mirror of https://github.com/lammps/lammps.git
1 Oct 06 release
git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@18 f3b2605a-c512-4ea7-a41b-209d697bcdaa
This commit is contained in:
parent
d66323cfcc
commit
5b1f5c520a
|
@ -13,7 +13,7 @@
|
|||
|
||||
<CENTER><H3>LAMMPS Documentation
|
||||
</H3></CENTER>
|
||||
<CENTER>(17 July 2006 version of LAMMPS)
|
||||
<CENTER>(1 Oct 2006 version of LAMMPS)
|
||||
</CENTER>
|
||||
<P>LAMMPS stands for Large-scale Atomic/Molecular Massively Parallel
|
||||
Simulator.
|
||||
|
@ -25,7 +25,7 @@ funding from the DOE. It is an open-source code, distributed freely
|
|||
under the terms of the GNU Public License (GPL).
|
||||
</P>
|
||||
<P>The developers of LAMMPS are <A HREF = "http://www.cs.sandia.gov/~sjplimp">Steve Plimpton</A>, Paul Crozier, and
|
||||
Aidan Thompson who can be contacted at "sjplimp, pscrozi, athomps at
|
||||
Aidan Thompson who can be contacted at sjplimp,pscrozi,athomps at
|
||||
sandia.gov. The <A HREF = "http://lammps.sandia.gov">LAMMPS WWW Site</A> at http://lammps.sandia.gov has
|
||||
more information about the code and its uses.
|
||||
</P>
|
||||
|
|
BIN
doc/Manual.pdf
BIN
doc/Manual.pdf
Binary file not shown.
|
@ -10,7 +10,7 @@
|
|||
|
||||
LAMMPS Documentation :c,h3
|
||||
|
||||
(17 July 2006 version of LAMMPS) :c
|
||||
(1 Oct 2006 version of LAMMPS) :c
|
||||
|
||||
LAMMPS stands for Large-scale Atomic/Molecular Massively Parallel
|
||||
Simulator.
|
||||
|
@ -22,7 +22,7 @@ funding from the DOE. It is an open-source code, distributed freely
|
|||
under the terms of the GNU Public License (GPL).
|
||||
|
||||
The developers of LAMMPS are "Steve Plimpton"_sjp, Paul Crozier, and
|
||||
Aidan Thompson who can be contacted at "sjplimp, pscrozi, athomps at
|
||||
Aidan Thompson who can be contacted at sjplimp,pscrozi,athomps at
|
||||
sandia.gov. The "LAMMPS WWW Site"_lws at http://lammps.sandia.gov has
|
||||
more information about the code and its uses.
|
||||
|
||||
|
|
|
@ -247,6 +247,11 @@ definitions.
|
|||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Another input script is already being processed</I>
|
||||
|
||||
<DD>Cannot attempt to open a 2nd input script, when the original file is
|
||||
still being processed.
|
||||
|
||||
<DT><I>Atom count is inconsistent, cannot write restart file</I>
|
||||
|
||||
<DD>Sum of atoms across processors does not equal initial total count.
|
||||
|
@ -284,11 +289,6 @@ been defined.
|
|||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Atom style granular must perform 3d simulations</I>
|
||||
|
||||
<DD>Atom style granular cannot be used with 2d simulations, because
|
||||
the pairwise potentials are inherently 3d.
|
||||
|
||||
<DT><I>Atom style hybrid cannot have hybrid as an argument</I>
|
||||
|
||||
<DD>Self-explanatory. Check the input script.
|
||||
|
@ -456,6 +456,11 @@ factor that partitions the computation between real space and k-space.
|
|||
<DD>Must use the lattice command before using the create_atoms
|
||||
command.
|
||||
|
||||
<DT><I>Cannot create an atom map unless atoms have IDs</I>
|
||||
|
||||
<DD>The simulation requires a mapping from global atom IDs to local atoms,
|
||||
but the atoms that have been defined have no IDs.
|
||||
|
||||
<DT><I>Cannot create_box after simulation box is defined</I>
|
||||
|
||||
<DD>The create_box command cannot be used after a read_data, read_restart,
|
||||
|
@ -465,10 +470,6 @@ or create_box command.
|
|||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Cannot create vels with loop all for non-contiguous atom IDs</I>
|
||||
|
||||
<DD>You cannot use the loop all option if you atom IDs do not span 1 to natoms
|
||||
|
||||
<DT><I>Cannot evaluate variable equal command</I>
|
||||
|
||||
<DD>Syntax or keyword names in mathematical expression are not
|
||||
|
@ -499,12 +500,19 @@ recognized.
|
|||
<DD>Volume can only be rescaled uniaxially if system is periodic in all 3
|
||||
dimensions.
|
||||
|
||||
<DT><I>Cannot invoke single() with pairwise TIP4P potential</I>
|
||||
<DT><I>Cannot have both pair_modify shift and tail set to yes</I>
|
||||
|
||||
<DD>Commands that invoke the single() function within pairwise potentials
|
||||
cannot be used with a TIP4P potential, due to the way it computes
|
||||
forces on other atoms besides the i,j pair. This includes the eng and
|
||||
stress tensor components for the dump custom command.
|
||||
<DD>These 2 options are contradictory.
|
||||
|
||||
<DT><I>Cannot open dir to search for restart file</I>
|
||||
|
||||
<DD>Using a "*" in the name of the restart file will open the current
|
||||
directory to search for matching file names.
|
||||
|
||||
<DT><I>Cannot open dump file</I>
|
||||
|
||||
<DD>The output file for the dump command cannot be opened. Check that the
|
||||
path and name are correct.
|
||||
|
||||
<DT><I>Cannot open EAM potential file %s</I>
|
||||
|
||||
|
@ -526,6 +534,10 @@ the path and name are correct.
|
|||
<DD>The output file for the fix gran/diag command cannot be opened. Check
|
||||
that the path and name are correct.
|
||||
|
||||
<DT><I>Cannot open fix gyration file %s</I>
|
||||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Cannot open fix msd file %s</I>
|
||||
|
||||
<DD>The output file for the fix msd command cannot be opened. Check that
|
||||
|
@ -551,6 +563,29 @@ the path and name are correct.
|
|||
<DD>LAMMPS is attempting to open a gzipped version of the specified file
|
||||
but was unsuccessful. Check that the path and name are correct.
|
||||
|
||||
<DT><I>Cannot open input script %s</I>
|
||||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Cannot open input script %s</I>
|
||||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Cannot open logfile</I>
|
||||
|
||||
<DD>The LAMMPS log file named in a command-line argument cannot be opened.
|
||||
Check that the path and name are correct.
|
||||
|
||||
<DT><I>Cannot open logfile %s</I>
|
||||
|
||||
<DD>The LAMMPS log file specified in the input script cannot be opened.
|
||||
Check that the path and name are correct.
|
||||
|
||||
<DT><I>Cannot open log.lammps</I>
|
||||
|
||||
<DD>The default LAMMPS log file cannot be opened. Check that the
|
||||
directory you are running in allows for files to be created.
|
||||
|
||||
<DT><I>Cannot open pair_write file</I>
|
||||
|
||||
<DD>The specified output file for pair energies and forces cannot be
|
||||
|
@ -558,8 +593,25 @@ opened. Check that the path and name are correct.
|
|||
|
||||
<DT><I>Cannot open restart file %s</I>
|
||||
|
||||
<DD>The output restart file cannot be opened. Check that the path and
|
||||
name are correct and that disk space is available.
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Cannot open screen file</I>
|
||||
|
||||
<DD>The screen file specified as a command-line argument cannot be
|
||||
opened. Check that the directory you are running in allows for files
|
||||
to be created.
|
||||
|
||||
<DT><I>Cannot open universe log file</I>
|
||||
|
||||
<DD>For a multi-partition run, the master log file cannot be opened.
|
||||
Check that the directory you are running in allows for files to be
|
||||
created.
|
||||
|
||||
<DT><I>Cannot open universe screen file</I>
|
||||
|
||||
<DD>For a multi-partition run, the master screen file cannot be opened.
|
||||
Check that the directory you are running in allows for files to be
|
||||
created.
|
||||
|
||||
<DT><I>Cannot read_data after simulation box is defined</I>
|
||||
|
||||
|
@ -621,14 +673,19 @@ Instead they are defined on a per-atom basis in the data file.
|
|||
<DD>In the rRESPA integrator, you must define both a inner and outer
|
||||
setting in order to use a middle setting.
|
||||
|
||||
<DT><I>Cannot set these values with this atom style</I>
|
||||
<DT><I>Cannot set this attribute for this atom style</I>
|
||||
|
||||
<DD>Choice of set style does not match attribute of atom style.
|
||||
<DD>The attribute being set does not exist for the defined atom style.
|
||||
|
||||
<DT><I>Cannot use atom style granular with chosen thermo settings</I>
|
||||
|
||||
<DD>Cannot output temperature or pressure with atom style granular.
|
||||
|
||||
<DT><I>Cannot use delete_atoms unless atoms have IDs</I>
|
||||
|
||||
<DD>Your atoms do not have IDs, so the delete_atoms command cannot be
|
||||
used.
|
||||
|
||||
<DT><I>Cannot use delete_bonds with non-molecular system</I>
|
||||
|
||||
<DD>Your choice of atom style does not have bonds.
|
||||
|
@ -646,6 +703,23 @@ setting in order to use a middle setting.
|
|||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Cannot use fix nph with no per-type mass defined</I>
|
||||
|
||||
<DD>The defined atom style uses per-atom mass, not per-type mass.
|
||||
|
||||
<DT><I>Cannot use fix npt with no per-type mass defined</I>
|
||||
|
||||
<DD>The defined atom style uses per-atom mass, not per-type mass.
|
||||
|
||||
<DT><I>Cannot zero momentum of 0 atoms</I>
|
||||
|
||||
<DD>The collection of atoms for which momentum is being computed has no
|
||||
atoms.
|
||||
|
||||
<DT><I>Cannot use fix nvt with no per-type mass defined</I>
|
||||
|
||||
<DD>The defined atom style uses per-atom mass, not per-type mass.
|
||||
|
||||
<DT><I>Cannot use fix poems with atom style granular</I>
|
||||
|
||||
<DD>This fix is not yet enabled for this atom style.
|
||||
|
@ -658,11 +732,6 @@ setting in order to use a middle setting.
|
|||
|
||||
<DD>Your choice of atom style does not have bonds.
|
||||
|
||||
<DT><I>Cannot use multiple long-range potentials with pair hybrid</I>
|
||||
|
||||
<DD>Only one sub-style potential with a long-range component can be
|
||||
used with pair_style hybrid.
|
||||
|
||||
<DT><I>Cannot use nonperiodic boundaries with Ewald</I>
|
||||
|
||||
<DD>For kspace style ewald, all 3 dimensions must have periodic boundaries
|
||||
|
@ -675,6 +744,10 @@ non-periodic z dimension.
|
|||
unless you use the kspace_modify command to define a 2d slab with a
|
||||
non-periodic z dimension.
|
||||
|
||||
<DT><I>Cannot use pair tail corrections with 2d simulations</I>
|
||||
|
||||
<DD>The correction factors are only currently defined for 3d systems.
|
||||
|
||||
<DT><I>Cannot use PPPM with 2d simulation</I>
|
||||
|
||||
<DD>The kspace style pppm cannot be used in 2d simulations. You can use
|
||||
|
@ -685,15 +758,26 @@ non-periodic z dimension.
|
|||
<DD>Regions that extend to the box boundaries can only be used after the
|
||||
create_box command has been used.
|
||||
|
||||
<DT><I>Cannot use rRESPA with full neighbor lists</I>
|
||||
|
||||
<DD>Defined pair style uses full neighbor lists (as opposed to
|
||||
half neighbor lists), which are incompatible with the current
|
||||
implementation of rRESPA.
|
||||
|
||||
<DT><I>Cannot use vectors in variables unless atom map exists</I>
|
||||
|
||||
<DD>Vectors require an atom map to be able to lookup the vector index.
|
||||
Only atom styles with molecular information creat a global map.
|
||||
|
||||
<DT><I>Cannot zero momentum for less than 2 atoms</I>
|
||||
<DT><I>Cannot use velocity create loop all unless atoms have IDs</I>
|
||||
|
||||
<DD>Velocity command is being used with momentum-zeroing options on a
|
||||
group with 0 or 1 atoms.
|
||||
<DD>Atoms in the simulation to do not have IDs, so this style
|
||||
of velocity creation cannot be performed.
|
||||
|
||||
<DT><I>Cannot use velocity create loop all with non-contiguous atom IDs</I>
|
||||
|
||||
<DD>Atoms in the simulation to do not have consecutive IDs, so this style
|
||||
of velocity creation cannot be performed.
|
||||
|
||||
<DT><I>Command-line variable already exists</I>
|
||||
|
||||
|
@ -732,14 +816,6 @@ more than once.
|
|||
|
||||
<DD>A group ID used in the fix command does not exist.
|
||||
|
||||
<DT><I>Could not find fix poems group ID</I>
|
||||
|
||||
<DD>A group ID used in the fix poems command does not exist.
|
||||
|
||||
<DT><I>Could not find fix rigid group ID</I>
|
||||
|
||||
<DD>A group ID used in the fix rigid command does not exist.
|
||||
|
||||
<DT><I>Could not find fix_modify ID</I>
|
||||
|
||||
<DD>A fix ID used in the fix_modify command does not exist.
|
||||
|
@ -748,9 +824,21 @@ more than once.
|
|||
|
||||
<DD>A temperature ID used in the fix_modify command does not exist.
|
||||
|
||||
<DT><I>Could not find fix spring vector group ID</I>
|
||||
<DT><I>Could not find fix poems group ID</I>
|
||||
|
||||
<DD>Group ID used with fix spring command does not exist.
|
||||
<DD>A group ID used in the fix poems command does not exist.
|
||||
|
||||
<DT><I>Could not find fix recenter group ID</I>
|
||||
|
||||
<DD>A group ID used in the fix recenter command does not exist.
|
||||
|
||||
<DT><I>Could not find fix rigid group ID</I>
|
||||
|
||||
<DD>A group ID used in the fix rigid command does not exist.
|
||||
|
||||
<DT><I>Could not find fix spring couple group ID</I>
|
||||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Could not find temp_modify ID</I>
|
||||
|
||||
|
@ -784,54 +872,6 @@ more than once.
|
|||
|
||||
<DD>A temperature ID used in the velocity command does not exist.
|
||||
|
||||
<DT><I>Could not open dump file</I>
|
||||
|
||||
<DD>The output file for the dump command cannot be opened. Check that the
|
||||
path and name are correct.
|
||||
|
||||
<DT><I>Could not open input script</I>
|
||||
|
||||
<DD>The input script file named in a command-line argument could not be
|
||||
opened.
|
||||
|
||||
<DT><I>Could not open log.lammps</I>
|
||||
|
||||
<DD>The default LAMMPS log file cannot be opened. Check that the
|
||||
directory you are running in allows for files to be created.
|
||||
|
||||
<DT><I>Could not open logfile</I>
|
||||
|
||||
<DD>The LAMMPS log file named in a command-line argument cannot be opened.
|
||||
Check that the path and name are correct.
|
||||
|
||||
<DT><I>Could not open logfile %s</I>
|
||||
|
||||
<DD>The LAMMPS log file specified in the input script cannot be opened.
|
||||
Check that the path and name are correct.
|
||||
|
||||
<DT><I>Could not open new input file %s</I>
|
||||
|
||||
<DD>The input script file named in an include or jump command could not be
|
||||
opened. Check that the path and name are correct.
|
||||
|
||||
<DT><I>Could not open screen file</I>
|
||||
|
||||
<DD>The screen file specified as a command-line argument cannot be
|
||||
opened. Check that the directory you are running in allows for files
|
||||
to be created.
|
||||
|
||||
<DT><I>Could not open universe log file</I>
|
||||
|
||||
<DD>For a multi-partition run, the master log file cannot be opened.
|
||||
Check that the directory you are running in allows for files to be
|
||||
created.
|
||||
|
||||
<DT><I>Could not open universe screen file</I>
|
||||
|
||||
<DD>For a multi-partition run, the master screen file cannot be opened.
|
||||
Check that the directory you are running in allows for files to be
|
||||
created.
|
||||
|
||||
<DT><I>Create_atoms command before simulation box is defined</I>
|
||||
|
||||
<DD>The create_atoms command cannot be used before a read_data,
|
||||
|
@ -1015,6 +1055,14 @@ create_box command.
|
|||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Fix msd group has no atoms</I>
|
||||
|
||||
<DD>Cannot compute diffusion for no atoms.
|
||||
|
||||
<DT><I>Fix momentum group has no atoms</I>
|
||||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Fix nph periods must be > 0.0</I>
|
||||
|
||||
<DD>The time window for pressure relaxation must be > 0
|
||||
|
@ -1047,6 +1095,10 @@ error occurs, it is likely a bug, so send an email to the
|
|||
<DD>Cannot use the rdf fix unless a pair style with a cutoff has been
|
||||
defined.
|
||||
|
||||
<DT><I>Fix recenter group has no atoms</I>
|
||||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Fix temp/rescale region ID does not exist</I>
|
||||
|
||||
<DD>Self-explanatory.
|
||||
|
@ -1061,13 +1113,21 @@ details.
|
|||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Found no restart file matching pattern</I>
|
||||
|
||||
<DD>When using a "*" in the restart file name, no matching file was found.
|
||||
|
||||
<DT><I>Granular pair styles do not use pair_coeff settings</I>
|
||||
|
||||
<DD>The pair_coeff command cannot be used with granular force fields.
|
||||
|
||||
<DT><I>Gravity must point in -z to use with fix insert</I>
|
||||
<DT><I>Gravity must point in -y to use with fix insert in 2d</I>
|
||||
|
||||
<DD>The fix insert command assumes the theta angle for gravity is 180.0.
|
||||
<DD>Gravity must be pointing "down" in a 2d box.
|
||||
|
||||
<DT><I>Gravity must point in -z to use with fix insert in 3d</I>
|
||||
|
||||
<DD>Gravity must be pointing "down" in a 3d box, i.e. theta = 180.0.
|
||||
|
||||
<DT><I>Group command before simulation box is defined</I>
|
||||
|
||||
|
@ -1085,7 +1145,9 @@ create_box command.
|
|||
<DT><I>Illegal ... command</I>
|
||||
|
||||
<DD>Self-explanatory. Check the input script syntax and compare to the
|
||||
documentation for the command.
|
||||
documentation for the command. You can use -echo screen as a
|
||||
command-line option when running LAMMPS to see what is the offending
|
||||
line.
|
||||
|
||||
<DT><I>Improper atoms %d %d %d %d missing on proc %d at step %d</I>
|
||||
|
||||
|
@ -1218,11 +1280,6 @@ simulation box.
|
|||
|
||||
<DD>Eigensolve for rigid body was not sufficiently accurate.
|
||||
|
||||
<DT><I>Invalid $ variable</I>
|
||||
|
||||
<DD>The character following a $ in the input script is not between "a" and
|
||||
"z".
|
||||
|
||||
<DT><I>Invalid angle style</I>
|
||||
|
||||
<DD>The choice of angle style is unknown.
|
||||
|
@ -1531,17 +1588,13 @@ types.
|
|||
<DD>Type used in set command must be from 1-N where N is the number
|
||||
of atom types (bond types, angle types, etc).
|
||||
|
||||
<DT><I>Invalid variable in command-line argument</I>
|
||||
|
||||
<DD>Command-line arg -var must set a variable from "a" to "z".
|
||||
|
||||
<DT><I>Invalid variable in next command</I>
|
||||
|
||||
<DD>Next command in input script must set variables from "a" to "z".
|
||||
|
||||
<DT><I>Invalid variable in variable command</I>
|
||||
<DT><I>Invalid variable name</I>
|
||||
|
||||
<DD>Variable command in input script must set a variable from "a" to "z".
|
||||
<DD>Variable name used in an input script line is invalid.
|
||||
|
||||
<DT><I>Invalid variable style with next command</I>
|
||||
|
||||
|
@ -1552,6 +1605,12 @@ command.
|
|||
|
||||
<DD>One or more vector names are not recognized.
|
||||
|
||||
<DT><I>Invoked pair single on pair style none</I>
|
||||
|
||||
<DD>A command (e.g. a dump) attempted to invoke the single() function on a
|
||||
pair style none, which is illegal. You are probably attempting to
|
||||
compute per-atom quantities with an undefined pair style.
|
||||
|
||||
<DT><I>KSpace style has not yet been set</I>
|
||||
|
||||
<DD>Cannot use kspace_modify command until a kspace style is set.
|
||||
|
@ -1707,15 +1766,14 @@ other.
|
|||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Must use -in switch with multiple partitions</I>
|
||||
|
||||
<DD>A multi-partition simulation cannot read the input script from stdin.
|
||||
The -in command-line option must be used to specify a file.
|
||||
|
||||
<DT><I>Must use a block or cylinder region with fix insert</I>
|
||||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Must use a block region with fix insert for 2d simulations</I>
|
||||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Must use a molecular atom style with fix poems molecule</I>
|
||||
|
||||
<DD>Self-explanatory.
|
||||
|
@ -1724,9 +1782,10 @@ The -in command-line option must be used to specify a file.
|
|||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Must use molecular atom style with neigh_modify exclude molecule</I>
|
||||
<DT><I>Must use atom style dipole with chosen thermo settings</I>
|
||||
|
||||
<DD>Self-explanatory.
|
||||
<DD>A thermo quantity being printed can only be computed if the atom
|
||||
style includes dipole quantities.
|
||||
|
||||
<DT><I>Must use a z-axis cylinder with fix insert</I>
|
||||
|
||||
|
@ -1737,10 +1796,6 @@ be oriented along the z dimension.
|
|||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Must use atom style granular with lj units</I>
|
||||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Must use atom style granular with pair style granular</I>
|
||||
|
||||
<DD>Self-explanatory.
|
||||
|
@ -1806,11 +1861,18 @@ gravity.
|
|||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Must use newton pairwise on with TIP4P potential</I>
|
||||
<DT><I>Must use -in switch with multiple partitions</I>
|
||||
|
||||
<DD>Use of a TIP4P pair potential requires the newton command setting for
|
||||
pairwise interactions be "on", because of the way forces are computed
|
||||
on other atoms due to TIP4P interactions.
|
||||
<DD>A multi-partition simulation cannot read the input script from stdin.
|
||||
The -in command-line option must be used to specify a file.
|
||||
|
||||
<DT><I>Must use lj units with atom style granular</I>
|
||||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Must use molecular atom style with neigh_modify exclude molecule</I>
|
||||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Must use region with side = in with fix insert</I>
|
||||
|
||||
|
@ -1852,10 +1914,6 @@ after a read_data, read_restart, or create_box command.
|
|||
<DD>The header of the data file indicated that atoms would be included,
|
||||
but they were not present.
|
||||
|
||||
<DT><I>No atoms to compute diffusion for</I>
|
||||
|
||||
<DD>The fix msd command has no atoms to compute on.
|
||||
|
||||
<DT><I>No bonds allowed with this atom style</I>
|
||||
|
||||
<DD>Self-explanatory. Check data file.
|
||||
|
@ -1915,10 +1973,6 @@ an atom has moved to far in a single timestep.
|
|||
|
||||
<DD>Two atoms are further apart than the pairwise table allows.
|
||||
|
||||
<DT><I>Pair style must be defined to use bond style quartic</I>
|
||||
|
||||
<DD>Bond style quartic requires a pair style be defined.
|
||||
|
||||
<DT><I>Pair table parameters did not set N</I>
|
||||
|
||||
<DD>List of pair table parameters must include N setting.
|
||||
|
@ -1948,15 +2002,6 @@ kspace_modify command will reduce the stencil distance.
|
|||
<DD>One or more pairwise cutoffs are too short to use with the specified
|
||||
rRESPA cutoffs.
|
||||
|
||||
<DT><I>Pair style hybrid cannot have hybrid as an argument</I>
|
||||
|
||||
<DD>Self-explanatory. Check the input script.
|
||||
|
||||
<DT><I>Pair style hybrid cannot use same pair style twice</I>
|
||||
|
||||
<DD>The sub-style arguments of pair_style hybrid cannot be duplicated.
|
||||
Check the input script.
|
||||
|
||||
<DT><I>Pair inner cutoff < Respa interior cutoff</I>
|
||||
|
||||
<DD>One or more pairwise cutoffs are too short to use with the specified
|
||||
|
@ -1966,6 +2011,45 @@ rRESPA cutoffs.
|
|||
|
||||
<DD>The specified cutoffs for the pair style are inconsistent.
|
||||
|
||||
<DT><I>Pair style does not support bond_style quartic</I>
|
||||
|
||||
<DD>The pair style does not have a single() function, so it can
|
||||
not be invoked by bond_style quartic.
|
||||
|
||||
<DT><I>Pair style does not support dumping per-atom energy</I>
|
||||
|
||||
<DD>The pair style does not have a single() function, so it can not be
|
||||
invoked by the dump command.
|
||||
|
||||
<DT><I>Pair style does not support dumping per-atom stress</I>
|
||||
|
||||
<DD>The pair style does not have a single() function, so it can not be
|
||||
invoked by the dump command.
|
||||
|
||||
<DT><I>Pair style does not support pair_write</I>
|
||||
|
||||
<DD>The pair style does not have a single() function, so it can
|
||||
not be invoked by the pair_write command.
|
||||
|
||||
<DT><I>Pair style does not support rRESPA inner/middle/outer</I>
|
||||
|
||||
<DD>You are attempting to use rRESPA options with a pair style that
|
||||
does not support them.
|
||||
|
||||
<DT><I>Pair style granular with history requires atoms have IDs</I>
|
||||
|
||||
<DD>Atoms in the simulation do not have IDs, so history effects
|
||||
cannot be tracked by the granular pair potential.
|
||||
|
||||
<DT><I>Pair style hybrid cannot have hybrid as an argument</I>
|
||||
|
||||
<DD>Self-explanatory. Check the input script.
|
||||
|
||||
<DT><I>Pair style hybrid cannot use same pair style twice</I>
|
||||
|
||||
<DD>The sub-style arguments of pair_style hybrid cannot be duplicated.
|
||||
Check the input script.
|
||||
|
||||
<DT><I>Pair style is incompatible with DihedralCharmm</I>
|
||||
|
||||
<DD>When using a dihedral style charmm, a pair style with a CHARMM
|
||||
|
@ -1977,6 +2061,16 @@ specified.
|
|||
<DD>If a pair style with a long-range Coulombic component is selected,
|
||||
then a kspace style must also be used.
|
||||
|
||||
<DT><I>Pair style lj/cut/coul/long/tip4p requires atom IDs</I>
|
||||
|
||||
<DD>There are no atom IDs defined in the system and the TIP4P potential
|
||||
requires them to find O,H atoms with a water molecule.
|
||||
|
||||
<DT><I>Pair style lj/cut/coul/long/tip4p requires newton pair on</I>
|
||||
|
||||
<DD>This is because the computation of constraint forces within a water
|
||||
molecule adds forces to atoms owned by other processors.
|
||||
|
||||
<DT><I>Pair table cutoffs must all be equal to use with KSpace</I>
|
||||
|
||||
<DD>When using pair style table with a long-range KSpace solver, the
|
||||
|
@ -1996,6 +2090,10 @@ read_restart, or create_box command.
|
|||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Pair_style granular command before simulation box is defined</I>
|
||||
|
||||
<DD>This pair style cannot be used before a simulation box is defined.
|
||||
|
||||
<DT><I>Pair_write command before pair_style is defined</I>
|
||||
|
||||
<DD>Self-explanatory.
|
||||
|
@ -2071,11 +2169,6 @@ types in setfl potential file.
|
|||
|
||||
<DD>The first cutoff must be <= the second cutoff.
|
||||
|
||||
<DT><I>Respa inner/middle/outer used with invalid pair style</I>
|
||||
|
||||
<DD>Only a few pair potentials support the use of respa inner, middle,
|
||||
outer options.
|
||||
|
||||
<DT><I>Respa levels must be >= 1</I>
|
||||
|
||||
<DD>Self-explanatory.
|
||||
|
@ -2117,6 +2210,18 @@ incorrect.
|
|||
<DD>The run command cannot be used before a read_data, read_restart, or
|
||||
create_box command.
|
||||
|
||||
<DT><I>Run command upto value is before current timestep</I>
|
||||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Run command start value is after start of run</I>
|
||||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Run command stop value is before end of run</I>
|
||||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Run_style command before simulation box is defined</I>
|
||||
|
||||
<DD>The run_style command cannot be used before a read_data,
|
||||
|
@ -2180,6 +2285,14 @@ SHAKE fix contribution to the pressure virial is incorrect.
|
|||
<DD>The variable specified with a $ symbol in an input script command has
|
||||
not been previously defined with a variable command.
|
||||
|
||||
<DT><I>Target T for fix nvt cannot be 0.0</I>
|
||||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Target T for fix npt cannot be 0.0</I>
|
||||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Temperature region ID does not exist</I>
|
||||
|
||||
<DD>The region ID specified in the temperature command does not exist.
|
||||
|
@ -2232,9 +2345,11 @@ within a water molecule.
|
|||
<DD>The target file for the fix tmd command did not list all atoms in the
|
||||
fix group.
|
||||
|
||||
<DT><I>Too big a problem to run with a molecular atom style</I>
|
||||
<DT><I>Too big a problem to replicate with molecular atom style</I>
|
||||
|
||||
<DD>Cannot run a problem with > 2^31 atoms with molecular attributes.
|
||||
<DD>Molecular problems cannot become bigger than 2^31 atoms (or bonds,
|
||||
etc) when replicated, else the atom IDs and other quantities cannot be
|
||||
stored in 32 bit quantities.
|
||||
|
||||
<DT><I>Too few bits for lookup table</I>
|
||||
|
||||
|
@ -2246,20 +2361,6 @@ machine's floating point representation.
|
|||
<DD>The atoms to be created by the create_atoms command must have a valid
|
||||
type.
|
||||
|
||||
<DT><I>Too many atoms in data file</I>
|
||||
|
||||
<DD>A data file cannot contain more than 2^31 atoms.
|
||||
|
||||
<DT><I>Too many atoms to use delete atoms command</I>
|
||||
|
||||
<DD>Cannot use delete_atoms command if number of atoms is greater than
|
||||
2^31.
|
||||
|
||||
<DT><I>Too many atoms to use velocity create with loop all</I>
|
||||
|
||||
<DD>Cannot use velocity create command with loop all setting if number of
|
||||
atoms is greater than 2^31. Switch to local or geom setting.
|
||||
|
||||
<DT><I>Too many exponent bits for lookup table</I>
|
||||
|
||||
<DD>Table size specified via pair_modify command does not work with your
|
||||
|
@ -2372,6 +2473,10 @@ definition until the simulation box has been defined.
|
|||
<DD>Cannot use thermodynamic keywords in a equal style variable definition
|
||||
until a simulation run has been performed.
|
||||
|
||||
<DT><I>Variable equal group ID does not exist</I>
|
||||
|
||||
<DD>Self-explanatory.
|
||||
|
||||
<DT><I>Velocity command before simulation box is defined</I>
|
||||
|
||||
<DD>The velocity command cannot be used before a read_data, read_restart,
|
||||
|
@ -2411,6 +2516,11 @@ will be truncated to attempt to prevent the bond from blowing up.
|
|||
<DD>A FENE bond has stretched dangerously far. It's interaction strength
|
||||
will be truncated to attempt to prevent the bond from blowing up.
|
||||
|
||||
<DT><I>Fix recenter should come after all other integration fixes</I>
|
||||
|
||||
<DD>Other fixes may change the position of the center-of-mass, so
|
||||
fix recenter should come last.
|
||||
|
||||
<DT><I>Group for fix_modify temp != fix group</I>
|
||||
|
||||
<DD>The fix_modify command is specifying a temperature computation that
|
||||
|
@ -2647,6 +2757,12 @@ style region. Since thermo computes a global pressure, the kinetic
|
|||
energy contribution from the temperature is assumed to also be for all
|
||||
atoms. Thus the pressure printed by thermo could be inaccurate.
|
||||
|
||||
<DT><I>Using pair tail corrections with nonperiodic system</I>
|
||||
|
||||
<DD>This is probably a bogus thing to do, since tail corrections are
|
||||
computed by integrating the density of a periodic system out to
|
||||
infinity.
|
||||
|
||||
<DT><I>Using variable equal keyword with non-current thermo</I>
|
||||
|
||||
<DD>The variable expression is being evaluated with a thermodynamic
|
||||
|
|
|
@ -244,6 +244,11 @@ Self-explanatory. :dd
|
|||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Another input script is already being processed} :dt
|
||||
|
||||
Cannot attempt to open a 2nd input script, when the original file is
|
||||
still being processed. :dd
|
||||
|
||||
{Atom count is inconsistent, cannot write restart file} :dt
|
||||
|
||||
Sum of atoms across processors does not equal initial total count.
|
||||
|
@ -281,11 +286,6 @@ been defined. :dd
|
|||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Atom style granular must perform 3d simulations} :dt
|
||||
|
||||
Atom style granular cannot be used with 2d simulations, because
|
||||
the pairwise potentials are inherently 3d. :dd
|
||||
|
||||
{Atom style hybrid cannot have hybrid as an argument} :dt
|
||||
|
||||
Self-explanatory. Check the input script. :dd
|
||||
|
@ -453,6 +453,11 @@ LAMMPS failed to compute a valid PPPM grid spacing in the z dimension. :dd
|
|||
Must use the lattice command before using the create_atoms
|
||||
command. :dd
|
||||
|
||||
{Cannot create an atom map unless atoms have IDs} :dt
|
||||
|
||||
The simulation requires a mapping from global atom IDs to local atoms,
|
||||
but the atoms that have been defined have no IDs. :dd
|
||||
|
||||
{Cannot create_box after simulation box is defined} :dt
|
||||
|
||||
The create_box command cannot be used after a read_data, read_restart,
|
||||
|
@ -462,10 +467,6 @@ or create_box command. :dd
|
|||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Cannot create vels with loop all for non-contiguous atom IDs} :dt
|
||||
|
||||
You cannot use the loop all option if you atom IDs do not span 1 to natoms :dd
|
||||
|
||||
{Cannot evaluate variable equal command} :dt
|
||||
|
||||
Syntax or keyword names in mathematical expression are not
|
||||
|
@ -496,12 +497,19 @@ Volume can only be rescaled on a dimension that is periodic. :dd
|
|||
Volume can only be rescaled uniaxially if system is periodic in all 3
|
||||
dimensions. :dd
|
||||
|
||||
{Cannot invoke single() with pairwise TIP4P potential} :dt
|
||||
{Cannot have both pair_modify shift and tail set to yes} :dt
|
||||
|
||||
Commands that invoke the single() function within pairwise potentials
|
||||
cannot be used with a TIP4P potential, due to the way it computes
|
||||
forces on other atoms besides the i,j pair. This includes the eng and
|
||||
stress tensor components for the dump custom command. :dd
|
||||
These 2 options are contradictory. :dd
|
||||
|
||||
{Cannot open dir to search for restart file} :dt
|
||||
|
||||
Using a "*" in the name of the restart file will open the current
|
||||
directory to search for matching file names. :dd
|
||||
|
||||
{Cannot open dump file} :dt
|
||||
|
||||
The output file for the dump command cannot be opened. Check that the
|
||||
path and name are correct. :dd
|
||||
|
||||
{Cannot open EAM potential file %s} :dt
|
||||
|
||||
|
@ -523,6 +531,10 @@ the path and name are correct. :dd
|
|||
The output file for the fix gran/diag command cannot be opened. Check
|
||||
that the path and name are correct. :dd
|
||||
|
||||
{Cannot open fix gyration file %s} :dt
|
||||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Cannot open fix msd file %s} :dt
|
||||
|
||||
The output file for the fix msd command cannot be opened. Check that
|
||||
|
@ -548,6 +560,29 @@ the path and name are correct. :dd
|
|||
LAMMPS is attempting to open a gzipped version of the specified file
|
||||
but was unsuccessful. Check that the path and name are correct. :dd
|
||||
|
||||
{Cannot open input script %s} :dt
|
||||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Cannot open input script %s} :dt
|
||||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Cannot open logfile} :dt
|
||||
|
||||
The LAMMPS log file named in a command-line argument cannot be opened.
|
||||
Check that the path and name are correct. :dd
|
||||
|
||||
{Cannot open logfile %s} :dt
|
||||
|
||||
The LAMMPS log file specified in the input script cannot be opened.
|
||||
Check that the path and name are correct. :dd
|
||||
|
||||
{Cannot open log.lammps} :dt
|
||||
|
||||
The default LAMMPS log file cannot be opened. Check that the
|
||||
directory you are running in allows for files to be created. :dd
|
||||
|
||||
{Cannot open pair_write file} :dt
|
||||
|
||||
The specified output file for pair energies and forces cannot be
|
||||
|
@ -555,8 +590,25 @@ opened. Check that the path and name are correct. :dd
|
|||
|
||||
{Cannot open restart file %s} :dt
|
||||
|
||||
The output restart file cannot be opened. Check that the path and
|
||||
name are correct and that disk space is available. :dd
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Cannot open screen file} :dt
|
||||
|
||||
The screen file specified as a command-line argument cannot be
|
||||
opened. Check that the directory you are running in allows for files
|
||||
to be created. :dd
|
||||
|
||||
{Cannot open universe log file} :dt
|
||||
|
||||
For a multi-partition run, the master log file cannot be opened.
|
||||
Check that the directory you are running in allows for files to be
|
||||
created. :dd
|
||||
|
||||
{Cannot open universe screen file} :dt
|
||||
|
||||
For a multi-partition run, the master screen file cannot be opened.
|
||||
Check that the directory you are running in allows for files to be
|
||||
created. :dd
|
||||
|
||||
{Cannot read_data after simulation box is defined} :dt
|
||||
|
||||
|
@ -618,14 +670,19 @@ Instead they are defined on a per-atom basis in the data file. :dd
|
|||
In the rRESPA integrator, you must define both a inner and outer
|
||||
setting in order to use a middle setting. :dd
|
||||
|
||||
{Cannot set these values with this atom style} :dt
|
||||
{Cannot set this attribute for this atom style} :dt
|
||||
|
||||
Choice of set style does not match attribute of atom style. :dd
|
||||
The attribute being set does not exist for the defined atom style. :dd
|
||||
|
||||
{Cannot use atom style granular with chosen thermo settings} :dt
|
||||
|
||||
Cannot output temperature or pressure with atom style granular. :dd
|
||||
|
||||
{Cannot use delete_atoms unless atoms have IDs} :dt
|
||||
|
||||
Your atoms do not have IDs, so the delete_atoms command cannot be
|
||||
used. :dd
|
||||
|
||||
{Cannot use delete_bonds with non-molecular system} :dt
|
||||
|
||||
Your choice of atom style does not have bonds. :dd
|
||||
|
@ -643,6 +700,23 @@ The kspace style ewald cannot be used in 2d simulations. You can use
|
|||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Cannot use fix nph with no per-type mass defined} :dt
|
||||
|
||||
The defined atom style uses per-atom mass, not per-type mass. :dd
|
||||
|
||||
{Cannot use fix npt with no per-type mass defined} :dt
|
||||
|
||||
The defined atom style uses per-atom mass, not per-type mass. :dd
|
||||
|
||||
{Cannot zero momentum of 0 atoms} :dt
|
||||
|
||||
The collection of atoms for which momentum is being computed has no
|
||||
atoms. :dd
|
||||
|
||||
{Cannot use fix nvt with no per-type mass defined} :dt
|
||||
|
||||
The defined atom style uses per-atom mass, not per-type mass. :dd
|
||||
|
||||
{Cannot use fix poems with atom style granular} :dt
|
||||
|
||||
This fix is not yet enabled for this atom style. :dd
|
||||
|
@ -655,11 +729,6 @@ This fix is not yet enabled for this atom style. :dd
|
|||
|
||||
Your choice of atom style does not have bonds. :dd
|
||||
|
||||
{Cannot use multiple long-range potentials with pair hybrid} :dt
|
||||
|
||||
Only one sub-style potential with a long-range component can be
|
||||
used with pair_style hybrid. :dd
|
||||
|
||||
{Cannot use nonperiodic boundaries with Ewald} :dt
|
||||
|
||||
For kspace style ewald, all 3 dimensions must have periodic boundaries
|
||||
|
@ -672,6 +741,10 @@ For kspace style pppm, All 3 dimensions must have periodic boundaries
|
|||
unless you use the kspace_modify command to define a 2d slab with a
|
||||
non-periodic z dimension. :dd
|
||||
|
||||
{Cannot use pair tail corrections with 2d simulations} :dt
|
||||
|
||||
The correction factors are only currently defined for 3d systems. :dd
|
||||
|
||||
{Cannot use PPPM with 2d simulation} :dt
|
||||
|
||||
The kspace style pppm cannot be used in 2d simulations. You can use
|
||||
|
@ -682,15 +755,26 @@ The kspace style pppm cannot be used in 2d simulations. You can use
|
|||
Regions that extend to the box boundaries can only be used after the
|
||||
create_box command has been used. :dd
|
||||
|
||||
{Cannot use rRESPA with full neighbor lists} :dt
|
||||
|
||||
Defined pair style uses full neighbor lists (as opposed to
|
||||
half neighbor lists), which are incompatible with the current
|
||||
implementation of rRESPA. :dd
|
||||
|
||||
{Cannot use vectors in variables unless atom map exists} :dt
|
||||
|
||||
Vectors require an atom map to be able to lookup the vector index.
|
||||
Only atom styles with molecular information creat a global map. :dd
|
||||
|
||||
{Cannot zero momentum for less than 2 atoms} :dt
|
||||
|
||||
Velocity command is being used with momentum-zeroing options on a
|
||||
group with 0 or 1 atoms. :dd
|
||||
{Cannot use velocity create loop all unless atoms have IDs} :dt
|
||||
|
||||
Atoms in the simulation to do not have IDs, so this style
|
||||
of velocity creation cannot be performed. :dd
|
||||
|
||||
{Cannot use velocity create loop all with non-contiguous atom IDs} :dt
|
||||
|
||||
Atoms in the simulation to do not have consecutive IDs, so this style
|
||||
of velocity creation cannot be performed. :dd
|
||||
|
||||
{Command-line variable already exists} :dt
|
||||
|
||||
|
@ -729,14 +813,6 @@ A group ID used in the dump command does not exist. :dd
|
|||
|
||||
A group ID used in the fix command does not exist. :dd
|
||||
|
||||
{Could not find fix poems group ID} :dt
|
||||
|
||||
A group ID used in the fix poems command does not exist. :dd
|
||||
|
||||
{Could not find fix rigid group ID} :dt
|
||||
|
||||
A group ID used in the fix rigid command does not exist. :dd
|
||||
|
||||
{Could not find fix_modify ID} :dt
|
||||
|
||||
A fix ID used in the fix_modify command does not exist. :dd
|
||||
|
@ -745,9 +821,21 @@ A fix ID used in the fix_modify command does not exist. :dd
|
|||
|
||||
A temperature ID used in the fix_modify command does not exist. :dd
|
||||
|
||||
{Could not find fix spring vector group ID} :dt
|
||||
{Could not find fix poems group ID} :dt
|
||||
|
||||
Group ID used with fix spring command does not exist. :dd
|
||||
A group ID used in the fix poems command does not exist. :dd
|
||||
|
||||
{Could not find fix recenter group ID} :dt
|
||||
|
||||
A group ID used in the fix recenter command does not exist. :dd
|
||||
|
||||
{Could not find fix rigid group ID} :dt
|
||||
|
||||
A group ID used in the fix rigid command does not exist. :dd
|
||||
|
||||
{Could not find fix spring couple group ID} :dt
|
||||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Could not find temp_modify ID} :dt
|
||||
|
||||
|
@ -781,54 +869,6 @@ A group ID used in the velocity command does not exist. :dd
|
|||
|
||||
A temperature ID used in the velocity command does not exist. :dd
|
||||
|
||||
{Could not open dump file} :dt
|
||||
|
||||
The output file for the dump command cannot be opened. Check that the
|
||||
path and name are correct. :dd
|
||||
|
||||
{Could not open input script} :dt
|
||||
|
||||
The input script file named in a command-line argument could not be
|
||||
opened. :dd
|
||||
|
||||
{Could not open log.lammps} :dt
|
||||
|
||||
The default LAMMPS log file cannot be opened. Check that the
|
||||
directory you are running in allows for files to be created. :dd
|
||||
|
||||
{Could not open logfile} :dt
|
||||
|
||||
The LAMMPS log file named in a command-line argument cannot be opened.
|
||||
Check that the path and name are correct. :dd
|
||||
|
||||
{Could not open logfile %s} :dt
|
||||
|
||||
The LAMMPS log file specified in the input script cannot be opened.
|
||||
Check that the path and name are correct. :dd
|
||||
|
||||
{Could not open new input file %s} :dt
|
||||
|
||||
The input script file named in an include or jump command could not be
|
||||
opened. Check that the path and name are correct. :dd
|
||||
|
||||
{Could not open screen file} :dt
|
||||
|
||||
The screen file specified as a command-line argument cannot be
|
||||
opened. Check that the directory you are running in allows for files
|
||||
to be created. :dd
|
||||
|
||||
{Could not open universe log file} :dt
|
||||
|
||||
For a multi-partition run, the master log file cannot be opened.
|
||||
Check that the directory you are running in allows for files to be
|
||||
created. :dd
|
||||
|
||||
{Could not open universe screen file} :dt
|
||||
|
||||
For a multi-partition run, the master screen file cannot be opened.
|
||||
Check that the directory you are running in allows for files to be
|
||||
created. :dd
|
||||
|
||||
{Create_atoms command before simulation box is defined} :dt
|
||||
|
||||
The create_atoms command cannot be used before a read_data,
|
||||
|
@ -1012,6 +1052,14 @@ The time window for temperature relaxation must be > 0 :dd
|
|||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Fix msd group has no atoms} :dt
|
||||
|
||||
Cannot compute diffusion for no atoms. :dd
|
||||
|
||||
{Fix momentum group has no atoms} :dt
|
||||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Fix nph periods must be > 0.0} :dt
|
||||
|
||||
The time window for pressure relaxation must be > 0 :dd
|
||||
|
@ -1044,6 +1092,10 @@ error occurs, it is likely a bug, so send an email to the
|
|||
Cannot use the rdf fix unless a pair style with a cutoff has been
|
||||
defined. :dd
|
||||
|
||||
{Fix recenter group has no atoms} :dt
|
||||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Fix temp/rescale region ID does not exist} :dt
|
||||
|
||||
Self-explanatory. :dd
|
||||
|
@ -1058,13 +1110,21 @@ details. :dd
|
|||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Found no restart file matching pattern} :dt
|
||||
|
||||
When using a "*" in the restart file name, no matching file was found. :dd
|
||||
|
||||
{Granular pair styles do not use pair_coeff settings} :dt
|
||||
|
||||
The pair_coeff command cannot be used with granular force fields. :dd
|
||||
|
||||
{Gravity must point in -z to use with fix insert} :dt
|
||||
{Gravity must point in -y to use with fix insert in 2d} :dt
|
||||
|
||||
The fix insert command assumes the theta angle for gravity is 180.0. :dd
|
||||
Gravity must be pointing "down" in a 2d box. :dd
|
||||
|
||||
{Gravity must point in -z to use with fix insert in 3d} :dt
|
||||
|
||||
Gravity must be pointing "down" in a 3d box, i.e. theta = 180.0. :dd
|
||||
|
||||
{Group command before simulation box is defined} :dt
|
||||
|
||||
|
@ -1082,7 +1142,9 @@ A region ID used in the group command does not exist. :dd
|
|||
{Illegal ... command} :dt
|
||||
|
||||
Self-explanatory. Check the input script syntax and compare to the
|
||||
documentation for the command. :dd
|
||||
documentation for the command. You can use -echo screen as a
|
||||
command-line option when running LAMMPS to see what is the offending
|
||||
line. :dd
|
||||
|
||||
{Improper atoms %d %d %d %d missing on proc %d at step %d} :dt
|
||||
|
||||
|
@ -1215,11 +1277,6 @@ Eigensolve for rigid body was not sufficiently accurate. :dd
|
|||
|
||||
Eigensolve for rigid body was not sufficiently accurate. :dd
|
||||
|
||||
{Invalid $ variable} :dt
|
||||
|
||||
The character following a $ in the input script is not between "a" and
|
||||
"z". :dd
|
||||
|
||||
{Invalid angle style} :dt
|
||||
|
||||
The choice of angle style is unknown. :dd
|
||||
|
@ -1528,17 +1585,13 @@ types. :dd
|
|||
Type used in set command must be from 1-N where N is the number
|
||||
of atom types (bond types, angle types, etc). :dd
|
||||
|
||||
{Invalid variable in command-line argument} :dt
|
||||
|
||||
Command-line arg -var must set a variable from "a" to "z". :dd
|
||||
|
||||
{Invalid variable in next command} :dt
|
||||
|
||||
Next command in input script must set variables from "a" to "z". :dd
|
||||
|
||||
{Invalid variable in variable command} :dt
|
||||
{Invalid variable name} :dt
|
||||
|
||||
Variable command in input script must set a variable from "a" to "z". :dd
|
||||
Variable name used in an input script line is invalid. :dd
|
||||
|
||||
{Invalid variable style with next command} :dt
|
||||
|
||||
|
@ -1549,6 +1602,12 @@ command. :dd
|
|||
|
||||
One or more vector names are not recognized. :dd
|
||||
|
||||
{Invoked pair single on pair style none} :dt
|
||||
|
||||
A command (e.g. a dump) attempted to invoke the single() function on a
|
||||
pair style none, which is illegal. You are probably attempting to
|
||||
compute per-atom quantities with an undefined pair style. :dd
|
||||
|
||||
{KSpace style has not yet been set} :dt
|
||||
|
||||
Cannot use kspace_modify command until a kspace style is set. :dd
|
||||
|
@ -1704,15 +1763,14 @@ other. :dd
|
|||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Must use -in switch with multiple partitions} :dt
|
||||
|
||||
A multi-partition simulation cannot read the input script from stdin.
|
||||
The -in command-line option must be used to specify a file. :dd
|
||||
|
||||
{Must use a block or cylinder region with fix insert} :dt
|
||||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Must use a block region with fix insert for 2d simulations} :dt
|
||||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Must use a molecular atom style with fix poems molecule} :dt
|
||||
|
||||
Self-explanatory. :dd
|
||||
|
@ -1721,9 +1779,10 @@ Self-explanatory. :dd
|
|||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Must use molecular atom style with neigh_modify exclude molecule} :dt
|
||||
{Must use atom style dipole with chosen thermo settings} :dt
|
||||
|
||||
Self-explanatory. :dd
|
||||
A thermo quantity being printed can only be computed if the atom
|
||||
style includes dipole quantities. :dd
|
||||
|
||||
{Must use a z-axis cylinder with fix insert} :dt
|
||||
|
||||
|
@ -1734,10 +1793,6 @@ be oriented along the z dimension. :dd
|
|||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Must use atom style granular with lj units} :dt
|
||||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Must use atom style granular with pair style granular} :dt
|
||||
|
||||
Self-explanatory. :dd
|
||||
|
@ -1803,11 +1858,18 @@ Self-explanatory. :dd
|
|||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Must use newton pairwise on with TIP4P potential} :dt
|
||||
{Must use -in switch with multiple partitions} :dt
|
||||
|
||||
Use of a TIP4P pair potential requires the newton command setting for
|
||||
pairwise interactions be "on", because of the way forces are computed
|
||||
on other atoms due to TIP4P interactions. :dd
|
||||
A multi-partition simulation cannot read the input script from stdin.
|
||||
The -in command-line option must be used to specify a file. :dd
|
||||
|
||||
{Must use lj units with atom style granular} :dt
|
||||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Must use molecular atom style with neigh_modify exclude molecule} :dt
|
||||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Must use region with side = in with fix insert} :dt
|
||||
|
||||
|
@ -1849,10 +1911,6 @@ Self-explanatory. Check data file. :dd
|
|||
The header of the data file indicated that atoms would be included,
|
||||
but they were not present. :dd
|
||||
|
||||
{No atoms to compute diffusion for} :dt
|
||||
|
||||
The fix msd command has no atoms to compute on. :dd
|
||||
|
||||
{No bonds allowed with this atom style} :dt
|
||||
|
||||
Self-explanatory. Check data file. :dd
|
||||
|
@ -1912,10 +1970,6 @@ Two atoms are closer together than the pairwise table allows. :dd
|
|||
|
||||
Two atoms are further apart than the pairwise table allows. :dd
|
||||
|
||||
{Pair style must be defined to use bond style quartic} :dt
|
||||
|
||||
Bond style quartic requires a pair style be defined. :dd
|
||||
|
||||
{Pair table parameters did not set N} :dt
|
||||
|
||||
List of pair table parameters must include N setting. :dd
|
||||
|
@ -1945,15 +1999,6 @@ Style in pair coeff must have been listed in pair_style command. :dd
|
|||
One or more pairwise cutoffs are too short to use with the specified
|
||||
rRESPA cutoffs. :dd
|
||||
|
||||
{Pair style hybrid cannot have hybrid as an argument} :dt
|
||||
|
||||
Self-explanatory. Check the input script. :dd
|
||||
|
||||
{Pair style hybrid cannot use same pair style twice} :dt
|
||||
|
||||
The sub-style arguments of pair_style hybrid cannot be duplicated.
|
||||
Check the input script. :dd
|
||||
|
||||
{Pair inner cutoff < Respa interior cutoff} :dt
|
||||
|
||||
One or more pairwise cutoffs are too short to use with the specified
|
||||
|
@ -1963,6 +2008,45 @@ rRESPA cutoffs. :dd
|
|||
|
||||
The specified cutoffs for the pair style are inconsistent. :dd
|
||||
|
||||
{Pair style does not support bond_style quartic} :dt
|
||||
|
||||
The pair style does not have a single() function, so it can
|
||||
not be invoked by bond_style quartic. :dd
|
||||
|
||||
{Pair style does not support dumping per-atom energy} :dt
|
||||
|
||||
The pair style does not have a single() function, so it can not be
|
||||
invoked by the dump command. :dd
|
||||
|
||||
{Pair style does not support dumping per-atom stress} :dt
|
||||
|
||||
The pair style does not have a single() function, so it can not be
|
||||
invoked by the dump command. :dd
|
||||
|
||||
{Pair style does not support pair_write} :dt
|
||||
|
||||
The pair style does not have a single() function, so it can
|
||||
not be invoked by the pair_write command. :dd
|
||||
|
||||
{Pair style does not support rRESPA inner/middle/outer} :dt
|
||||
|
||||
You are attempting to use rRESPA options with a pair style that
|
||||
does not support them. :dd
|
||||
|
||||
{Pair style granular with history requires atoms have IDs} :dt
|
||||
|
||||
Atoms in the simulation do not have IDs, so history effects
|
||||
cannot be tracked by the granular pair potential. :dd
|
||||
|
||||
{Pair style hybrid cannot have hybrid as an argument} :dt
|
||||
|
||||
Self-explanatory. Check the input script. :dd
|
||||
|
||||
{Pair style hybrid cannot use same pair style twice} :dt
|
||||
|
||||
The sub-style arguments of pair_style hybrid cannot be duplicated.
|
||||
Check the input script. :dd
|
||||
|
||||
{Pair style is incompatible with DihedralCharmm} :dt
|
||||
|
||||
When using a dihedral style charmm, a pair style with a CHARMM
|
||||
|
@ -1974,6 +2058,16 @@ specified. :dd
|
|||
If a pair style with a long-range Coulombic component is selected,
|
||||
then a kspace style must also be used. :dd
|
||||
|
||||
{Pair style lj/cut/coul/long/tip4p requires atom IDs} :dt
|
||||
|
||||
There are no atom IDs defined in the system and the TIP4P potential
|
||||
requires them to find O,H atoms with a water molecule. :dd
|
||||
|
||||
{Pair style lj/cut/coul/long/tip4p requires newton pair on} :dt
|
||||
|
||||
This is because the computation of constraint forces within a water
|
||||
molecule adds forces to atoms owned by other processors. :dd
|
||||
|
||||
{Pair table cutoffs must all be equal to use with KSpace} :dt
|
||||
|
||||
When using pair style table with a long-range KSpace solver, the
|
||||
|
@ -1993,6 +2087,10 @@ read_restart, or create_box command. :dd
|
|||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Pair_style granular command before simulation box is defined} :dt
|
||||
|
||||
This pair style cannot be used before a simulation box is defined. :dd
|
||||
|
||||
{Pair_write command before pair_style is defined} :dt
|
||||
|
||||
Self-explanatory. :dd
|
||||
|
@ -2068,11 +2166,6 @@ types in setfl potential file. :dd
|
|||
|
||||
The first cutoff must be <= the second cutoff. :dd
|
||||
|
||||
{Respa inner/middle/outer used with invalid pair style} :dt
|
||||
|
||||
Only a few pair potentials support the use of respa inner, middle,
|
||||
outer options. :dd
|
||||
|
||||
{Respa levels must be >= 1} :dt
|
||||
|
||||
Self-explanatory. :dd
|
||||
|
@ -2114,6 +2207,18 @@ incorrect. :dd
|
|||
The run command cannot be used before a read_data, read_restart, or
|
||||
create_box command. :dd
|
||||
|
||||
{Run command upto value is before current timestep} :dt
|
||||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Run command start value is after start of run} :dt
|
||||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Run command stop value is before end of run} :dt
|
||||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Run_style command before simulation box is defined} :dt
|
||||
|
||||
The run_style command cannot be used before a read_data,
|
||||
|
@ -2177,6 +2282,14 @@ SHAKE fix contribution to the pressure virial is incorrect. :dd
|
|||
The variable specified with a $ symbol in an input script command has
|
||||
not been previously defined with a variable command. :dd
|
||||
|
||||
{Target T for fix nvt cannot be 0.0} :dt
|
||||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Target T for fix npt cannot be 0.0} :dt
|
||||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Temperature region ID does not exist} :dt
|
||||
|
||||
The region ID specified in the temperature command does not exist. :dd
|
||||
|
@ -2229,9 +2342,11 @@ within a water molecule. :dd
|
|||
The target file for the fix tmd command did not list all atoms in the
|
||||
fix group. :dd
|
||||
|
||||
{Too big a problem to run with a molecular atom style} :dt
|
||||
{Too big a problem to replicate with molecular atom style} :dt
|
||||
|
||||
Cannot run a problem with > 2^31 atoms with molecular attributes. :dd
|
||||
Molecular problems cannot become bigger than 2^31 atoms (or bonds,
|
||||
etc) when replicated, else the atom IDs and other quantities cannot be
|
||||
stored in 32 bit quantities. :dd
|
||||
|
||||
{Too few bits for lookup table} :dt
|
||||
|
||||
|
@ -2243,20 +2358,6 @@ machine's floating point representation. :dd
|
|||
The atoms to be created by the create_atoms command must have a valid
|
||||
type. :dd
|
||||
|
||||
{Too many atoms in data file} :dt
|
||||
|
||||
A data file cannot contain more than 2^31 atoms. :dd
|
||||
|
||||
{Too many atoms to use delete atoms command} :dt
|
||||
|
||||
Cannot use delete_atoms command if number of atoms is greater than
|
||||
2^31. :dd
|
||||
|
||||
{Too many atoms to use velocity create with loop all} :dt
|
||||
|
||||
Cannot use velocity create command with loop all setting if number of
|
||||
atoms is greater than 2^31. Switch to local or geom setting. :dd
|
||||
|
||||
{Too many exponent bits for lookup table} :dt
|
||||
|
||||
Table size specified via pair_modify command does not work with your
|
||||
|
@ -2369,6 +2470,10 @@ definition until the simulation box has been defined. :dd
|
|||
Cannot use thermodynamic keywords in a equal style variable definition
|
||||
until a simulation run has been performed. :dd
|
||||
|
||||
{Variable equal group ID does not exist} :dt
|
||||
|
||||
Self-explanatory. :dd
|
||||
|
||||
{Velocity command before simulation box is defined} :dt
|
||||
|
||||
The velocity command cannot be used before a read_data, read_restart,
|
||||
|
@ -2408,6 +2513,11 @@ will be truncated to attempt to prevent the bond from blowing up. :dd
|
|||
A FENE bond has stretched dangerously far. It's interaction strength
|
||||
will be truncated to attempt to prevent the bond from blowing up. :dd
|
||||
|
||||
{Fix recenter should come after all other integration fixes} :dt
|
||||
|
||||
Other fixes may change the position of the center-of-mass, so
|
||||
fix recenter should come last. :dd
|
||||
|
||||
{Group for fix_modify temp != fix group} :dt
|
||||
|
||||
The fix_modify command is specifying a temperature computation that
|
||||
|
@ -2644,6 +2754,12 @@ style region. Since thermo computes a global pressure, the kinetic
|
|||
energy contribution from the temperature is assumed to also be for all
|
||||
atoms. Thus the pressure printed by thermo could be inaccurate. :dd
|
||||
|
||||
{Using pair tail corrections with nonperiodic system} :dt
|
||||
|
||||
This is probably a bogus thing to do, since tail corrections are
|
||||
computed by integrating the density of a periodic system out to
|
||||
infinity. :dd
|
||||
|
||||
{Using variable equal keyword with non-current thermo} :dt
|
||||
|
||||
The variable expression is being evaluated with a thermodynamic
|
||||
|
|
|
@ -23,22 +23,21 @@ molecular dynamics codes I've distributed.
|
|||
<H4><A NAME = "10_1"></A>10.1 Coming attractions
|
||||
</H4>
|
||||
<P>The current version of LAMMPS incorporates nearly all the features
|
||||
from previous parallel MD codes I developed. These include earlier
|
||||
versions of LAMMPS itself, Warp and ParaDyn for metals, and GranFlow
|
||||
for granular materials.
|
||||
from previous parallel MD codes developed at Sandia. These include
|
||||
earlier versions of LAMMPS itself, Warp and ParaDyn for metals, and
|
||||
GranFlow for granular materials.
|
||||
</P>
|
||||
<P>These are new features I'd like to eventually add to LAMMPS. Some are
|
||||
being worked on; some haven't been implemented because of lack of time
|
||||
or interest; others are just a lot of work!
|
||||
<P>These are new features we'd like to eventually add to LAMMPS. Some
|
||||
are being worked on; some haven't been implemented because of lack of
|
||||
time or interest; others are just a lot of work!
|
||||
</P>
|
||||
<UL><LI>Monte Carlo bond-swapping for polymers (was in Fortran LAMMPS)
|
||||
<LI>torsional shear boundary conditions and temperature calculation
|
||||
<LI>bond creation potentials
|
||||
<LI>point dipole force fields
|
||||
<LI>3-body force fields for materials like Si or silica
|
||||
<LI>many-body and bond-order potentials for materials like C, Si, or silica
|
||||
<LI>modified EAM (MEAM) potentials for metals
|
||||
<LI>REAXX force field from Bill Goddard's group
|
||||
<LI>pressure and energy tail corrections for pairwise interactions
|
||||
<LI>Parinello-Rahman non-rectilinear simulation box
|
||||
</UL>
|
||||
<HR>
|
||||
|
|
|
@ -20,22 +20,21 @@ molecular dynamics codes I've distributed.
|
|||
10.1 Coming attractions :h4,link(10_1)
|
||||
|
||||
The current version of LAMMPS incorporates nearly all the features
|
||||
from previous parallel MD codes I developed. These include earlier
|
||||
versions of LAMMPS itself, Warp and ParaDyn for metals, and GranFlow
|
||||
for granular materials.
|
||||
from previous parallel MD codes developed at Sandia. These include
|
||||
earlier versions of LAMMPS itself, Warp and ParaDyn for metals, and
|
||||
GranFlow for granular materials.
|
||||
|
||||
These are new features I'd like to eventually add to LAMMPS. Some are
|
||||
being worked on; some haven't been implemented because of lack of time
|
||||
or interest; others are just a lot of work!
|
||||
These are new features we'd like to eventually add to LAMMPS. Some
|
||||
are being worked on; some haven't been implemented because of lack of
|
||||
time or interest; others are just a lot of work!
|
||||
|
||||
Monte Carlo bond-swapping for polymers (was in Fortran LAMMPS)
|
||||
torsional shear boundary conditions and temperature calculation
|
||||
bond creation potentials
|
||||
point dipole force fields
|
||||
3-body force fields for materials like Si or silica
|
||||
many-body and bond-order potentials for materials like C, Si, or silica
|
||||
modified EAM (MEAM) potentials for metals
|
||||
REAXX force field from Bill Goddard's group
|
||||
pressure and energy tail corrections for pairwise interactions
|
||||
Parinello-Rahman non-rectilinear simulation box :ul
|
||||
|
||||
:line
|
||||
|
|
|
@ -167,6 +167,10 @@ commands like <A HREF = "pair_coeff.html">pair_coeff</A> or
|
|||
additional tools that can use CHARMM or AMBER to assign force field
|
||||
coefficients and convert their output into LAMMPS input.
|
||||
</P>
|
||||
<P>See <A HREF = "#MacKerell">(MacKerell)</A> for a description of the CHARMM force
|
||||
field. See <A HREF = "#Cornell">(Cornell)</A> for a description of the AMBER force
|
||||
field.
|
||||
</P>
|
||||
|
||||
|
||||
|
||||
|
@ -577,6 +581,11 @@ back into LAMMPS.
|
|||
</P>
|
||||
<HR>
|
||||
|
||||
<A NAME = "Cornell"></A>
|
||||
|
||||
<P><B>(Cornell)</B> Corenll, Cieplak, Bayly, Gould, Merz, Ferguson,
|
||||
Spellmeyer, Fox, Caldwell, Kollman, JACS 117, 5179-5197 (1995).
|
||||
</P>
|
||||
<A NAME = "Horn"></A>
|
||||
|
||||
<P><B>(Horn)</B> Horn, Swope, Pitera, Madura, Dick, Hura, and Head-Gordon,
|
||||
|
|
|
@ -164,6 +164,10 @@ commands like "pair_coeff"_pair_coeff.html or
|
|||
additional tools that can use CHARMM or AMBER to assign force field
|
||||
coefficients and convert their output into LAMMPS input.
|
||||
|
||||
See "(MacKerell)"_#MacKerell for a description of the CHARMM force
|
||||
field. See "(Cornell)"_#Cornell for a description of the AMBER force
|
||||
field.
|
||||
|
||||
:link(charmm,http://www.scripps.edu/brooks)
|
||||
:link(amber,http://amber.scripps.edu)
|
||||
|
||||
|
@ -573,6 +577,10 @@ back into LAMMPS.
|
|||
|
||||
:line
|
||||
|
||||
:link(Cornell)
|
||||
[(Cornell)] Corenll, Cieplak, Bayly, Gould, Merz, Ferguson,
|
||||
Spellmeyer, Fox, Caldwell, Kollman, JACS 117, 5179-5197 (1995).
|
||||
|
||||
:link(Horn)
|
||||
[(Horn)] Horn, Swope, Pitera, Madura, Dick, Hura, and Head-Gordon,
|
||||
J Chem Phys, 120, 9665 (2004).
|
||||
|
|
|
@ -224,16 +224,17 @@ list of packages is as follows:
|
|||
<TR><TD >dpd </TD><TD > dissipative particle dynamics (DPD) force field</TD></TR>
|
||||
<TR><TD >granular </TD><TD > force fields and boundary conditions for granular systems</TD></TR>
|
||||
<TR><TD >kspace </TD><TD > long-range Ewald and particle-mesh (PPPM) solvers</TD></TR>
|
||||
<TR><TD >manybody </TD><TD > metal, 3-body, bond-order potentials</TD></TR>
|
||||
<TR><TD >molecule </TD><TD > force fields for molecular systems</TD></TR>
|
||||
<TR><TD >poems </TD><TD > coupled rigid body motion</TD></TR>
|
||||
<TR><TD >xtc </TD><TD > dump atom snapshots in XTC format
|
||||
</TD></TR></TABLE></DIV>
|
||||
|
||||
<P>Any or all of these packages can be included or excluded when LAMMPS
|
||||
is built. The default is to include only the kspace and molecule
|
||||
packages. You may wish to exclude certain packages if you will never
|
||||
run certain kinds of simulations. This will produce a smaller
|
||||
executable which in some cases will also run a bit faster.
|
||||
is built. The default is to include only the kspace, manybody, and
|
||||
molecule packages. You may wish to exclude certain packages if you
|
||||
will never run certain kinds of simulations. This will produce a
|
||||
smaller executable which in some cases will also run a bit faster.
|
||||
</P>
|
||||
<P>Packages are included or excluded by typing "make yes-name" or "make
|
||||
no-name", where "name" is the name of the package. You can also type
|
||||
|
|
|
@ -218,15 +218,16 @@ class2 : class 2 force fields
|
|||
dpd : dissipative particle dynamics (DPD) force field
|
||||
granular : force fields and boundary conditions for granular systems
|
||||
kspace : long-range Ewald and particle-mesh (PPPM) solvers
|
||||
manybody : metal, 3-body, bond-order potentials
|
||||
molecule : force fields for molecular systems
|
||||
poems : coupled rigid body motion
|
||||
xtc : dump atom snapshots in XTC format :tb(s=:)
|
||||
|
||||
Any or all of these packages can be included or excluded when LAMMPS
|
||||
is built. The default is to include only the kspace and molecule
|
||||
packages. You may wish to exclude certain packages if you will never
|
||||
run certain kinds of simulations. This will produce a smaller
|
||||
executable which in some cases will also run a bit faster.
|
||||
is built. The default is to include only the kspace, manybody, and
|
||||
molecule packages. You may wish to exclude certain packages if you
|
||||
will never run certain kinds of simulations. This will produce a
|
||||
smaller executable which in some cases will also run a bit faster.
|
||||
|
||||
Packages are included or excluded by typing "make yes-name" or "make
|
||||
no-name", where "name" is the name of the package. You can also type
|
||||
|
|
|
@ -67,8 +67,9 @@ specified by the associated <A HREF = "angle_coeff.html">angle_coeff</A> command
|
|||
<P>Angle styles can only be set for atom_styles that allow angles to be
|
||||
defined.
|
||||
</P>
|
||||
<P>Angle styles are part of the "molecular" package. They are only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
<P>Angle styles are part of the "molecular" package or other packages as
|
||||
noted in their documentation. They are only enabled if LAMMPS was
|
||||
built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
|
|
|
@ -65,8 +65,9 @@ specified by the associated "angle_coeff"_angle_coeff.html command:
|
|||
Angle styles can only be set for atom_styles that allow angles to be
|
||||
defined.
|
||||
|
||||
Angle styles are part of the "molecular" package. They are only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
Angle styles are part of the "molecular" package or other packages as
|
||||
noted in their documentation. They are only enabled if LAMMPS was
|
||||
built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
|
||||
[Related commands:]
|
||||
|
|
|
@ -30,6 +30,9 @@ angle_coeff 1 300.0 107.0 50.0 3.0
|
|||
the 1st and 3rd atoms in the angle. K, theta0, Kub, and Rub are
|
||||
coefficients defined for each angle type.
|
||||
</P>
|
||||
<P>See <A HREF = "#MacKerell">(MacKerell)</A> for a description of the CHARMM force
|
||||
field.
|
||||
</P>
|
||||
<P>The following coefficients must be defined for each angle type via the
|
||||
<A HREF = "angle_coeff.html">angle_coeff</A> command as in the example above, or in
|
||||
the data file or restart files read by the <A HREF = "read_data.html">read_data</A>
|
||||
|
@ -43,14 +46,7 @@ or <A HREF = "read_restart.html">read_restart</A> commands:
|
|||
<P>Theta0 is specified in degrees, but LAMMPS converts it to radians
|
||||
internally; hence the units of K are in energy/radian^2.
|
||||
</P>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Angle styles can only be set for atom styles that allow angles to be
|
||||
defined.
|
||||
</P>
|
||||
<P>This angle style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
@ -58,4 +54,11 @@ LAMMPS</A> section for more info.
|
|||
</P>
|
||||
<P><B>Default:</B> none
|
||||
</P>
|
||||
<HR>
|
||||
|
||||
<A NAME = "MacKerell"></A>
|
||||
|
||||
<P><B>(MacKerell)</B> MacKerell, Bashford, Bellott, Dunbrack, Evanseck, Field,
|
||||
Fischer, Gao, Guo, Ha, et al, J Phys Chem, 102, 3586 (1998).
|
||||
</P>
|
||||
</HTML>
|
||||
|
|
|
@ -27,6 +27,9 @@ with an additional Urey_Bradley term based on the distance {r} between
|
|||
the 1st and 3rd atoms in the angle. K, theta0, Kub, and Rub are
|
||||
coefficients defined for each angle type.
|
||||
|
||||
See "(MacKerell)"_#MacKerell for a description of the CHARMM force
|
||||
field.
|
||||
|
||||
The following coefficients must be defined for each angle type via the
|
||||
"angle_coeff"_angle_coeff.html command as in the example above, or in
|
||||
the data file or restart files read by the "read_data"_read_data.html
|
||||
|
@ -40,17 +43,16 @@ r_ub (distance) :ul
|
|||
Theta0 is specified in degrees, but LAMMPS converts it to radians
|
||||
internally; hence the units of K are in energy/radian^2.
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
Angle styles can only be set for atom styles that allow angles to be
|
||||
defined.
|
||||
|
||||
This angle style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
[Restrictions:] none
|
||||
|
||||
[Related commands:]
|
||||
|
||||
"angle_coeff"_angle_coeff.html
|
||||
|
||||
[Default:] none
|
||||
|
||||
:line
|
||||
|
||||
:link(MacKerell)
|
||||
[(MacKerell)] MacKerell, Bashford, Bellott, Dunbrack, Evanseck, Field,
|
||||
Fischer, Gao, Guo, Ha, et al, J Phys Chem, 102, 3586 (1998).
|
||||
|
|
|
@ -30,6 +30,8 @@ angle_coeff * 75.0
|
|||
bond-angle term. Theta0 is the equilibrium angle and r1 and r2 are
|
||||
the equilibrium bond lengths.
|
||||
</P>
|
||||
<P>See <A HREF = "#Sun">(Sun)</A> for a description of the COMPASS class2 force field.
|
||||
</P>
|
||||
<P>For this style, only coefficients for the Ea formula can be specified
|
||||
in the input script. These are the 4 coefficients:
|
||||
</P>
|
||||
|
@ -64,9 +66,6 @@ same value from the Ea formula.
|
|||
</P>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Angle styles can only be set for atom styles that allow angles to be
|
||||
defined.
|
||||
</P>
|
||||
<P>This angle style is part of the "class2" package. It is only enabled
|
||||
if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
|
@ -77,4 +76,10 @@ LAMMPS</A> section for more info.
|
|||
</P>
|
||||
<P><B>Default:</B> none
|
||||
</P>
|
||||
<HR>
|
||||
|
||||
<A NAME = "Sun"></A>
|
||||
|
||||
<P><B>(Sun)</B> Sun, J Phys Chem B 102, 7338-7364 (1998).
|
||||
</P>
|
||||
</HTML>
|
||||
|
|
|
@ -27,6 +27,8 @@ where Ea is the angle term, Ebb is a bond-bond term, and Eba is a
|
|||
bond-angle term. Theta0 is the equilibrium angle and r1 and r2 are
|
||||
the equilibrium bond lengths.
|
||||
|
||||
See "(Sun)"_#Sun for a description of the COMPASS class2 force field.
|
||||
|
||||
For this style, only coefficients for the Ea formula can be specified
|
||||
in the input script. These are the 4 coefficients:
|
||||
|
||||
|
@ -61,9 +63,6 @@ same value from the Ea formula.
|
|||
|
||||
[Restrictions:]
|
||||
|
||||
Angle styles can only be set for atom styles that allow angles to be
|
||||
defined.
|
||||
|
||||
This angle style is part of the "class2" package. It is only enabled
|
||||
if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
|
@ -73,3 +72,8 @@ LAMMPS"_Section_start.html#2_2 section for more info.
|
|||
"angle_coeff"_angle_coeff.html
|
||||
|
||||
[Default:] none
|
||||
|
||||
:line
|
||||
|
||||
:link(Sun)
|
||||
[(Sun)] Sun, J Phys Chem B 102, 7338-7364 (1998).
|
||||
|
|
|
@ -35,14 +35,7 @@ or <A HREF = "read_restart.html">read_restart</A> commands:
|
|||
</P>
|
||||
<UL><LI>K (energy)
|
||||
</UL>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Angle styles can only be set for atom styles that allow angles to be
|
||||
defined.
|
||||
</P>
|
||||
<P>This angle style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -32,14 +32,7 @@ or "read_restart"_read_restart.html commands:
|
|||
|
||||
K (energy) :ul
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
Angle styles can only be set for atom styles that allow angles to be
|
||||
defined.
|
||||
|
||||
This angle style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
[Restrictions:] none
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -40,14 +40,7 @@ or <A HREF = "read_restart.html">read_restart</A> commands:
|
|||
<P>Theta0 is specified in degrees, but LAMMPS converts it to radians
|
||||
internally.
|
||||
</P>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Angle styles can only be set for atom styles that allow angles to be
|
||||
defined.
|
||||
</P>
|
||||
<P>This angle style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -37,14 +37,7 @@ theta0 (degrees) :ul
|
|||
Theta0 is specified in degrees, but LAMMPS converts it to radians
|
||||
internally.
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
Angle styles can only be set for atom styles that allow angles to be
|
||||
defined.
|
||||
|
||||
This angle style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
[Restrictions:] none
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -40,14 +40,7 @@ or <A HREF = "read_restart.html">read_restart</A> commands:
|
|||
<P>Theta0 is specified in degrees, but LAMMPS converts it to radians
|
||||
internally; hence the units of K are in energy/radian^2.
|
||||
</P>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Angle styles can only be set for atom styles that allow angles to be
|
||||
defined.
|
||||
</P>
|
||||
<P>This angle style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -37,14 +37,7 @@ theta0 (degrees) :ul
|
|||
Theta0 is specified in degrees, but LAMMPS converts it to radians
|
||||
internally; hence the units of K are in energy/radian^2.
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
Angle styles can only be set for atom styles that allow angles to be
|
||||
defined.
|
||||
|
||||
This angle style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
[Restrictions:] none
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -40,14 +40,11 @@ angle type 1 to be computed with a <I>harmonic</I> potential with
|
|||
coefficients 80.0, 1.2 for K, r0. All other angle types (2-N) would
|
||||
be computed with a <I>cosine</I> potential with coefficient 50.0 for K.
|
||||
</P>
|
||||
<P><B>Restrictions:</B>
|
||||
<P>An angle style of <I>none</I> can be specified as an argument to
|
||||
angle_style hybrid and the corresponding angle_coeff commands, if you
|
||||
desire to turn off certain angle types.
|
||||
</P>
|
||||
<P>Angle styles can only be set for atom styles that allow angles to be
|
||||
defined.
|
||||
</P>
|
||||
<P>This angle style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -37,14 +37,11 @@ angle type 1 to be computed with a {harmonic} potential with
|
|||
coefficients 80.0, 1.2 for K, r0. All other angle types (2-N) would
|
||||
be computed with a {cosine} potential with coefficient 50.0 for K.
|
||||
|
||||
[Restrictions:]
|
||||
An angle style of {none} can be specified as an argument to
|
||||
angle_style hybrid and the corresponding angle_coeff commands, if you
|
||||
desire to turn off certain angle types.
|
||||
|
||||
Angle styles can only be set for atom styles that allow angles to be
|
||||
defined.
|
||||
|
||||
This angle style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
[Restrictions:] none
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -25,10 +25,7 @@
|
|||
if triplets of angle atoms were listed in the data file read by the
|
||||
<A HREF = "read_data.html">read_data</A> command.
|
||||
</P>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Angle styles can only be set for atom styles that allow angles to be
|
||||
defined.
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P><B>Related commands:</B> none
|
||||
</P>
|
||||
|
|
|
@ -22,10 +22,7 @@ Using an angle style of none means angle forces are not computed, even
|
|||
if triplets of angle atoms were listed in the data file read by the
|
||||
"read_data"_read_data.html command.
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
Angle styles can only be set for atom styles that allow angles to be
|
||||
defined.
|
||||
[Restrictions:] none
|
||||
|
||||
[Related commands:] none
|
||||
|
||||
|
|
|
@ -78,8 +78,9 @@ specified by the associated <A HREF = "bond_coeff.html">bond_coeff</A> command:
|
|||
<P>Bond styles can only be set for atom styles that allow bonds to be
|
||||
defined.
|
||||
</P>
|
||||
<P>Bond styles are part of the "molecular" package. They are only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
<P>Bond styles are part of the "molecular" package or other packages as
|
||||
noted in their documentation. They are only enabled if LAMMPS was
|
||||
built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
|
|
|
@ -75,8 +75,9 @@ specified by the associated "bond_coeff"_bond_coeff.html command:
|
|||
Bond styles can only be set for atom styles that allow bonds to be
|
||||
defined.
|
||||
|
||||
Bond styles are part of the "molecular" package. They are only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
Bond styles are part of the "molecular" package or other packages as
|
||||
noted in their documentation. They are only enabled if LAMMPS was
|
||||
built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
|
||||
[Related commands:]
|
||||
|
|
|
@ -28,6 +28,8 @@ bond_coeff 1 1.0 100.0 80.0 80.0
|
|||
</CENTER>
|
||||
<P>where r0 is the equilibrium bond distance.
|
||||
</P>
|
||||
<P>See <A HREF = "#Sun">(Sun)</A> for a description of the COMPASS class2 force field.
|
||||
</P>
|
||||
<P>The following coefficients must be defined for each bond type via the
|
||||
<A HREF = "bond_coeff.html">bond_coeff</A> command as in the example above, or in
|
||||
the data file or restart files read by the <A HREF = "read_data.html">read_data</A>
|
||||
|
@ -40,9 +42,6 @@ or <A HREF = "read_restart.html">read_restart</A> commands:
|
|||
</UL>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Bond styles can only be set for atom styles that allow bonds to be
|
||||
defined.
|
||||
</P>
|
||||
<P>This bond style is part of the "class2" package. It is only enabled
|
||||
if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
|
@ -53,4 +52,10 @@ LAMMPS</A> section for more info.
|
|||
</P>
|
||||
<P><B>Default:</B> none
|
||||
</P>
|
||||
<HR>
|
||||
|
||||
<A NAME = "Sun"></A>
|
||||
|
||||
<P><B>(Sun)</B> Sun, J Phys Chem B 102, 7338-7364 (1998).
|
||||
</P>
|
||||
</HTML>
|
||||
|
|
|
@ -25,6 +25,8 @@ The {class2} bond style uses the potential
|
|||
|
||||
where r0 is the equilibrium bond distance.
|
||||
|
||||
See "(Sun)"_#Sun for a description of the COMPASS class2 force field.
|
||||
|
||||
The following coefficients must be defined for each bond type via the
|
||||
"bond_coeff"_bond_coeff.html command as in the example above, or in
|
||||
the data file or restart files read by the "read_data"_read_data.html
|
||||
|
@ -37,9 +39,6 @@ K4 (energy/distance^2) :ul
|
|||
|
||||
[Restrictions:]
|
||||
|
||||
Bond styles can only be set for atom styles that allow bonds to be
|
||||
defined.
|
||||
|
||||
This bond style is part of the "class2" package. It is only enabled
|
||||
if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
|
@ -49,3 +48,8 @@ LAMMPS"_Section_start.html#2_2 section for more info.
|
|||
"bond_coeff"_bond_coeff.html, "delete_bonds"_delete_bonds.html
|
||||
|
||||
[Default:] none
|
||||
|
||||
:line
|
||||
|
||||
:link(Sun)
|
||||
[(Sun)] Sun, J Phys Chem B 102, 7338-7364 (1998).
|
||||
|
|
|
@ -42,14 +42,7 @@ or <A HREF = "read_restart.html">read_restart</A> commands:
|
|||
<LI>epsilon (energy)
|
||||
<LI>sigma (distance)
|
||||
</UL>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Bond styles can only be set for atom styles that allow bonds to be
|
||||
defined.
|
||||
</P>
|
||||
<P>This bond style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -39,14 +39,7 @@ R0 (distance)
|
|||
epsilon (energy)
|
||||
sigma (distance) :ul
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
Bond styles can only be set for atom styles that allow bonds to be
|
||||
defined.
|
||||
|
||||
This bond style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
[Restrictions:] none
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -47,14 +47,7 @@ or <A HREF = "read_restart.html">read_restart</A> commands:
|
|||
<LI>sigma (distance)
|
||||
<LI>delta (distance)
|
||||
</UL>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Bond styles can only be set for atom styles that allow bonds to be
|
||||
defined.
|
||||
</P>
|
||||
<P>This bond style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -44,14 +44,7 @@ epsilon (energy)
|
|||
sigma (distance)
|
||||
delta (distance) :ul
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
Bond styles can only be set for atom styles that allow bonds to be
|
||||
defined.
|
||||
|
||||
This bond style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
[Restrictions:] none
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -37,14 +37,7 @@ or <A HREF = "read_restart.html">read_restart</A> commands:
|
|||
<UL><LI>K (energy/distance^2)
|
||||
<LI>r0 (distance)
|
||||
</UL>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Bond styles can only be set for atom styles that allow bonds to be
|
||||
defined.
|
||||
</P>
|
||||
<P>This bond style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -34,14 +34,7 @@ or "read_restart"_read_restart.html commands:
|
|||
K (energy/distance^2)
|
||||
r0 (distance) :ul
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
Bond styles can only be set for atom styles that allow bonds to be
|
||||
defined.
|
||||
|
||||
This bond style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
[Restrictions:] none
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -41,14 +41,11 @@ coefficients 80.0, 1.2 for K, r0. All other bond types (2-N) would be
|
|||
computed with a <I>fene</I> potential with coefficients 30.0, 1.5, 1.0, 1.0
|
||||
for K, R0, epsilon, sigma.
|
||||
</P>
|
||||
<P><B>Restrictions:</B>
|
||||
<P>A bond style of <I>none</I> can be specified as an argument to bond_style
|
||||
hybrid and the corresponding bond_coeff commands, if you desire to
|
||||
turn off certain bond types.
|
||||
</P>
|
||||
<P>Bond styles can only be set for atom styles that allow bonds to be
|
||||
defined.
|
||||
</P>
|
||||
<P>This bond style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -38,14 +38,11 @@ coefficients 80.0, 1.2 for K, r0. All other bond types (2-N) would be
|
|||
computed with a {fene} potential with coefficients 30.0, 1.5, 1.0, 1.0
|
||||
for K, R0, epsilon, sigma.
|
||||
|
||||
[Restrictions:]
|
||||
A bond style of {none} can be specified as an argument to bond_style
|
||||
hybrid and the corresponding bond_coeff commands, if you desire to
|
||||
turn off certain bond types.
|
||||
|
||||
Bond styles can only be set for atom styles that allow bonds to be
|
||||
defined.
|
||||
|
||||
This bond style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
[Restrictions:] none
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -38,14 +38,7 @@ or <A HREF = "read_restart.html">read_restart</A> commands:
|
|||
<LI>alpha (inverse distance)
|
||||
<LI>r0 (distance)
|
||||
</UL>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Bond styles can only be set for atom styles that allow bonds to be
|
||||
defined.
|
||||
</P>
|
||||
<P>This bond style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -35,14 +35,7 @@ D (energy)
|
|||
alpha (inverse distance)
|
||||
r0 (distance) :ul
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
Bond styles can only be set for atom styles that allow bonds to be
|
||||
defined.
|
||||
|
||||
This bond style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
[Restrictions:] none
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -25,10 +25,7 @@
|
|||
pairs of bonded atoms were listed in the data file read by the
|
||||
<A HREF = "read_data.html">read_data</A> command.
|
||||
</P>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Bond styles can only be set for atom styles that allow bonds to be
|
||||
defined.
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P><B>Related commands:</B> none
|
||||
</P>
|
||||
|
|
|
@ -22,10 +22,7 @@ Using a bond style of none means bond forces are not computed, even if
|
|||
pairs of bonded atoms were listed in the data file read by the
|
||||
"read_data"_read_data.html command.
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
Bond styles can only be set for atom styles that allow bonds to be
|
||||
defined.
|
||||
[Restrictions:] none
|
||||
|
||||
[Related commands:] none
|
||||
|
||||
|
|
|
@ -38,14 +38,7 @@ or <A HREF = "read_restart.html">read_restart</A> commands:
|
|||
<LI>r0 (distance)
|
||||
<LI>lamda (distance)
|
||||
</UL>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Bond styles can only be set for atom styles that allow bonds to be
|
||||
defined.
|
||||
</P>
|
||||
<P>This bond style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -35,14 +35,7 @@ epsilon (energy)
|
|||
r0 (distance)
|
||||
lamda (distance) :ul
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
Bond styles can only be set for atom styles that allow bonds to be
|
||||
defined.
|
||||
|
||||
This bond style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
[Restrictions:] none
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -75,17 +75,10 @@ delete_bonds all bond 0 remove
|
|||
</PRE>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Bond styles can only be set for atom styles that allow bonds to be
|
||||
defined.
|
||||
</P>
|
||||
<P>The <I>quartic</I> style requires that <A HREF = "special_bonds.html">special_bonds</A>
|
||||
parameters be set to 1,1,1. Three- and four-body interactions (angle,
|
||||
dihedral, etc) cannot be used with <I>quartic</I> bonds.
|
||||
</P>
|
||||
<P>This bond style is part of the "molecular" package. It is only enabled
|
||||
if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
<P><A HREF = "bond_coeff.html">bond_coeff</A>, <A HREF = "delete_bonds.html">delete_bonds</A>
|
||||
|
|
|
@ -72,17 +72,10 @@ delete_bonds all bond 0 remove :pre
|
|||
|
||||
[Restrictions:]
|
||||
|
||||
Bond styles can only be set for atom styles that allow bonds to be
|
||||
defined.
|
||||
|
||||
The {quartic} style requires that "special_bonds"_special_bonds.html
|
||||
parameters be set to 1,1,1. Three- and four-body interactions (angle,
|
||||
dihedral, etc) cannot be used with {quartic} bonds.
|
||||
|
||||
This bond style is part of the "molecular" package. It is only enabled
|
||||
if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
|
||||
[Related commands:]
|
||||
|
||||
"bond_coeff"_bond_coeff.html, "delete_bonds"_delete_bonds.html
|
||||
|
|
|
@ -83,8 +83,9 @@ specified by the associated <A HREF = "dihedral_coeff.html">dihedral_coeff</A> c
|
|||
<P>Dihedral styles can only be set for atom styles that allow dihedrals
|
||||
to be defined.
|
||||
</P>
|
||||
<P>Dihedral styles are part of the "molecular" package. They are only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
<P>Dihedral styles are part of the "molecular" package or other packages
|
||||
as noted in their documentation. They are only enabled if LAMMPS was
|
||||
built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
|
|
|
@ -81,8 +81,9 @@ specified by the associated "dihedral_coeff"_dihedral_coeff.html command:
|
|||
Dihedral styles can only be set for atom styles that allow dihedrals
|
||||
to be defined.
|
||||
|
||||
Dihedral styles are part of the "molecular" package. They are only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
Dihedral styles are part of the "molecular" package or other packages
|
||||
as noted in their documentation. They are only enabled if LAMMPS was
|
||||
built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
|
||||
[Related commands:]
|
||||
|
|
|
@ -26,6 +26,9 @@ dihedral_coeff 1 120.0 1 60 0.5
|
|||
</P>
|
||||
<CENTER><IMG SRC = "Eqs/dihedral_charmm.jpg">
|
||||
</CENTER>
|
||||
<P>See <A HREF = "#MacKerell">(MacKerell)</A> for a description of the CHARMM force
|
||||
field.
|
||||
</P>
|
||||
<P>The following coefficients must be defined for each dihedral type via the
|
||||
<A HREF = "dihedral_coeff.html">dihedral_coeff</A> command as in the example above, or in
|
||||
the data file or restart files read by the <A HREF = "read_data.html">read_data</A>
|
||||
|
@ -45,14 +48,7 @@ should typically be set to 0.0, else the 1-4 interactions in a
|
|||
dihedral will be computed twice (once by the pair potential, and once
|
||||
by the dihedral/charmm potential).
|
||||
</P>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Dihedral styles can only be set for atom styles that allow dihedrals to be
|
||||
defined.
|
||||
</P>
|
||||
<P>This dihedral style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
@ -60,4 +56,11 @@ LAMMPS</A> section for more info.
|
|||
</P>
|
||||
<P><B>Default:</B> none
|
||||
</P>
|
||||
<HR>
|
||||
|
||||
<A NAME = "MacKerell"></A>
|
||||
|
||||
<P><B>(MacKerell)</B> MacKerell, Bashford, Bellott, Dunbrack, Evanseck, Field,
|
||||
Fischer, Gao, Guo, Ha, et al, J Phys Chem, 102, 3586 (1998).
|
||||
</P>
|
||||
</HTML>
|
||||
|
|
|
@ -23,6 +23,9 @@ The {charmm} dihedral style uses the potential
|
|||
|
||||
:c,image(Eqs/dihedral_charmm.jpg)
|
||||
|
||||
See "(MacKerell)"_#MacKerell for a description of the CHARMM force
|
||||
field.
|
||||
|
||||
The following coefficients must be defined for each dihedral type via the
|
||||
"dihedral_coeff"_dihedral_coeff.html command as in the example above, or in
|
||||
the data file or restart files read by the "read_data"_read_data.html
|
||||
|
@ -42,17 +45,16 @@ should typically be set to 0.0, else the 1-4 interactions in a
|
|||
dihedral will be computed twice (once by the pair potential, and once
|
||||
by the dihedral/charmm potential).
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
Dihedral styles can only be set for atom styles that allow dihedrals to be
|
||||
defined.
|
||||
|
||||
This dihedral style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
[Restrictions:] none
|
||||
|
||||
[Related commands:]
|
||||
|
||||
"dihedral_coeff"_dihedral_coeff.html
|
||||
|
||||
[Default:] none
|
||||
|
||||
:line
|
||||
|
||||
:link(MacKerell)
|
||||
[(MacKerell)] MacKerell, Bashford, Bellott, Dunbrack, Evanseck, Field,
|
||||
Fischer, Gao, Guo, Ha, et al, J Phys Chem, 102, 3586 (1998).
|
||||
|
|
|
@ -33,6 +33,8 @@ is an angle-angle-torsion term, and Ebb13 is a bond-bond-13 term.
|
|||
<P>Theta1 and theta2 are equilibrium angles and r1 r2 r3 are equilibrium
|
||||
bond lengths.
|
||||
</P>
|
||||
<P>See <A HREF = "#Sun">(Sun)</A> for a description of the COMPASS class2 force field.
|
||||
</P>
|
||||
<P>For this style, only coefficients for the Ed formula can be specified
|
||||
in the input script. These are the 6 coefficients:
|
||||
</P>
|
||||
|
@ -101,9 +103,6 @@ Coeffs" heading and each line lists 3 coefficients:
|
|||
</UL>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Dihedral styles can only be set for atom styles that allow dihedrals to be
|
||||
defined.
|
||||
</P>
|
||||
<P>This dihedral style is part of the "class2" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
|
@ -114,4 +113,10 @@ LAMMPS</A> section for more info.
|
|||
</P>
|
||||
<P><B>Default:</B> none
|
||||
</P>
|
||||
<HR>
|
||||
|
||||
<A NAME = "Sun"></A>
|
||||
|
||||
<P><B>(Sun)</B> Sun, J Phys Chem B 102, 7338-7364 (1998).
|
||||
</P>
|
||||
</HTML>
|
||||
|
|
|
@ -30,6 +30,8 @@ is an angle-angle-torsion term, and Ebb13 is a bond-bond-13 term.
|
|||
Theta1 and theta2 are equilibrium angles and r1 r2 r3 are equilibrium
|
||||
bond lengths.
|
||||
|
||||
See "(Sun)"_#Sun for a description of the COMPASS class2 force field.
|
||||
|
||||
For this style, only coefficients for the Ed formula can be specified
|
||||
in the input script. These are the 6 coefficients:
|
||||
|
||||
|
@ -98,9 +100,6 @@ r3 (distance) :ul
|
|||
|
||||
[Restrictions:]
|
||||
|
||||
Dihedral styles can only be set for atom styles that allow dihedrals to be
|
||||
defined.
|
||||
|
||||
This dihedral style is part of the "class2" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
|
@ -110,3 +109,8 @@ LAMMPS"_Section_start.html#2_2 section for more info.
|
|||
"dihedral_coeff"_dihedral_coeff.html
|
||||
|
||||
[Default:] none
|
||||
|
||||
:line
|
||||
|
||||
:link(Sun)
|
||||
[(Sun)] Sun, J Phys Chem B 102, 7338-7364 (1998).
|
||||
|
|
|
@ -35,14 +35,7 @@ or <A HREF = "read_restart.html">read_restart</A> commands:
|
|||
<LI>d (+1 or -1)
|
||||
<LI>n (integer >= 0)
|
||||
</UL>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Dihedral styles can only be set for atom styles that allow dihedrals to be
|
||||
defined.
|
||||
</P>
|
||||
<P>This dihedral style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -32,14 +32,7 @@ K (energy)
|
|||
d (+1 or -1)
|
||||
n (integer >= 0) :ul
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
Dihedral styles can only be set for atom styles that allow dihedrals to be
|
||||
defined.
|
||||
|
||||
This dihedral style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
[Restrictions:] none
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -43,14 +43,7 @@ or <A HREF = "read_restart.html">read_restart</A> commands:
|
|||
<LI>B (energy)
|
||||
<LI>C (energy)
|
||||
</UL>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Dihedral styles can only be set for atom styles that allow dihedrals to be
|
||||
defined.
|
||||
</P>
|
||||
<P>This dihedral style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -40,14 +40,7 @@ A (energy)
|
|||
B (energy)
|
||||
C (energy) :ul
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
Dihedral styles can only be set for atom styles that allow dihedrals to be
|
||||
defined.
|
||||
|
||||
This dihedral style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
[Restrictions:] none
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -41,14 +41,11 @@ potential with coefficients 80.0, 1.2 for K, d, n. Dihedral type 2
|
|||
would be computed with a <I>helix</I> potential with coefficients 10.0,
|
||||
10.0, 10.0 for A, B, C.
|
||||
</P>
|
||||
<P><B>Restrictions:</B>
|
||||
<P>A dihedral style of <I>none</I> can be specified as an argument to
|
||||
dihedral_style hybrid and the corresponding dihedral_coeff commands,
|
||||
if you desire to turn off certain dihedral types.
|
||||
</P>
|
||||
<P>Dihedral styles can only be set for atom styles that allow dihedrals to be
|
||||
defined.
|
||||
</P>
|
||||
<P>This dihedral style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -38,14 +38,11 @@ potential with coefficients 80.0, 1.2 for K, d, n. Dihedral type 2
|
|||
would be computed with a {helix} potential with coefficients 10.0,
|
||||
10.0, 10.0 for A, B, C.
|
||||
|
||||
[Restrictions:]
|
||||
A dihedral style of {none} can be specified as an argument to
|
||||
dihedral_style hybrid and the corresponding dihedral_coeff commands,
|
||||
if you desire to turn off certain dihedral types.
|
||||
|
||||
Dihedral styles can only be set for atom styles that allow dihedrals to be
|
||||
defined.
|
||||
|
||||
This dihedral style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
[Restrictions:] none
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -37,14 +37,7 @@ or <A HREF = "read_restart.html">read_restart</A> commands:
|
|||
<LI>A4 (energy)
|
||||
<LI>A5 (energy)
|
||||
</UL>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Dihedral styles can only be set for atom styles that allow dihedrals to be
|
||||
defined.
|
||||
</P>
|
||||
<P>This dihedral style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -34,14 +34,7 @@ A3 (energy)
|
|||
A4 (energy)
|
||||
A5 (energy) :ul
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
Dihedral styles can only be set for atom styles that allow dihedrals to be
|
||||
defined.
|
||||
|
||||
This dihedral style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
[Restrictions:] none
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -25,10 +25,7 @@
|
|||
computed, even if quadruplets of dihedral atoms were listed in the
|
||||
data file read by the <A HREF = "read_data.html">read_data</A> command.
|
||||
</P>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Dihedral styles can only be set for atom styles that allow dihedrals
|
||||
to be defined.
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P><B>Related commands:</B> none
|
||||
</P>
|
||||
|
|
|
@ -22,10 +22,7 @@ Using an dihedral style of none means dihedral forces are not
|
|||
computed, even if quadruplets of dihedral atoms were listed in the
|
||||
data file read by the "read_data"_read_data.html command.
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
Dihedral styles can only be set for atom styles that allow dihedrals
|
||||
to be defined.
|
||||
[Restrictions:] none
|
||||
|
||||
[Related commands:] none
|
||||
|
||||
|
|
|
@ -41,14 +41,7 @@ or <A HREF = "read_restart.html">read_restart</A> commands:
|
|||
<LI>K3 (energy)
|
||||
<LI>K4 (energy)
|
||||
</UL>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Dihedral styles can only be set for atom styles that allow dihedrals to be
|
||||
defined.
|
||||
</P>
|
||||
<P>This dihedral style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -38,14 +38,7 @@ K2 (energy)
|
|||
K3 (energy)
|
||||
K4 (energy) :ul
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
Dihedral styles can only be set for atom styles that allow dihedrals to be
|
||||
defined.
|
||||
|
||||
This dihedral style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
[Restrictions:] none
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -62,8 +62,9 @@ specified by the associated <A HREF = "improper_coeff.html">improper_coeff</A> c
|
|||
<P>Improper styles can only be set for atom_style choices that allow
|
||||
impropers to be defined.
|
||||
</P>
|
||||
<P>Improper styles are part of the "molecular" package. They are only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
<P>Improper styles are part of the "molecular" package or other packages
|
||||
as noted in their documentation. They are only enabled if LAMMPS was
|
||||
built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
|
|
|
@ -59,8 +59,9 @@ specified by the associated "improper_coeff"_improper_coeff.html command:
|
|||
Improper styles can only be set for atom_style choices that allow
|
||||
impropers to be defined.
|
||||
|
||||
Improper styles are part of the "molecular" package. They are only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
Improper styles are part of the "molecular" package or other packages
|
||||
as noted in their documentation. They are only enabled if LAMMPS was
|
||||
built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
|
||||
[Related commands:]
|
||||
|
|
|
@ -32,6 +32,8 @@ subscripts on the various theta's refer to different combinations of
|
|||
atoms i,j,k,l used to form the angle; theta1, theta2, theta3 are the
|
||||
equilibrium positions of those angles.
|
||||
</P>
|
||||
<P>See <A HREF = "#Sun">(Sun)</A> for a description of the COMPASS class2 force field.
|
||||
</P>
|
||||
<P>The following coefficients must be defined for each improper type via the
|
||||
<A HREF = "improper_coeff.html">improper_coeff</A> command as in the example above, or in
|
||||
the data file or restart files read by the <A HREF = "read_data.html">read_data</A>
|
||||
|
@ -62,9 +64,6 @@ radians internally; hence the units of M are in energy/radian^2.
|
|||
</P>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Improper styles can only be set for atom styles that allow impropers to be
|
||||
defined.
|
||||
</P>
|
||||
<P>This improper style is part of the "class2" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
|
@ -75,4 +74,10 @@ LAMMPS</A> section for more info.
|
|||
</P>
|
||||
<P><B>Default:</B> none
|
||||
</P>
|
||||
<HR>
|
||||
|
||||
<A NAME = "Sun"></A>
|
||||
|
||||
<P><B>(Sun)</B> Sun, J Phys Chem B 102, 7338-7364 (1998).
|
||||
</P>
|
||||
</HTML>
|
||||
|
|
|
@ -29,6 +29,8 @@ subscripts on the various theta's refer to different combinations of
|
|||
atoms i,j,k,l used to form the angle; theta1, theta2, theta3 are the
|
||||
equilibrium positions of those angles.
|
||||
|
||||
See "(Sun)"_#Sun for a description of the COMPASS class2 force field.
|
||||
|
||||
The following coefficients must be defined for each improper type via the
|
||||
"improper_coeff"_improper_coeff.html command as in the example above, or in
|
||||
the data file or restart files read by the "read_data"_read_data.html
|
||||
|
@ -59,9 +61,6 @@ radians internally; hence the units of M are in energy/radian^2.
|
|||
|
||||
[Restrictions:]
|
||||
|
||||
Improper styles can only be set for atom styles that allow impropers to be
|
||||
defined.
|
||||
|
||||
This improper style is part of the "class2" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
|
@ -71,3 +70,8 @@ LAMMPS"_Section_start.html#2_2 section for more info.
|
|||
"improper_coeff"_improper_coeff.html
|
||||
|
||||
[Default:] none
|
||||
|
||||
:line
|
||||
|
||||
:link(Sun)
|
||||
[(Sun)] Sun, J Phys Chem B 102, 7338-7364 (1998).
|
||||
|
|
|
@ -37,14 +37,7 @@ or <A HREF = "read_restart.html">read_restart</A> commands:
|
|||
<LI>d (+1 or -1)
|
||||
<LI>n (0,1,2,3,4,6)
|
||||
</UL>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Improper styles can only be set for atom styles that allow impropers to be
|
||||
defined.
|
||||
</P>
|
||||
<P>This improper style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -34,14 +34,7 @@ K (energy)
|
|||
d (+1 or -1)
|
||||
n (0,1,2,3,4,6) :ul
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
Improper styles can only be set for atom styles that allow impropers to be
|
||||
defined.
|
||||
|
||||
This improper style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
[Restrictions:] none
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -40,14 +40,7 @@ or <A HREF = "read_restart.html">read_restart</A> commands:
|
|||
<P>X0 is specified in degrees, but LAMMPS converts it to radians
|
||||
internally; hence the units of K are in energy/radian^2.
|
||||
</P>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Improper styles can only be set for atom styles that allow impropers to be
|
||||
defined.
|
||||
</P>
|
||||
<P>This improper style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -37,14 +37,7 @@ X0 (degrees) :ul
|
|||
X0 is specified in degrees, but LAMMPS converts it to radians
|
||||
internally; hence the units of K are in energy/radian^2.
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
Improper styles can only be set for atom styles that allow impropers to be
|
||||
defined.
|
||||
|
||||
This improper style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
[Restrictions:] none
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -41,14 +41,11 @@ potential with coefficients 120.0, 30 for K, X0. Improper type 2
|
|||
would be computed with a <I>cvff</I> potential with coefficients 20.0, -1,
|
||||
2 for K, d, n.
|
||||
</P>
|
||||
<P><B>Restrictions:</B>
|
||||
<P>An improper style of <I>none</I> can be specified as an argument to
|
||||
improper_style hybrid and the corresponding improper_coeff commands,
|
||||
if you desire to turn off certain improper types.
|
||||
</P>
|
||||
<P>Improper styles can only be set for atom styles that allow impropers to be
|
||||
defined.
|
||||
</P>
|
||||
<P>This improper style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -38,14 +38,11 @@ potential with coefficients 120.0, 30 for K, X0. Improper type 2
|
|||
would be computed with a {cvff} potential with coefficients 20.0, -1,
|
||||
2 for K, d, n.
|
||||
|
||||
[Restrictions:]
|
||||
An improper style of {none} can be specified as an argument to
|
||||
improper_style hybrid and the corresponding improper_coeff commands,
|
||||
if you desire to turn off certain improper types.
|
||||
|
||||
Improper styles can only be set for atom styles that allow impropers to be
|
||||
defined.
|
||||
|
||||
This improper style is part of the "molecular" package. It is only
|
||||
enabled if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
[Restrictions:] none
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -25,10 +25,7 @@
|
|||
computed, even if quadruplets of improper atoms were listed in the
|
||||
data file read by the <A HREF = "read_data.html">read_data</A> command.
|
||||
</P>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>Improper styles can only be set for atom styles that allow impropers
|
||||
to be defined.
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P><B>Related commands:</B> none
|
||||
</P>
|
||||
|
|
|
@ -22,10 +22,7 @@ Using an improper style of none means improper forces are not
|
|||
computed, even if quadruplets of improper atoms were listed in the
|
||||
data file read by the "read_data"_read_data.html command.
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
Improper styles can only be set for atom styles that allow impropers
|
||||
to be defined.
|
||||
[Restrictions:] none
|
||||
|
||||
[Related commands:] none
|
||||
|
||||
|
|
|
@ -15,20 +15,22 @@
|
|||
</P>
|
||||
<PRE>next variables
|
||||
</PRE>
|
||||
<UL><LI>variables = one or more lower-case single-character variable names
|
||||
<UL><LI>variables = one or more variable names
|
||||
</UL>
|
||||
<P><B>Examples:</B>
|
||||
</P>
|
||||
<PRE>next x
|
||||
next a t x
|
||||
next a t x myTemp
|
||||
</PRE>
|
||||
<P><B>Description:</B>
|
||||
</P>
|
||||
<P>This command is used with variables defined by the
|
||||
<A HREF = "variable.html">variable</A> command. It assigns the next value to the
|
||||
variable from the variable's list, so that when $X is subsequently
|
||||
substituted for in an input script command, the new value is used. X
|
||||
is a single lower-case character from "a" to "z".
|
||||
variable from the variable's list, so that when a variable is
|
||||
subsequently substituted for in an input script command, the new value
|
||||
is used. If a variable name is a single lower-case character from "a"
|
||||
to "z", it can be used in an input script command as $a or $z. If it
|
||||
is multiple letters, it can be used as $<I>myTemp</I>.
|
||||
</P>
|
||||
<P>All variables in a single next command must be the same style:
|
||||
<I>index</I>, <I>loop</I>, or <I>universe</I>. <I>Equal</I>- or <I>world</I>-style variables
|
||||
|
|
12
doc/next.txt
12
doc/next.txt
|
@ -12,20 +12,22 @@ next command :h3
|
|||
|
||||
next variables :pre
|
||||
|
||||
variables = one or more lower-case single-character variable names :ul
|
||||
variables = one or more variable names :ul
|
||||
|
||||
[Examples:]
|
||||
|
||||
next x
|
||||
next a t x :pre
|
||||
next a t x myTemp :pre
|
||||
|
||||
[Description:]
|
||||
|
||||
This command is used with variables defined by the
|
||||
"variable"_variable.html command. It assigns the next value to the
|
||||
variable from the variable's list, so that when $X is subsequently
|
||||
substituted for in an input script command, the new value is used. X
|
||||
is a single lower-case character from "a" to "z".
|
||||
variable from the variable's list, so that when a variable is
|
||||
subsequently substituted for in an input script command, the new value
|
||||
is used. If a variable name is a single lower-case character from "a"
|
||||
to "z", it can be used in an input script command as $a or $z. If it
|
||||
is multiple letters, it can be used as ${myTemp}.
|
||||
|
||||
All variables in a single next command must be the same style:
|
||||
{index}, {loop}, or {universe}. {Equal}- or {world}-style variables
|
||||
|
|
|
@ -151,6 +151,9 @@ those interactions.
|
|||
</UL>
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
<P>Not all pair styles support mixing. See the doc page for individual
|
||||
pair styles for details.
|
||||
</P>
|
||||
<P>You cannot use <I>shift</I> yes with <I>tail</I> yes, since those are
|
||||
conflicting options.
|
||||
</P>
|
||||
|
|
|
@ -145,6 +145,9 @@ those interactions. :l,ule
|
|||
|
||||
[Restrictions:] none
|
||||
|
||||
Not all pair styles support mixing. See the doc page for individual
|
||||
pair styles for details.
|
||||
|
||||
You cannot use {shift} yes with {tail} yes, since those are
|
||||
conflicting options.
|
||||
|
||||
|
|
|
@ -86,6 +86,10 @@ pair_style command.
|
|||
</P>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>The <I>buck</I> potentials do not support the
|
||||
<A HREF = "pair_modify.hmtl">pair_modify</A> <I>mix</I> option. Coefficients for all i,j
|
||||
pairs must be specified explicitly.
|
||||
</P>
|
||||
<P>The <I>buck/coul/long</I> style is part of the "kspace" package. It is
|
||||
only enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
|
|
|
@ -80,6 +80,10 @@ pair_style command.
|
|||
|
||||
[Restrictions:]
|
||||
|
||||
The {buck} potentials do not support the
|
||||
"pair_modify"_pair_modify.hmtl {mix} option. Coefficients for all i,j
|
||||
pairs must be specified explicitly.
|
||||
|
||||
The {buck/coul/long} style is part of the "kspace" package. It is
|
||||
only enabled if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
|
|
|
@ -54,7 +54,9 @@ pair_coeff 1 1 100.0 2.0 150.0 3.5
|
|||
<P>The <I>lj/charmm</I> styles compute LJ and Coulombic interactions with an
|
||||
additional switching function S(r) that ramps the energy and force
|
||||
smoothly to zero between an inner and outer cuoff. It is a widely
|
||||
used option in the CHARMM MD code.
|
||||
used potential in the <A HREF = "http://www.scripps.edu/brooks">CHARMM</A> MD code.
|
||||
See <A HREF = "#MacKerell">(MacKerell)</A> for a description of the CHARMM force
|
||||
field.
|
||||
</P>
|
||||
<CENTER><IMG SRC = "Eqs/pair_charmm.jpg">
|
||||
</CENTER>
|
||||
|
@ -122,4 +124,11 @@ pages for workarounds on this issue.
|
|||
</P>
|
||||
<P><B>Default:</B> none
|
||||
</P>
|
||||
<HR>
|
||||
|
||||
<A NAME = "MacKerell"></A>
|
||||
|
||||
<P><B>(MacKerell)</B> MacKerell, Bashford, Bellott, Dunbrack, Evanseck, Field,
|
||||
Fischer, Gao, Guo, Ha, et al, J Phys Chem, 102, 3586 (1998).
|
||||
</P>
|
||||
</HTML>
|
||||
|
|
|
@ -48,7 +48,9 @@ pair_coeff 1 1 100.0 2.0 150.0 3.5 :pre
|
|||
The {lj/charmm} styles compute LJ and Coulombic interactions with an
|
||||
additional switching function S(r) that ramps the energy and force
|
||||
smoothly to zero between an inner and outer cuoff. It is a widely
|
||||
used option in the CHARMM MD code.
|
||||
used potential in the "CHARMM"_http://www.scripps.edu/brooks MD code.
|
||||
See "(MacKerell)"_#MacKerell for a description of the CHARMM force
|
||||
field.
|
||||
|
||||
:c,image(Eqs/pair_charmm.jpg)
|
||||
|
||||
|
@ -115,3 +117,9 @@ pages for workarounds on this issue.
|
|||
"pair_coeff"_pair_coeff.html
|
||||
|
||||
[Default:] none
|
||||
|
||||
:line
|
||||
|
||||
:link(MacKerell)
|
||||
[(MacKerell)] MacKerell, Bashford, Bellott, Dunbrack, Evanseck, Field,
|
||||
Fischer, Gao, Guo, Ha, et al, J Phys Chem, 102, 3586 (1998).
|
||||
|
|
|
@ -60,6 +60,8 @@ pair_coeff 1 1 100.0 3.5 9.0
|
|||
Coulombic term as described for the <A HREF = "pair_style_lj.html">lj/cut</A> pair
|
||||
styles.
|
||||
</P>
|
||||
<P>See <A HREF = "#Sun">(Sun)</A> for a description of the COMPASS class2 force field.
|
||||
</P>
|
||||
<P>The following coefficients must be defined for each pair of atoms
|
||||
types via the <A HREF = "pair_coeff.html">pair_coeff</A> command as in the examples
|
||||
above, or in the data file or restart files read by the
|
||||
|
@ -101,4 +103,10 @@ pages for workarounds on this issue.
|
|||
</P>
|
||||
<P><B>Default:</B> none
|
||||
</P>
|
||||
<HR>
|
||||
|
||||
<A NAME = "Sun"></A>
|
||||
|
||||
<P><B>(Sun)</B> Sun, J Phys Chem B 102, 7338-7364 (1998).
|
||||
</P>
|
||||
</HTML>
|
||||
|
|
|
@ -54,6 +54,8 @@ The {lj/class2/coul/cut} and {lj/class2/coul/long} styles add a
|
|||
Coulombic term as described for the "lj/cut"_pair_style_lj.html pair
|
||||
styles.
|
||||
|
||||
See "(Sun)"_#Sun for a description of the COMPASS class2 force field.
|
||||
|
||||
The following coefficients must be defined for each pair of atoms
|
||||
types via the "pair_coeff"_pair_coeff.html command as in the examples
|
||||
above, or in the data file or restart files read by the
|
||||
|
@ -94,3 +96,8 @@ pages for workarounds on this issue.
|
|||
"pair_coeff"_pair_coeff.html
|
||||
|
||||
[Default:] none
|
||||
|
||||
:line
|
||||
|
||||
:link(Sun)
|
||||
[(Sun)] Sun, J Phys Chem B 102, 7338-7364 (1998).
|
||||
|
|
|
@ -62,6 +62,10 @@ command so it does not need to be specified.
|
|||
was built with those package. See the <A HREF = "Section_start.html#2_2">Making
|
||||
LAMMPS</A> section for more info.
|
||||
</P>
|
||||
<P>The <I>dpd</I> potential does not support the
|
||||
<A HREF = "pair_modify.hmtl">pair_modify</A> <I>mix</I> option. Coefficients for all i,j
|
||||
pairs must be specified explicitly.
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
<P><A HREF = "pair_coeff.html">pair_coeff</A>
|
||||
|
|
|
@ -59,6 +59,10 @@ This style is part of the "dpd" package. It is only enabled if LAMMPS
|
|||
was built with those package. See the "Making
|
||||
LAMMPS"_Section_start.html#2_2 section for more info.
|
||||
|
||||
The {dpd} potential does not support the
|
||||
"pair_modify"_pair_modify.hmtl {mix} option. Coefficients for all i,j
|
||||
pairs must be specified explicitly.
|
||||
|
||||
[Related commands:]
|
||||
|
||||
"pair_coeff"_pair_coeff.html
|
||||
|
|
|
@ -57,13 +57,13 @@ Several DYNAMO potential files for different metals are included in
|
|||
the "potentials" directory of the LAMMPS distribution.
|
||||
</P>
|
||||
<P>IMPORTANT NOTE: The <I>eam</I> style reads single-element EAM potentials in
|
||||
the DYNAMO <I>funcfl</I> format. Single element or alloy systems can be
|
||||
modeled with <I>funcfl</I> files and style <I>eam</I>; for the alloy case LAMMPS
|
||||
mixes the single-element potentials to produce alloy potentials the
|
||||
same way that DYNAMO does. Alternatively, DYNAMO <I>setfl</I> files can be
|
||||
used by LAMMPS to model alloy systems by invoking the <I>eam/alloy</I>
|
||||
style as described below. <I>Setfl</I> files require no mixing as they
|
||||
specify alloy interactions explicitly.
|
||||
the DYNAMO <I>funcfl</I> format. Either single element or alloy systems
|
||||
can be modeled with <I>funcfl</I> files and style <I>eam</I>. For the alloy
|
||||
case LAMMPS mixes the single-element potentials to produce alloy
|
||||
potentials the same way that DYNAMO does. Alternatively, DYNAMO
|
||||
<I>setfl</I> files can be used by LAMMPS to model alloy systems by invoking
|
||||
the <I>eam/alloy</I> style as described below. <I>Setfl</I> files require no
|
||||
mixing since they specify alloy interactions explicitly.
|
||||
</P>
|
||||
<P>For style <I>eam</I>, potential values are read from a file that is in the
|
||||
DYNAMO single-element <I>funcfl</I> format. If the DYNAMO file was created
|
||||
|
@ -93,8 +93,8 @@ same way that the serial DYANMO code originally did it; you do not
|
|||
need to specify coefficients for these type pairs.
|
||||
</P>
|
||||
<P>There are several <I>funcl</I> files in the <I>potentials</I> directory of the
|
||||
LAMMPS distribution. A DYNAMO single-element <I>funcfl</I> file is
|
||||
formatted as follows:
|
||||
LAMMPS distribution, with the suffix ".eam". A DYNAMO single-element
|
||||
<I>funcfl</I> file is formatted as follows:
|
||||
</P>
|
||||
<UL><LI>line 1: comment (ignored)
|
||||
<LI>line 2: atomic number, mass, lattice constant, lattice type (e.g. FCC)
|
||||
|
@ -152,13 +152,15 @@ and the 4th to be Al, you would use the following pair_coeff command:
|
|||
</PRE>
|
||||
<P>The 1st 2 arguments must be * * so as to span all LAMMPS atom types.
|
||||
The first three "1" values map LAMMPS atom types 1,2,3 to the 1st
|
||||
element (Ni) in the <I>setfl</I> file. The final "2" value maps LAMMPS atom
|
||||
type 4 to the 2nd element = Al. If a mapping value is "0", the
|
||||
mapping is not performed. This is useful when EAM potentials are part
|
||||
of the <I>hybrid</I> pair style, to represent non-EAM atom types.
|
||||
element (Ni) in the <I>setfl</I> file. The final "2" value maps LAMMPS
|
||||
atom type 4 to the 2nd element = Al. If a mapping value is "0", the
|
||||
mapping is not performed. This can be used when an <I>eam/alloy</I>
|
||||
potential is used as part of the <I>hybrid</I> pair style. The 0 values
|
||||
are used as placeholders for atom types that will be used with other
|
||||
potentials.
|
||||
</P>
|
||||
<P>There is one <I>setfl</I> file (nialhjea) in the <I>potentials</I> directory of
|
||||
the LAMMPS distribution. A DYNAMO multi-element <I>setfl</I> file is
|
||||
<P><I>Setfl</I> files in the <I>potentials</I> directory of the LAMMPS distribution
|
||||
have a ".eam.alloy" suffix. A DYNAMO multi-element <I>setfl</I> file is
|
||||
formatted as follows:
|
||||
</P>
|
||||
<UL><LI>lines 1,2,3 = comments (ignored)
|
||||
|
@ -223,16 +225,20 @@ same as for style <I>eam/alloy</I>, e.g.
|
|||
</PRE>
|
||||
<P>where there are N additional arguments after the filename, where N is
|
||||
the number of LAMMPS atom types. The N values determine the mapping
|
||||
of LAMMPS atom types to EAM elements in the file, as described in
|
||||
style <I>eam/alloy</I>.
|
||||
of LAMMPS atom types to EAM elements in the file, as described above
|
||||
for style <I>eam/alloy</I>. As with <I>eam/alloy</I>, if a mapping value is
|
||||
"0", the mapping is not performed. This can be used when an <I>eam/fs</I>
|
||||
potential is used as part of the <I>hybrid</I> pair style. The 0 values
|
||||
are used as placeholders for atom types that will be used with other
|
||||
potentials.
|
||||
</P>
|
||||
<P>The difference is that files read by <I>eam/fs</I> are in a more general
|
||||
format than the DYNAMO <I>setfl</I> format read by <I>eam/alloy</I>, so that the
|
||||
i,j density functionals for all pairs of elements are included as
|
||||
needed by the Finnis/Sinclair formulation of the EAM.
|
||||
<P>FS EAM files include more information than the DYNAMO <I>setfl</I> format
|
||||
files read by <I>eam/alloy</I>, so that the i,j density functionals for all
|
||||
pairs of elements are included as needed by the Finnis/Sinclair
|
||||
formulation of the EAM.
|
||||
</P>
|
||||
<P>There is one FS file (nialhjea_FS) in the <I>potentials</I> directory of
|
||||
the LAMMPS distribution. It is formatted as follows:
|
||||
<P>FS EAM files in the <I>potentials</I> directory of the LAMMPS distribution
|
||||
have a ".eam.fs" suffix. Ther are formatted as follows:
|
||||
</P>
|
||||
<UL><LI>lines 1,2,3 = comments (ignored)
|
||||
<LI>line 4: Nelements = # of elements in the file
|
||||
|
|
|
@ -52,13 +52,13 @@ Several DYNAMO potential files for different metals are included in
|
|||
the "potentials" directory of the LAMMPS distribution.
|
||||
|
||||
IMPORTANT NOTE: The {eam} style reads single-element EAM potentials in
|
||||
the DYNAMO {funcfl} format. Single element or alloy systems can be
|
||||
modeled with {funcfl} files and style {eam}; for the alloy case LAMMPS
|
||||
mixes the single-element potentials to produce alloy potentials the
|
||||
same way that DYNAMO does. Alternatively, DYNAMO {setfl} files can be
|
||||
used by LAMMPS to model alloy systems by invoking the {eam/alloy}
|
||||
style as described below. {Setfl} files require no mixing as they
|
||||
specify alloy interactions explicitly.
|
||||
the DYNAMO {funcfl} format. Either single element or alloy systems
|
||||
can be modeled with {funcfl} files and style {eam}. For the alloy
|
||||
case LAMMPS mixes the single-element potentials to produce alloy
|
||||
potentials the same way that DYNAMO does. Alternatively, DYNAMO
|
||||
{setfl} files can be used by LAMMPS to model alloy systems by invoking
|
||||
the {eam/alloy} style as described below. {Setfl} files require no
|
||||
mixing since they specify alloy interactions explicitly.
|
||||
|
||||
For style {eam}, potential values are read from a file that is in the
|
||||
DYNAMO single-element {funcfl} format. If the DYNAMO file was created
|
||||
|
@ -88,8 +88,8 @@ same way that the serial DYANMO code originally did it; you do not
|
|||
need to specify coefficients for these type pairs.
|
||||
|
||||
There are several {funcl} files in the {potentials} directory of the
|
||||
LAMMPS distribution. A DYNAMO single-element {funcfl} file is
|
||||
formatted as follows:
|
||||
LAMMPS distribution, with the suffix ".eam". A DYNAMO single-element
|
||||
{funcfl} file is formatted as follows:
|
||||
|
||||
line 1: comment (ignored)
|
||||
line 2: atomic number, mass, lattice constant, lattice type (e.g. FCC)
|
||||
|
@ -147,13 +147,15 @@ pair_coeff * * nialhjea 1 1 1 2 :pre
|
|||
|
||||
The 1st 2 arguments must be * * so as to span all LAMMPS atom types.
|
||||
The first three "1" values map LAMMPS atom types 1,2,3 to the 1st
|
||||
element (Ni) in the {setfl} file. The final "2" value maps LAMMPS atom
|
||||
type 4 to the 2nd element = Al. If a mapping value is "0", the
|
||||
mapping is not performed. This is useful when EAM potentials are part
|
||||
of the {hybrid} pair style, to represent non-EAM atom types.
|
||||
element (Ni) in the {setfl} file. The final "2" value maps LAMMPS
|
||||
atom type 4 to the 2nd element = Al. If a mapping value is "0", the
|
||||
mapping is not performed. This can be used when an {eam/alloy}
|
||||
potential is used as part of the {hybrid} pair style. The 0 values
|
||||
are used as placeholders for atom types that will be used with other
|
||||
potentials.
|
||||
|
||||
There is one {setfl} file (nialhjea) in the {potentials} directory of
|
||||
the LAMMPS distribution. A DYNAMO multi-element {setfl} file is
|
||||
{Setfl} files in the {potentials} directory of the LAMMPS distribution
|
||||
have a ".eam.alloy" suffix. A DYNAMO multi-element {setfl} file is
|
||||
formatted as follows:
|
||||
|
||||
lines 1,2,3 = comments (ignored)
|
||||
|
@ -218,16 +220,20 @@ pair_coeff * * filename 1 1 1 2 :pre
|
|||
|
||||
where there are N additional arguments after the filename, where N is
|
||||
the number of LAMMPS atom types. The N values determine the mapping
|
||||
of LAMMPS atom types to EAM elements in the file, as described in
|
||||
style {eam/alloy}.
|
||||
of LAMMPS atom types to EAM elements in the file, as described above
|
||||
for style {eam/alloy}. As with {eam/alloy}, if a mapping value is
|
||||
"0", the mapping is not performed. This can be used when an {eam/fs}
|
||||
potential is used as part of the {hybrid} pair style. The 0 values
|
||||
are used as placeholders for atom types that will be used with other
|
||||
potentials.
|
||||
|
||||
The difference is that files read by {eam/fs} are in a more general
|
||||
format than the DYNAMO {setfl} format read by {eam/alloy}, so that the
|
||||
i,j density functionals for all pairs of elements are included as
|
||||
needed by the Finnis/Sinclair formulation of the EAM.
|
||||
FS EAM files include more information than the DYNAMO {setfl} format
|
||||
files read by {eam/alloy}, so that the i,j density functionals for all
|
||||
pairs of elements are included as needed by the Finnis/Sinclair
|
||||
formulation of the EAM.
|
||||
|
||||
There is one FS file (nialhjea_FS) in the {potentials} directory of
|
||||
the LAMMPS distribution. It is formatted as follows:
|
||||
FS EAM files in the {potentials} directory of the LAMMPS distribution
|
||||
have a ".eam.fs" suffix. Ther are formatted as follows:
|
||||
|
||||
lines 1,2,3 = comments (ignored)
|
||||
line 4: Nelements = # of elements in the file
|
||||
|
|
|
@ -43,16 +43,31 @@ by its arguments, as illustrated in the example above.
|
|||
and the remaining coefficients are those appropriate to that style.
|
||||
For example, consider a simulation with 3 atom types: types 1 and 2
|
||||
are Ni atoms, type 3 are LJ atoms with charges. The following
|
||||
commands would set up the hybrid simulation:
|
||||
commands would set up a hybrid simulation:
|
||||
</P>
|
||||
<PRE>atom_style hybrid eam charge
|
||||
pair_style hybrid eam lj/cut/coul/cut 10.0 lj/cut 8.0
|
||||
pair_coeff 1*2 1*2 eam niu3
|
||||
<PRE>pair_style hybrid eam/alloy lj/cut/coul/cut 10.0 lj/cut 8.0
|
||||
pair_coeff * * eam/alloy nialhjea 1 1 0
|
||||
pair_coeff 3 3 lj/cut/coul/cut 1.0 1.0
|
||||
pair_coeff 1*2 3 lj/cut 0.5 1.2
|
||||
pair_coeff 1*2 3 lj/cut 0.8 1.1
|
||||
</PRE>
|
||||
<P>The <A HREF = "atom_style.html">atom_style</A> hybrid command is needed because
|
||||
atoms in the simulation will have both EAM and charge attributes.
|
||||
<P>Note that as with any pair_style, coeffs must be defined for all I,J
|
||||
interactions. If the sub-style allows for mixing (see the
|
||||
<A HREF = "pair_modify.html">pair_modify</A> command), then I,J interactions between
|
||||
atom types which both are assigned to that sub-style do not need to be
|
||||
specified. I.e. if atom types 1 and 2 are both computed with <I>lj/cut</I>
|
||||
and coeffs for 1,1 and 2,2 interactions are specified, then coeffs for
|
||||
1,2 interactions will be generated automatically via mixing.
|
||||
</P>
|
||||
<P>If the pair_coeff command for a sub-style requires the use of * * as
|
||||
atom type arguments (e.g. the <I>eam/alloy</I> example above), then it will
|
||||
also include trailing arguments which map atom types to elements in
|
||||
the potential. These mapping arguments should be specified as 0 if
|
||||
the sub-style is not being applied to certain atom types.
|
||||
</P>
|
||||
<P>Note that you may also need to use an <A HREF = "atom_style.html">atom_style</A>
|
||||
hybrid command in your input script, if atoms in the simulation will
|
||||
have attributes from several atom styles, due to using multiple pair
|
||||
potentials.
|
||||
</P>
|
||||
<P><B>Restrictions:</B> none
|
||||
</P>
|
||||
|
@ -64,9 +79,16 @@ than one sub-style with a "long" component, but you must insure that
|
|||
the short-range Coulombic cutoff used by each of these pair styles is
|
||||
consistent. Else the long-range Coulombic solve will be inconsistent.
|
||||
</P>
|
||||
<P>A pair style of <I>none</I> can be specified as an argument to pair_style
|
||||
hybrid and the corresponding pair_coeff commands, if you desire to
|
||||
turn off pairwise interactions between certain pairs of atom types.
|
||||
</P>
|
||||
<P>The hybrid style cannot include any of the <I>granular</I> styles in its
|
||||
list of styles to use. Only one <I>coul/long</I> style can be used in the
|
||||
list of hybrid styles.
|
||||
list of styles to use.
|
||||
</P>
|
||||
<P>If you use multiple <I>coul/long</I> pair styles along with a <A HREF = "kspace_style.html">kspace
|
||||
style</A>, then you should make sure the pairwise
|
||||
Coulombic cutoff is the same for all the pair styles.
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -40,16 +40,31 @@ In the pair_coeff command, the first coefficient sets the pair style
|
|||
and the remaining coefficients are those appropriate to that style.
|
||||
For example, consider a simulation with 3 atom types: types 1 and 2
|
||||
are Ni atoms, type 3 are LJ atoms with charges. The following
|
||||
commands would set up the hybrid simulation:
|
||||
commands would set up a hybrid simulation:
|
||||
|
||||
atom_style hybrid eam charge
|
||||
pair_style hybrid eam lj/cut/coul/cut 10.0 lj/cut 8.0
|
||||
pair_coeff 1*2 1*2 eam niu3
|
||||
pair_style hybrid eam/alloy lj/cut/coul/cut 10.0 lj/cut 8.0
|
||||
pair_coeff * * eam/alloy nialhjea 1 1 0
|
||||
pair_coeff 3 3 lj/cut/coul/cut 1.0 1.0
|
||||
pair_coeff 1*2 3 lj/cut 0.5 1.2 :pre
|
||||
pair_coeff 1*2 3 lj/cut 0.8 1.1 :pre
|
||||
|
||||
The "atom_style"_atom_style.html hybrid command is needed because
|
||||
atoms in the simulation will have both EAM and charge attributes.
|
||||
Note that as with any pair_style, coeffs must be defined for all I,J
|
||||
interactions. If the sub-style allows for mixing (see the
|
||||
"pair_modify"_pair_modify.html command), then I,J interactions between
|
||||
atom types which both are assigned to that sub-style do not need to be
|
||||
specified. I.e. if atom types 1 and 2 are both computed with {lj/cut}
|
||||
and coeffs for 1,1 and 2,2 interactions are specified, then coeffs for
|
||||
1,2 interactions will be generated automatically via mixing.
|
||||
|
||||
If the pair_coeff command for a sub-style requires the use of * * as
|
||||
atom type arguments (e.g. the {eam/alloy} example above), then it will
|
||||
also include trailing arguments which map atom types to elements in
|
||||
the potential. These mapping arguments should be specified as 0 if
|
||||
the sub-style is not being applied to certain atom types.
|
||||
|
||||
Note that you may also need to use an "atom_style"_atom_style.html
|
||||
hybrid command in your input script, if atoms in the simulation will
|
||||
have attributes from several atom styles, due to using multiple pair
|
||||
potentials.
|
||||
|
||||
[Restrictions:] none
|
||||
|
||||
|
@ -61,9 +76,16 @@ than one sub-style with a "long" component, but you must insure that
|
|||
the short-range Coulombic cutoff used by each of these pair styles is
|
||||
consistent. Else the long-range Coulombic solve will be inconsistent.
|
||||
|
||||
A pair style of {none} can be specified as an argument to pair_style
|
||||
hybrid and the corresponding pair_coeff commands, if you desire to
|
||||
turn off pairwise interactions between certain pairs of atom types.
|
||||
|
||||
The hybrid style cannot include any of the {granular} styles in its
|
||||
list of styles to use. Only one {coul/long} style can be used in the
|
||||
list of hybrid styles.
|
||||
list of styles to use.
|
||||
|
||||
If you use multiple {coul/long} pair styles along with a "kspace
|
||||
style"_kspace_style.html, then you should make sure the pairwise
|
||||
Coulombic cutoff is the same for all the pair styles.
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -45,7 +45,11 @@ commands:
|
|||
<P>The last coefficient is optional. If not specified, the global morse
|
||||
cutoff is used.
|
||||
</P>
|
||||
<P><B>Restrictions:</B> none
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>The <I>morse</I> potential does not support the
|
||||
<A HREF = "pair_modify.hmtl">pair_modify</A> <I>mix</I> option. Coefficients for all i,j
|
||||
pairs must be specified explicitly.
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -42,7 +42,11 @@ cutoff (distance units) :ul
|
|||
The last coefficient is optional. If not specified, the global morse
|
||||
cutoff is used.
|
||||
|
||||
[Restrictions:] none
|
||||
[Restrictions:]
|
||||
|
||||
The {morse} potential does not support the
|
||||
"pair_modify"_pair_modify.hmtl {mix} option. Coefficients for all i,j
|
||||
pairs must be specified explicitly.
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -140,7 +140,11 @@ from one line to the next (unless the BITMAP parameter is specified).
|
|||
potential. LAMMPS reads the file section by section until it finds
|
||||
one that matches the specified keyword.
|
||||
</P>
|
||||
<P><B>Restrictions:</B> none
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>The <I>table</I> potential does not support the
|
||||
<A HREF = "pair_modify.hmtl">pair_modify</A> <I>mix</I> option. Coefficients for all i,j
|
||||
pairs must be specified explicitly.
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -137,7 +137,11 @@ Note that one file can contain many sections, each with a tabulated
|
|||
potential. LAMMPS reads the file section by section until it finds
|
||||
one that matches the specified keyword.
|
||||
|
||||
[Restrictions:] none
|
||||
[Restrictions:]
|
||||
|
||||
The {table} potential does not support the
|
||||
"pair_modify"_pair_modify.hmtl {mix} option. Coefficients for all i,j
|
||||
pairs must be specified explicitly.
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -245,8 +245,8 @@ quantity:
|
|||
<P>Any quantity that is used by the atom style appears in the order
|
||||
listed above. Thus if the atom style is <I>atomic</I>, an atom line should
|
||||
have 5 quantities: atom-ID, type-ID, x, y, z. If the atom style is
|
||||
<I>hybrid eam dipole molecular</I>, then an atom line should have 10
|
||||
quantites: atom-ID, molecule-ID, type-ID, q, x, y, z, mux, muy, muz.
|
||||
<I>hybrid dipole molecular</I>, then an atom line should have 10 quantites:
|
||||
atom-ID, molecule-ID, type-ID, q, x, y, z, mux, muy, muz.
|
||||
</P>
|
||||
<P>The units for these quantities depend on the unit style; see the
|
||||
<A HREF = "units.html">units</A> command for details.
|
||||
|
@ -261,8 +261,8 @@ will cause extra memory to be allocated on each processor, if an atom
|
|||
map array is used (see the <A HREF = "atom_modify.html">atom_modify</A> command).
|
||||
If an atom map array is not used (e.g. an atomic system with no
|
||||
bonds), velocities are not assigned in the data file, and you don't
|
||||
care if unique atom IDs appear in dump files, then IDs can be set to
|
||||
non-unique values > 0.
|
||||
care if unique atom IDs appear in dump files, then the atom-IDs can all
|
||||
be set to 0.
|
||||
</P>
|
||||
<P>The molecule ID is a 2nd identifier attached to an atom. Normally, it
|
||||
is a number from 1 to N, identifying which molecule the atom belongs
|
||||
|
|
|
@ -224,8 +224,8 @@ nx,ny,nz = optional for all styles (see below) :ul
|
|||
Any quantity that is used by the atom style appears in the order
|
||||
listed above. Thus if the atom style is {atomic}, an atom line should
|
||||
have 5 quantities: atom-ID, type-ID, x, y, z. If the atom style is
|
||||
{hybrid eam dipole molecular}, then an atom line should have 10
|
||||
quantites: atom-ID, molecule-ID, type-ID, q, x, y, z, mux, muy, muz.
|
||||
{hybrid dipole molecular}, then an atom line should have 10 quantites:
|
||||
atom-ID, molecule-ID, type-ID, q, x, y, z, mux, muy, muz.
|
||||
|
||||
The units for these quantities depend on the unit style; see the
|
||||
"units"_units.html command for details.
|
||||
|
@ -240,8 +240,8 @@ will cause extra memory to be allocated on each processor, if an atom
|
|||
map array is used (see the "atom_modify"_atom_modify.html command).
|
||||
If an atom map array is not used (e.g. an atomic system with no
|
||||
bonds), velocities are not assigned in the data file, and you don't
|
||||
care if unique atom IDs appear in dump files, then IDs can be set to
|
||||
non-unique values > 0.
|
||||
care if unique atom IDs appear in dump files, then the atom-IDs can all
|
||||
be set to 0.
|
||||
|
||||
The molecule ID is a 2nd identifier attached to an atom. Normally, it
|
||||
is a number from 1 to N, identifying which molecule the atom belongs
|
||||
|
|
|
@ -15,7 +15,7 @@
|
|||
</P>
|
||||
<PRE>variable name style args ...
|
||||
</PRE>
|
||||
<UL><LI>name = single lower-case character, 'a' thru 'z'
|
||||
<UL><LI>name = name of variable to define
|
||||
|
||||
<LI>style = <I>index</I> or <I>loop</I> or <I>equal</I> or <I>world</I> or <I>universe</I>
|
||||
|
||||
|
|
Some files were not shown because too many files have changed in this diff Show More
Loading…
Reference in New Issue