git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@7234 f3b2605a-c512-4ea7-a41b-209d697bcdaa

This commit is contained in:
sjplimp 2011-11-28 17:25:54 +00:00
parent cf631219bc
commit f6c92890f1
10 changed files with 53 additions and 16 deletions

View File

@ -176,7 +176,7 @@ by Argonne National Labs. From within the mpich directory, type
</P>
<PRE>./configure --enable-sharedlib=gcc
<PRE>./configure --enable-shared
make
make install
</PRE>
@ -189,8 +189,8 @@ static and shared MPI library. This will be fine for running LAMMPS
from Python since it only uses the shared library. But if you now try
to build LAMMPS by itself as a stand-alone program (cd lammps/src;
make foo) or build other codes that expect to link against libmpich.a,
then those builds will typically fail if the linker uses libmpich.so
instead. This means you will need to remove the file
then those builds may fail if the linker uses libmpich.so instead. If
this happens, it means you will need to remove the file
/usr/local/lib/libmich.so before building LAMMPS again as a
stand-alone code.
</P>

View File

@ -172,7 +172,7 @@ by Argonne National Labs. From within the mpich directory, type
:link(mpich,http://www-unix.mcs.anl.gov/mpi)
./configure --enable-sharedlib=gcc
./configure --enable-shared
make
make install :pre
@ -185,8 +185,8 @@ static and shared MPI library. This will be fine for running LAMMPS
from Python since it only uses the shared library. But if you now try
to build LAMMPS by itself as a stand-alone program (cd lammps/src;
make foo) or build other codes that expect to link against libmpich.a,
then those builds will typically fail if the linker uses libmpich.so
instead. This means you will need to remove the file
then those builds may fail if the linker uses libmpich.so instead. If
this happens, it means you will need to remove the file
/usr/local/lib/libmich.so before building LAMMPS again as a
stand-alone code.

View File

@ -23,8 +23,8 @@
<LI>fx,fy,fz = force component values (force units)
<LI>any of fx,fy,fz can be a variable (see below)
<PRE> any of fx,fy,fz can be a variable (see below)
</PRE>
<LI>zero or more keyword/value pairs may be appended to args
<LI>keyword = <I>region</I> or <I>energy</I>

View File

@ -16,7 +16,7 @@ fix ID group-ID addforce fx fy fz keyword value ... :pre
ID, group-ID are documented in "fix"_fix.html command :ulb,l
addforce = style name of this fix command :l
fx,fy,fz = force component values (force units) :l
any of fx,fy,fz can be a variable (see below) :l
any of fx,fy,fz can be a variable (see below) :pre
zero or more keyword/value pairs may be appended to args :l
keyword = {region} or {energy} :l
{region} value = region-ID

View File

@ -23,8 +23,8 @@
<LI>fx,fy,fz = force component values (force units)
<LI>any of fx,fy,fz can be a variable (see below)
<PRE> any of fx,fy,fz can be a variable (see below)
</PRE>
<LI>zero or more keyword/value pairs may be appended to args
<LI>keyword = <I>region</I>

View File

@ -16,7 +16,7 @@ fix ID group-ID aveforce fx fy fz keyword value ... :pre
ID, group-ID are documented in "fix"_fix.html command :ulb,l
aveforce = style name of this fix command :l
fx,fy,fz = force component values (force units) :l
any of fx,fy,fz can be a variable (see below) :l
any of fx,fy,fz can be a variable (see below) :pre
zero or more keyword/value pairs may be appended to args :l
keyword = {region} :l
{region} value = region-ID

View File

@ -21,6 +21,8 @@
<LI>Tstart,Tstop = desired temperature at start/end of run (temperature units)
<PRE> Tstart can be a variable (see below)
</PRE>
<LI>damp = damping parameter (time units)
<LI>seed = random number seed to use for white noise (positive integer)
@ -33,7 +35,7 @@
<I>no</I> = do not thermostat rotational degrees of freedom via the angular momentum
<I>yes</I> = do thermostat rotational degrees of freedom via the angular momentum
<I>omega</I> value = <I>no</I> or <I>yes</I>
<I>no</I> = do not thermostat rotational degrees of freedom via then angular velocity
<I>no</I> = do not thermostat rotational degrees of freedom via the angular velocity
<I>yes</I> = do thermostat rotational degrees of freedom via the angular velocity
<I>scale</I> values = type ratio
type = atom type (1-N)
@ -113,6 +115,23 @@ thermostatting.
<P>The desired temperature at each timestep is a ramped value during the
run from <I>Tstart</I> to <I>Tstop</I>.
</P>
<P><I>Tstart</I> can be specified as an equal-style or atom-style
<A HREF = "variable.html">variable</A>. In this case, the <I>Tstop</I> setting is
ignored. If the value is a variable, it should be specified as
v_name, where name is the variable name. In this case, the variable
will be evaluated each timestep, and its value used to determine the
target temperature.
</P>
<P>Equal-style variables can specify formulas with various mathematical
functions, and include <A HREF = "thermo_style.html">thermo_style</A> command
keywords for the simulation box parameters and timestep and elapsed
time. Thus it is easy to specify a time-dependent temperature.
</P>
<P>Atom-style variables can specify the same formulas as equal-style
variables but can also include per-atom values, such as atom
coordinates. Thus it is easy to specify a spatially-dependent
temperature with optional time-dependence as well.
</P>
<P>Like other fixes that perform thermostatting, this fix can be used
with <A HREF = "compute.html">compute commands</A> that remove a "bias" from the
atom velocities. E.g. removing the center-of-mass velocity from a

View File

@ -15,6 +15,7 @@ fix ID group-ID langevin Tstart Tstop damp seed keyword values ... :pre
ID, group-ID are documented in "fix"_fix.html command :ulb,l
langevin = style name of this fix command :l
Tstart,Tstop = desired temperature at start/end of run (temperature units) :l
Tstart can be a variable (see below) :pre
damp = damping parameter (time units) :l
seed = random number seed to use for white noise (positive integer) :l
zero or more keyword/value pairs may be appended :l
@ -23,7 +24,7 @@ keyword = {angmom} or {omega} or {scale} or {tally} or {zero} :l
{no} = do not thermostat rotational degrees of freedom via the angular momentum
{yes} = do thermostat rotational degrees of freedom via the angular momentum
{omega} value = {no} or {yes}
{no} = do not thermostat rotational degrees of freedom via then angular velocity
{no} = do not thermostat rotational degrees of freedom via the angular velocity
{yes} = do thermostat rotational degrees of freedom via the angular velocity
{scale} values = type ratio
type = atom type (1-N)
@ -102,6 +103,23 @@ thermostatting.
The desired temperature at each timestep is a ramped value during the
run from {Tstart} to {Tstop}.
{Tstart} can be specified as an equal-style or atom-style
"variable"_variable.html. In this case, the {Tstop} setting is
ignored. If the value is a variable, it should be specified as
v_name, where name is the variable name. In this case, the variable
will be evaluated each timestep, and its value used to determine the
target temperature.
Equal-style variables can specify formulas with various mathematical
functions, and include "thermo_style"_thermo_style.html command
keywords for the simulation box parameters and timestep and elapsed
time. Thus it is easy to specify a time-dependent temperature.
Atom-style variables can specify the same formulas as equal-style
variables but can also include per-atom values, such as atom
coordinates. Thus it is easy to specify a spatially-dependent
temperature with optional time-dependence as well.
Like other fixes that perform thermostatting, this fix can be used
with "compute commands"_compute.html that remove a "bias" from the
atom velocities. E.g. removing the center-of-mass velocity from a

View File

@ -252,7 +252,7 @@ Phillpot, Phys Rev B, 81, 125328 (2010).
</P>
<A NAME = "Rick"></A>
<P><B>(Rick)</B> S. W. Rick, S. J. Stuart, B. J. Berne, J Chem Phys 101, 16141
<P><B>(Rick)</B> S. W. Rick, S. J. Stuart, B. J. Berne, J Chem Phys 101, 6141
(1994).
</P>
<A NAME = "Wolf"></A>

View File

@ -244,7 +244,7 @@ Phillpot, Phys Rev B, 81, 125328 (2010).
[(Tersoff)] J. Tersoff, Phys Rev B, 37, 6991 (1988).
:link(Rick)
[(Rick)] S. W. Rick, S. J. Stuart, B. J. Berne, J Chem Phys 101, 16141
[(Rick)] S. W. Rick, S. J. Stuart, B. J. Berne, J Chem Phys 101, 6141
(1994).
:link(Wolf)