forked from lijiext/lammps
git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@6843 f3b2605a-c512-4ea7-a41b-209d697bcdaa
This commit is contained in:
parent
094ed8550d
commit
221bfc6257
|
@ -36,14 +36,18 @@ specified compute group.
|
|||
</P>
|
||||
<P><B>Output info:</B>
|
||||
</P>
|
||||
<P>This compute calculates a per-atom vector, which can be accessed by
|
||||
any command that uses per-atom values from a compute as input. See
|
||||
<A HREF = "Section_howto.html#4_15">this section</A> for an overview of LAMMPS
|
||||
output options.
|
||||
<P>This compute calculates a scalar quantity for each atom, which can be
|
||||
accessed by any command that uses per-atom values from a compute as
|
||||
input. See <A HREF = "Section_howto.html#4_15">this section</A> for an overview of
|
||||
LAMMPS output options.
|
||||
</P>
|
||||
<P>The per-atom vector values will be in energy <A HREF = "units.html">units</A>.
|
||||
</P>
|
||||
<P><B>Restrictions:</B> none
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>This compute is part of the USER-SPH package. It is only enabled if
|
||||
LAMMPS was built with that package. See the <A HREF = "Section_start.html#start_3">Making
|
||||
LAMMPS</A> section for more info.
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -33,14 +33,18 @@ specified compute group.
|
|||
|
||||
[Output info:]
|
||||
|
||||
This compute calculates a per-atom vector, which can be accessed by
|
||||
any command that uses per-atom values from a compute as input. See
|
||||
"this section"_Section_howto.html#4_15 for an overview of LAMMPS
|
||||
output options.
|
||||
This compute calculates a scalar quantity for each atom, which can be
|
||||
accessed by any command that uses per-atom values from a compute as
|
||||
input. See "this section"_Section_howto.html#4_15 for an overview of
|
||||
LAMMPS output options.
|
||||
|
||||
The per-atom vector values will be in energy "units"_units.html.
|
||||
|
||||
[Restrictions:] none
|
||||
[Restrictions:]
|
||||
|
||||
This compute is part of the USER-SPH package. It is only enabled if
|
||||
LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#start_3 section for more info.
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -28,8 +28,11 @@
|
|||
for each atom in a group.
|
||||
</P>
|
||||
<P>The mesoscopic density is the mass density of a mesoscopic particle,
|
||||
calculated by kernel function interpolation using
|
||||
"pair style sph/rhosum".
|
||||
calculated by kernel function interpolation using "pair style
|
||||
sph/rhosum".
|
||||
</P>
|
||||
<P>See <A HREF = "USER/sph/SPH_LAMMPS_userguide.pdf">this PDF guide</A> to using SPH in
|
||||
LAMMPS.
|
||||
</P>
|
||||
<P>The value of the mesoscopic density will be 0.0 for atoms not in the
|
||||
specified compute group.
|
||||
|
@ -41,9 +44,13 @@ any command that uses per-atom values from a compute as input. See
|
|||
<A HREF = "Section_howto.html#4_15">this section</A> for an overview of LAMMPS
|
||||
output options.
|
||||
</P>
|
||||
<P>The per-atom vector values will be in mass / volume <A HREF = "units.html">units</A>.
|
||||
<P>The per-atom vector values will be in mass/volume <A HREF = "units.html">units</A>.
|
||||
</P>
|
||||
<P><B>Restrictions:</B> none
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>This compute is part of the USER-SPH package. It is only enabled if
|
||||
LAMMPS was built with that package. See the <A HREF = "Section_start.html#start_3">Making
|
||||
LAMMPS</A> section for more info.
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -25,8 +25,11 @@ Define a computation that calculates the per-atom mesoscopic density
|
|||
for each atom in a group.
|
||||
|
||||
The mesoscopic density is the mass density of a mesoscopic particle,
|
||||
calculated by kernel function interpolation using
|
||||
"pair style sph/rhosum".
|
||||
calculated by kernel function interpolation using "pair style
|
||||
sph/rhosum".
|
||||
|
||||
See "this PDF guide"_USER/sph/SPH_LAMMPS_userguide.pdf to using SPH in
|
||||
LAMMPS.
|
||||
|
||||
The value of the mesoscopic density will be 0.0 for atoms not in the
|
||||
specified compute group.
|
||||
|
@ -38,9 +41,13 @@ any command that uses per-atom values from a compute as input. See
|
|||
"this section"_Section_howto.html#4_15 for an overview of LAMMPS
|
||||
output options.
|
||||
|
||||
The per-atom vector values will be in mass / volume "units"_units.html.
|
||||
The per-atom vector values will be in mass/volume "units"_units.html.
|
||||
|
||||
[Restrictions:] none
|
||||
[Restrictions:]
|
||||
|
||||
This compute is part of the USER-SPH package. It is only enabled if
|
||||
LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#start_3 section for more info.
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -33,6 +33,9 @@ particles, e.g. a Smooth-Particle Hydrodynamics particle.
|
|||
</P>
|
||||
<P>T_<I>int</I> = E_<I>int</I> / C_<I>V, int</I>
|
||||
</P>
|
||||
<P>See <A HREF = "USER/sph/SPH_LAMMPS_userguide.pdf">this PDF guide</A> to using SPH in
|
||||
LAMMPS.
|
||||
</P>
|
||||
<P>The value of the internal energy will be 0.0 for atoms not in the
|
||||
specified compute group.
|
||||
</P>
|
||||
|
@ -45,7 +48,11 @@ output options.
|
|||
</P>
|
||||
<P>The per-atom vector values will be in temperature <A HREF = "units.html">units</A>.
|
||||
</P>
|
||||
<P><B>Restrictions:</B> none
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>This compute is part of the USER-SPH package. It is only enabled if
|
||||
LAMMPS was built with that package. See the <A HREF = "Section_start.html#start_3">Making
|
||||
LAMMPS</A> section for more info.
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -30,6 +30,9 @@ particles, e.g. a Smooth-Particle Hydrodynamics particle.
|
|||
|
||||
T_{int} = E_{int} / C_{V, int}
|
||||
|
||||
See "this PDF guide"_USER/sph/SPH_LAMMPS_userguide.pdf to using SPH in
|
||||
LAMMPS.
|
||||
|
||||
The value of the internal energy will be 0.0 for atoms not in the
|
||||
specified compute group.
|
||||
|
||||
|
@ -42,7 +45,11 @@ output options.
|
|||
|
||||
The per-atom vector values will be in temperature "units"_units.html.
|
||||
|
||||
[Restrictions:] none
|
||||
[Restrictions:]
|
||||
|
||||
This compute is part of the USER-SPH package. It is only enabled if
|
||||
LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#start_3 section for more info.
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -25,8 +25,12 @@
|
|||
<P><B>Description:</B>
|
||||
</P>
|
||||
<P>Perform time integration to update position, velocity, internal energy
|
||||
and local density for atoms in the group each timestep. This fix is needed to
|
||||
time-integrate mesoscopic systems where particles carry internal variables such as SPH or DPDE.
|
||||
and local density for atoms in the group each timestep. This fix is
|
||||
needed to time-integrate mesoscopic systems where particles carry
|
||||
internal variables such as SPH or DPDE.
|
||||
</P>
|
||||
<P>See <A HREF = "USER/sph/SPH_LAMMPS_userguide.pdf">this PDF guide</A> to using SPH in
|
||||
LAMMPS.
|
||||
</P>
|
||||
<P><B>Restart, fix_modify, output, run start/stop, minimize info:</B>
|
||||
</P>
|
||||
|
@ -38,7 +42,11 @@ commands</A>. No parameter of this fix can be
|
|||
used with the <I>start/stop</I> keywords of the <A HREF = "run.html">run</A> command.
|
||||
This fix is not invoked during <A HREF = "minimize.html">energy minimization</A>.
|
||||
</P>
|
||||
<P><B>Restrictions:</B> none
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>This fix is part of the USER-SPH package. It is only enabled if
|
||||
LAMMPS was built with that package. See the <A HREF = "Section_start.html#start_3">Making
|
||||
LAMMPS</A> section for more info.
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -22,8 +22,12 @@ fix 1 all meso :pre
|
|||
[Description:]
|
||||
|
||||
Perform time integration to update position, velocity, internal energy
|
||||
and local density for atoms in the group each timestep. This fix is needed to
|
||||
time-integrate mesoscopic systems where particles carry internal variables such as SPH or DPDE.
|
||||
and local density for atoms in the group each timestep. This fix is
|
||||
needed to time-integrate mesoscopic systems where particles carry
|
||||
internal variables such as SPH or DPDE.
|
||||
|
||||
See "this PDF guide"_USER/sph/SPH_LAMMPS_userguide.pdf to using SPH in
|
||||
LAMMPS.
|
||||
|
||||
[Restart, fix_modify, output, run start/stop, minimize info:]
|
||||
|
||||
|
@ -35,7 +39,11 @@ commands"_Section_howto.html#4_15. No parameter of this fix can be
|
|||
used with the {start/stop} keywords of the "run"_run.html command.
|
||||
This fix is not invoked during "energy minimization"_minimize.html.
|
||||
|
||||
[Restrictions:] none
|
||||
[Restrictions:]
|
||||
|
||||
This fix is part of the USER-SPH package. It is only enabled if
|
||||
LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#start_3 section for more info.
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -24,10 +24,14 @@
|
|||
</PRE>
|
||||
<P><B>Description:</B>
|
||||
</P>
|
||||
<P>Perform time integration to update internal energy and local density, but not
|
||||
position or velocity for atoms in the group each timestep. This fix is needed
|
||||
for SPH simulations to correctly time-integrate fixed boundary particles which
|
||||
constrain a fluid to a given region in space.
|
||||
<P>Perform time integration to update internal energy and local density,
|
||||
but not position or velocity for atoms in the group each timestep.
|
||||
This fix is needed for SPH simulations to correctly time-integrate
|
||||
fixed boundary particles which constrain a fluid to a given region in
|
||||
space.
|
||||
</P>
|
||||
<P>See <A HREF = "USER/sph/SPH_LAMMPS_userguide.pdf">this PDF guide</A> to using SPH in
|
||||
LAMMPS.
|
||||
</P>
|
||||
<P><B>Restart, fix_modify, output, run start/stop, minimize info:</B>
|
||||
</P>
|
||||
|
@ -39,7 +43,11 @@ commands</A>. No parameter of this fix can be
|
|||
used with the <I>start/stop</I> keywords of the <A HREF = "run.html">run</A> command.
|
||||
This fix is not invoked during <A HREF = "minimize.html">energy minimization</A>.
|
||||
</P>
|
||||
<P><B>Restrictions:</B> none
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>This fix is part of the USER-SPH package. It is only enabled if
|
||||
LAMMPS was built with that package. See the <A HREF = "Section_start.html#start_3">Making
|
||||
LAMMPS</A> section for more info.
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -21,10 +21,14 @@ fix 1 boundary meso/stationary :pre
|
|||
|
||||
[Description:]
|
||||
|
||||
Perform time integration to update internal energy and local density, but not
|
||||
position or velocity for atoms in the group each timestep. This fix is needed
|
||||
for SPH simulations to correctly time-integrate fixed boundary particles which
|
||||
constrain a fluid to a given region in space.
|
||||
Perform time integration to update internal energy and local density,
|
||||
but not position or velocity for atoms in the group each timestep.
|
||||
This fix is needed for SPH simulations to correctly time-integrate
|
||||
fixed boundary particles which constrain a fluid to a given region in
|
||||
space.
|
||||
|
||||
See "this PDF guide"_USER/sph/SPH_LAMMPS_userguide.pdf to using SPH in
|
||||
LAMMPS.
|
||||
|
||||
[Restart, fix_modify, output, run start/stop, minimize info:]
|
||||
|
||||
|
@ -36,7 +40,11 @@ commands"_Section_howto.html#4_15. No parameter of this fix can be
|
|||
used with the {start/stop} keywords of the "run"_run.html command.
|
||||
This fix is not invoked during "energy minimization"_minimize.html.
|
||||
|
||||
[Restrictions:] none
|
||||
[Restrictions:]
|
||||
|
||||
This fix is part of the USER-SPH package. It is only enabled if
|
||||
LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#start_3 section for more info.
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -373,7 +373,7 @@ This report may be accessed on-line via <A HREF = "http://infoserve.sandia.gov/s
|
|||
</P>
|
||||
<A NAME = "ZBL"></A>
|
||||
|
||||
<P><B>(ZBL)</B> J.F. Ziegler, J.P. Biersack, U. Littmark, 'Stopping and Ranges
|
||||
of Ions in Matter' Vol 1, 1985, Pergamon Press.
|
||||
<P><B>(ZBL)</B> J.F. Ziegler, J.P. Biersack, U. Littmark, "Stopping and Ranges
|
||||
of Ions in Matter", Vol 1, 1985, Pergamon Press.
|
||||
</P>
|
||||
</HTML>
|
||||
|
|
|
@ -363,6 +363,5 @@ This report may be accessed on-line via "this link"_sandreport.
|
|||
[(Wang)] Wang, Van Hove, Ross, Baskes, J. Chem. Phys., 121, 5410 (2004).
|
||||
|
||||
:link(ZBL)
|
||||
[(ZBL)] J.F. Ziegler, J.P. Biersack, U. Littmark, 'Stopping and Ranges
|
||||
of Ions in Matter' Vol 1, 1985, Pergamon Press.
|
||||
|
||||
[(ZBL)] J.F. Ziegler, J.P. Biersack, U. Littmark, "Stopping and Ranges
|
||||
of Ions in Matter", Vol 1, 1985, Pergamon Press.
|
||||
|
|
|
@ -17,42 +17,47 @@
|
|||
</PRE>
|
||||
<P><B>Examples:</B>
|
||||
</P>
|
||||
<P>pair_style sph/heatconduction
|
||||
pair_coeff * * 1.0 2.4
|
||||
</P>
|
||||
<PRE>pair_style sph/heatconduction
|
||||
pair_coeff * * 1.0 2.4
|
||||
</PRE>
|
||||
<P><B>Description:</B>
|
||||
</P>
|
||||
<P>The sph/heatconduction style computes heat transport between SPH particles.
|
||||
The transport model is the diffusion euqation for the internal energy.
|
||||
</P>
|
||||
<P>See <A HREF = "USER/sph/SPH_LAMMPS_userguide.pdf">this PDF guide</A> to using SPH in
|
||||
LAMMPS.
|
||||
</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.
|
||||
</P>
|
||||
<P>D diffusion coefficient (length^2/time units)
|
||||
h kernel function cutoff (distance units)
|
||||
</P>
|
||||
<UL><LI>D diffusion coefficient (length^2/time units)
|
||||
<LI>h kernel function cutoff (distance units)
|
||||
</UL>
|
||||
<HR>
|
||||
|
||||
<P><B>Mixing, shift, table, tail correction, restart, rRESPA info</B>:
|
||||
</P>
|
||||
<P>These pair styles do not support mixing. Thus, coefficients for all
|
||||
<P>This style does not support mixing. Thus, coefficients for all
|
||||
I,J pairs must be specified explicitly.
|
||||
</P>
|
||||
<P>This style does not write information to <A HREF = "restart.html">binary restart
|
||||
files</A>, so pair_style and pair_coeff commands do need
|
||||
to be specified in an input script that reads a restart file.
|
||||
<P>This style does not support the <A HREF = "pair_modify.html">pair_modify</A>
|
||||
shift, table, and tail options.
|
||||
</P>
|
||||
<P>These styles can only be used via the <I>pair</I> keyword of the <A HREF = "run_style.html">run_style
|
||||
respa</A> command. They do not support the <I>inner</I>,
|
||||
<P>This style does not write information to <A HREF = "restart.html">binary restart
|
||||
files</A>. Thus, you need to re-specify the pair_style and
|
||||
pair_coeff commands in an input script that reads a restart file.
|
||||
</P>
|
||||
<P>This style can only be used via the <I>pair</I> keyword of the <A HREF = "run_style.html">run_style
|
||||
respa</A> command. It does not support the <I>inner</I>,
|
||||
<I>middle</I>, <I>outer</I> keywords.
|
||||
</P>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>The <I>pair sph/heatconduction</I> style is part of the "USER-SPH" package. It is
|
||||
only enabled if LAMMPS was built with that package (which it is by
|
||||
default). See the <A HREF = "Section_start.html#2_3">Making LAMMPS</A> section for
|
||||
more info.
|
||||
<P>This pair style is part of the USER-SPH package. It is only enabled
|
||||
if LAMMPS was built with that package. See the <A HREF = "Section_start.html#start_3">Making
|
||||
LAMMPS</A> section for more info.
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -15,45 +15,49 @@ pair_style sph/heatconduction :pre
|
|||
[Examples:]
|
||||
|
||||
pair_style sph/heatconduction
|
||||
pair_coeff * * 1.0 2.4
|
||||
pair_coeff * * 1.0 2.4 :pre
|
||||
|
||||
[Description:]
|
||||
|
||||
The sph/heatconduction style computes heat transport between SPH particles.
|
||||
The transport model is the diffusion euqation for the internal energy.
|
||||
|
||||
See "this PDF guide"_USER/sph/SPH_LAMMPS_userguide.pdf to using SPH in
|
||||
LAMMPS.
|
||||
|
||||
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.
|
||||
|
||||
D diffusion coefficient (length^2/time units)
|
||||
h kernel function cutoff (distance units)
|
||||
h kernel function cutoff (distance units) :ul
|
||||
|
||||
:line
|
||||
|
||||
[Mixing, shift, table, tail correction, restart, rRESPA info]:
|
||||
|
||||
These pair styles do not support mixing. Thus, coefficients for all
|
||||
This style does not support mixing. Thus, coefficients for all
|
||||
I,J pairs must be specified explicitly.
|
||||
|
||||
This style does not write information to "binary restart
|
||||
files"_restart.html, so pair_style and pair_coeff commands do need
|
||||
to be specified in an input script that reads a restart file.
|
||||
This style does not support the "pair_modify"_pair_modify.html
|
||||
shift, table, and tail options.
|
||||
|
||||
These styles can only be used via the {pair} keyword of the "run_style
|
||||
respa"_run_style.html command. They do not support the {inner},
|
||||
This style does not write information to "binary restart
|
||||
files"_restart.html. Thus, you need to re-specify the pair_style and
|
||||
pair_coeff commands in an input script that reads a restart file.
|
||||
|
||||
This style can only be used via the {pair} keyword of the "run_style
|
||||
respa"_run_style.html command. It does not support the {inner},
|
||||
{middle}, {outer} keywords.
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
The {pair sph/heatconduction} style is part of the "USER-SPH" package. It is
|
||||
only enabled if LAMMPS was built with that package (which it is by
|
||||
default). See the "Making LAMMPS"_Section_start.html#2_3 section for
|
||||
more info.
|
||||
This pair style is part of the USER-SPH package. It is only enabled
|
||||
if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#start_3 section for more info.
|
||||
|
||||
[Related commands:]
|
||||
|
||||
"pair_coeff"_pair_coeff.html, pair_sph/rhosum
|
||||
|
||||
[Default:] none
|
||||
|
||||
|
|
|
@ -17,45 +17,56 @@
|
|||
</PRE>
|
||||
<P><B>Examples:</B>
|
||||
</P>
|
||||
<P>pair_style sph/idealgas
|
||||
pair_coeff * * 1.0 2.4
|
||||
</P>
|
||||
<PRE>pair_style sph/idealgas
|
||||
pair_coeff * * 1.0 2.4
|
||||
</PRE>
|
||||
<P><B>Description:</B>
|
||||
</P>
|
||||
<P>The sph/idealgas style computes pressure forces between particles according to the ideal gas equation of state,
|
||||
\begin<I>equation</I>
|
||||
<P>The sph/idealgas style computes pressure forces between particles
|
||||
according to the ideal gas equation of state:
|
||||
</P>
|
||||
<P>\begin<I>equation</I>
|
||||
p = (\gamma - 1) \rho e,
|
||||
\end<I>equation</I>
|
||||
where $\gamma=1.4$ is the heat capacity ratio, $\rho$ is the local density, and $e$ is the internal energy per unit mass. This pair style also computes Monaghan's artificial viscosity to prevent particles from interpentrating (Monaghan1983).
|
||||
</P>
|
||||
<P>where gamma = 1.4 is the heat capacity ratio, rho is the local
|
||||
density, and e is the internal energy per unit mass. This pair style
|
||||
also computes Monaghan's artificial viscosity to prevent particles
|
||||
from interpentrating <A HREF = "#Monoghan">(Monaghan)</A>.
|
||||
</P>
|
||||
<P>See <A HREF = "USER/sph/SPH_LAMMPS_userguide.pdf">this PDF guide</A> to using SPH in
|
||||
LAMMPS.
|
||||
</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.
|
||||
</P>
|
||||
<P>nu artificial viscosity (no units)
|
||||
h kernel function cutoff (distance units)
|
||||
</P>
|
||||
<UL><LI>nu artificial viscosity (no units)
|
||||
<LI>h kernel function cutoff (distance units)
|
||||
</UL>
|
||||
<HR>
|
||||
|
||||
<P><B>Mixing, shift, table, tail correction, restart, rRESPA info</B>:
|
||||
</P>
|
||||
<P>These pair styles do not support mixing. Thus, coefficients for all
|
||||
<P>This style does not support mixing. Thus, coefficients for all
|
||||
I,J pairs must be specified explicitly.
|
||||
</P>
|
||||
<P>This style does not write information to <A HREF = "restart.html">binary restart
|
||||
files</A>, so pair_style and pair_coeff commands do need
|
||||
to be specified in an input script that reads a restart file.
|
||||
<P>This style does not support the <A HREF = "pair_modify.html">pair_modify</A>
|
||||
shift, table, and tail options.
|
||||
</P>
|
||||
<P>These styles can only be used via the <I>pair</I> keyword of the <A HREF = "run_style.html">run_style
|
||||
respa</A> command. They do not support the <I>inner</I>,
|
||||
<P>This style does not write information to <A HREF = "restart.html">binary restart
|
||||
files</A>. Thus, you need to re-specify the pair_style and
|
||||
pair_coeff commands in an input script that reads a restart file.
|
||||
</P>
|
||||
<P>This style can only be used via the <I>pair</I> keyword of the <A HREF = "run_style.html">run_style
|
||||
respa</A> command. It does not support the <I>inner</I>,
|
||||
<I>middle</I>, <I>outer</I> keywords.
|
||||
</P>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>The <I>pair sph/idealgas</I> style is part of the "USER-SPH" package. It is
|
||||
only enabled if LAMMPS was built with that package (which it is by
|
||||
default). See the <A HREF = "Section_start.html#2_3">Making LAMMPS</A> section for
|
||||
more info.
|
||||
<P>This pair style is part of the USER-SPH package. It is only enabled
|
||||
if LAMMPS was built with that package. See the <A HREF = "Section_start.html#start_3">Making
|
||||
LAMMPS</A> section for more info.
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
@ -63,6 +74,11 @@ more info.
|
|||
</P>
|
||||
<P><B>Default:</B> none
|
||||
</P>
|
||||
<P><B>(Monaghan1983)</B> J. J. Monaghan and R. A. Gingold, “Shock simulation by the particle method SPH,” Journal of Computational Physics, vol. 52, no. 2, pp. 374-389, Nov. 1983.
|
||||
<HR>
|
||||
|
||||
<A NAME = "Monoghan"></A>
|
||||
|
||||
<P><B>(Monaghan)</B> Monaghan and Gingold, Journal of Computational Physics,
|
||||
52, 374-389 (1983).
|
||||
</P>
|
||||
</HTML>
|
||||
|
|
|
@ -15,45 +15,55 @@ pair_style sph/idealgas :pre
|
|||
[Examples:]
|
||||
|
||||
pair_style sph/idealgas
|
||||
pair_coeff * * 1.0 2.4
|
||||
pair_coeff * * 1.0 2.4 :pre
|
||||
|
||||
[Description:]
|
||||
|
||||
The sph/idealgas style computes pressure forces between particles according to the ideal gas equation of state,
|
||||
The sph/idealgas style computes pressure forces between particles
|
||||
according to the ideal gas equation of state:
|
||||
|
||||
\begin{equation}
|
||||
p = (\gamma - 1) \rho e,
|
||||
\end{equation}
|
||||
where $\gamma=1.4$ is the heat capacity ratio, $\rho$ is the local density, and $e$ is the internal energy per unit mass. This pair style also computes Monaghan's artificial viscosity to prevent particles from interpentrating (Monaghan1983).
|
||||
|
||||
where gamma = 1.4 is the heat capacity ratio, rho is the local
|
||||
density, and e is the internal energy per unit mass. This pair style
|
||||
also computes Monaghan's artificial viscosity to prevent particles
|
||||
from interpentrating "(Monaghan)"_#Monoghan.
|
||||
|
||||
See "this PDF guide"_USER/sph/SPH_LAMMPS_userguide.pdf to using SPH in
|
||||
LAMMPS.
|
||||
|
||||
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.
|
||||
|
||||
nu artificial viscosity (no units)
|
||||
h kernel function cutoff (distance units)
|
||||
h kernel function cutoff (distance units) :ul
|
||||
|
||||
:line
|
||||
|
||||
[Mixing, shift, table, tail correction, restart, rRESPA info]:
|
||||
|
||||
These pair styles do not support mixing. Thus, coefficients for all
|
||||
This style does not support mixing. Thus, coefficients for all
|
||||
I,J pairs must be specified explicitly.
|
||||
|
||||
This style does not write information to "binary restart
|
||||
files"_restart.html, so pair_style and pair_coeff commands do need
|
||||
to be specified in an input script that reads a restart file.
|
||||
This style does not support the "pair_modify"_pair_modify.html
|
||||
shift, table, and tail options.
|
||||
|
||||
These styles can only be used via the {pair} keyword of the "run_style
|
||||
respa"_run_style.html command. They do not support the {inner},
|
||||
This style does not write information to "binary restart
|
||||
files"_restart.html. Thus, you need to re-specify the pair_style and
|
||||
pair_coeff commands in an input script that reads a restart file.
|
||||
|
||||
This style can only be used via the {pair} keyword of the "run_style
|
||||
respa"_run_style.html command. It does not support the {inner},
|
||||
{middle}, {outer} keywords.
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
The {pair sph/idealgas} style is part of the "USER-SPH" package. It is
|
||||
only enabled if LAMMPS was built with that package (which it is by
|
||||
default). See the "Making LAMMPS"_Section_start.html#2_3 section for
|
||||
more info.
|
||||
This pair style is part of the USER-SPH package. It is only enabled
|
||||
if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#start_3 section for more info.
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
@ -61,5 +71,9 @@ more info.
|
|||
|
||||
[Default:] none
|
||||
|
||||
[(Monaghan1983)] J. J. Monaghan and R. A. Gingold, “Shock simulation by the particle method SPH,” Journal of Computational Physics, vol. 52, no. 2, pp. 374-389, Nov. 1983.
|
||||
:line
|
||||
|
||||
:link(Monoghan)
|
||||
[(Monaghan)] Monaghan and Gingold, Journal of Computational Physics,
|
||||
52, 374-389 (1983).
|
||||
|
||||
|
|
|
@ -17,46 +17,54 @@
|
|||
</PRE>
|
||||
<P><B>Examples:</B>
|
||||
</P>
|
||||
<P>pair_style sph/lj
|
||||
pair_coeff * * 1.0 2.4
|
||||
</P>
|
||||
<PRE>pair_style sph/lj
|
||||
pair_coeff * * 1.0 2.4
|
||||
</PRE>
|
||||
<P><B>Description:</B>
|
||||
</P>
|
||||
<P>The sph/lj style computes pressure forces between particles according to
|
||||
the Lennard-Jones equation of state, which is computed according to
|
||||
Ree's 1980 polynomial fit (Ree1980). The Lennard-Jones parameters
|
||||
$\epsilon$ and $\sigma$ are set to unity. This pair style also computes
|
||||
<P>The sph/lj style computes pressure forces between particles according
|
||||
to the Lennard-Jones equation of state, which is computed according to
|
||||
Ree's 1980 polynomial fit <A HREF = "#Ree">(Ree)</A>. The Lennard-Jones parameters
|
||||
epsilon and sigma are set to unity. This pair style also computes
|
||||
Monaghan's artificial viscosity to prevent particles from
|
||||
interpentrating (Monaghan1983).
|
||||
interpentrating <A HREF = "#Monoghan">(Monaghan)</A>.
|
||||
</P>
|
||||
<P>See <A HREF = "USER/sph/SPH_LAMMPS_userguide.pdf">this PDF guide</A> to using SPH in
|
||||
LAMMPS.
|
||||
</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.
|
||||
</P>
|
||||
<P>nu artificial viscosity (no units)
|
||||
h kernel function cutoff (distance units)
|
||||
</P>
|
||||
<UL><LI>nu artificial viscosity (no units)
|
||||
<LI>h kernel function cutoff (distance units)
|
||||
</UL>
|
||||
<HR>
|
||||
|
||||
<P><B>Mixing, shift, table, tail correction, restart, rRESPA info</B>:
|
||||
</P>
|
||||
<P>These pair styles do not support mixing. Thus, coefficients for all
|
||||
<P>This style does not support mixing. Thus, coefficients for all
|
||||
I,J pairs must be specified explicitly.
|
||||
</P>
|
||||
<P>This style does not write information to <A HREF = "restart.html">binary restart
|
||||
files</A>, so pair_style and pair_coeff commands do need
|
||||
to be specified in an input script that reads a restart file.
|
||||
<P>This style does not support the <A HREF = "pair_modify.html">pair_modify</A>
|
||||
shift, table, and tail options.
|
||||
</P>
|
||||
<P>These styles can only be used via the <I>pair</I> keyword of the <A HREF = "run_style.html">run_style
|
||||
respa</A> command. They do not support the <I>inner</I>,
|
||||
<P>This style does not write information to <A HREF = "restart.html">binary restart
|
||||
files</A>. Thus, you need to re-specify the pair_style and
|
||||
pair_coeff commands in an input script that reads a restart file.
|
||||
</P>
|
||||
<P>This style can only be used via the <I>pair</I> keyword of the <A HREF = "run_style.html">run_style
|
||||
respa</A> command. It does not support the <I>inner</I>,
|
||||
<I>middle</I>, <I>outer</I> keywords.
|
||||
</P>
|
||||
<P><B>Restrictions:</B>
|
||||
The Lennard-Jones parameters $\epsilon$ and $\sigma$ are set to unity.
|
||||
The <I>pair sph/lj</I> style is part of the "USER-SPH" package. It is
|
||||
only enabled if LAMMPS was built with that package (which it is by
|
||||
default). See the <A HREF = "Section_start.html#2_3">Making LAMMPS</A> section for
|
||||
more info.
|
||||
</P>
|
||||
<P>As noted above, the Lennard-Jones parameters epsilon and sigma are set
|
||||
to unity.
|
||||
</P>
|
||||
<P>This pair style is part of the USER-SPH package. It is only enabled
|
||||
if LAMMPS was built with that package. See the <A HREF = "Section_start.html#start_3">Making
|
||||
LAMMPS</A> section for more info.
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
@ -64,9 +72,15 @@ more info.
|
|||
</P>
|
||||
<P><B>Default:</B> none
|
||||
</P>
|
||||
<P><B>(Ree1980)</B> F. H. Ree. Analytic representation of thermodynamic data for the Lennard-Jones fluid.
|
||||
The Journal of Chemical Physics, 73(10):5401, 1980.
|
||||
<HR>
|
||||
|
||||
<A NAME = "Ree"></A>
|
||||
|
||||
<P><B>(Ree)</B> Ree, Journal of Chemical Physics, 73, 5401 (1980).
|
||||
</P>
|
||||
<P><B>(Monaghan1983)</B> J. J. Monaghan and R. A. Gingold, “Shock simulation by the particle method SPH,” Journal of Computational Physics, vol. 52, no. 2, pp. 374-389, Nov. 1983.
|
||||
<A NAME = "Monoghan"></A>
|
||||
|
||||
<P><B>(Monaghan)</B> Monaghan and Gingold, Journal of Computational Physics,
|
||||
52, 374-389 (1983).
|
||||
</P>
|
||||
</HTML>
|
||||
|
|
|
@ -15,46 +15,53 @@ pair_style sph/lj :pre
|
|||
[Examples:]
|
||||
|
||||
pair_style sph/lj
|
||||
pair_coeff * * 1.0 2.4
|
||||
pair_coeff * * 1.0 2.4 :pre
|
||||
|
||||
[Description:]
|
||||
|
||||
The sph/lj style computes pressure forces between particles according to
|
||||
the Lennard-Jones equation of state, which is computed according to
|
||||
Ree's 1980 polynomial fit (Ree1980). The Lennard-Jones parameters
|
||||
$\epsilon$ and $\sigma$ are set to unity. This pair style also computes
|
||||
The sph/lj style computes pressure forces between particles according
|
||||
to the Lennard-Jones equation of state, which is computed according to
|
||||
Ree's 1980 polynomial fit "(Ree)"_#Ree. The Lennard-Jones parameters
|
||||
epsilon and sigma are set to unity. This pair style also computes
|
||||
Monaghan's artificial viscosity to prevent particles from
|
||||
interpentrating (Monaghan1983).
|
||||
interpentrating "(Monaghan)"_#Monoghan.
|
||||
|
||||
See "this PDF guide"_USER/sph/SPH_LAMMPS_userguide.pdf to using SPH in
|
||||
LAMMPS.
|
||||
|
||||
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.
|
||||
|
||||
nu artificial viscosity (no units)
|
||||
h kernel function cutoff (distance units)
|
||||
h kernel function cutoff (distance units) :ul
|
||||
|
||||
:line
|
||||
|
||||
[Mixing, shift, table, tail correction, restart, rRESPA info]:
|
||||
|
||||
These pair styles do not support mixing. Thus, coefficients for all
|
||||
This style does not support mixing. Thus, coefficients for all
|
||||
I,J pairs must be specified explicitly.
|
||||
|
||||
This style does not write information to "binary restart
|
||||
files"_restart.html, so pair_style and pair_coeff commands do need
|
||||
to be specified in an input script that reads a restart file.
|
||||
This style does not support the "pair_modify"_pair_modify.html
|
||||
shift, table, and tail options.
|
||||
|
||||
These styles can only be used via the {pair} keyword of the "run_style
|
||||
respa"_run_style.html command. They do not support the {inner},
|
||||
This style does not write information to "binary restart
|
||||
files"_restart.html. Thus, you need to re-specify the pair_style and
|
||||
pair_coeff commands in an input script that reads a restart file.
|
||||
|
||||
This style can only be used via the {pair} keyword of the "run_style
|
||||
respa"_run_style.html command. It does not support the {inner},
|
||||
{middle}, {outer} keywords.
|
||||
|
||||
[Restrictions:]
|
||||
The Lennard-Jones parameters $\epsilon$ and $\sigma$ are set to unity.
|
||||
The {pair sph/lj} style is part of the "USER-SPH" package. It is
|
||||
only enabled if LAMMPS was built with that package (which it is by
|
||||
default). See the "Making LAMMPS"_Section_start.html#2_3 section for
|
||||
more info.
|
||||
|
||||
As noted above, the Lennard-Jones parameters epsilon and sigma are set
|
||||
to unity.
|
||||
|
||||
This pair style is part of the USER-SPH package. It is only enabled
|
||||
if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#start_3 section for more info.
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
@ -62,9 +69,11 @@ more info.
|
|||
|
||||
[Default:] none
|
||||
|
||||
[(Ree1980)] F. H. Ree. Analytic representation of thermodynamic data for the Lennard-Jones fluid.
|
||||
The Journal of Chemical Physics, 73(10):5401, 1980.
|
||||
|
||||
[(Monaghan1983)] J. J. Monaghan and R. A. Gingold, “Shock simulation by the particle method SPH,” Journal of Computational Physics, vol. 52, no. 2, pp. 374-389, Nov. 1983.
|
||||
:line
|
||||
|
||||
:link(Ree)
|
||||
[(Ree)] Ree, Journal of Chemical Physics, 73, 5401 (1980).
|
||||
|
||||
:link(Monoghan)
|
||||
[(Monaghan)] Monaghan and Gingold, Journal of Computational Physics,
|
||||
52, 374-389 (1983).
|
||||
|
|
|
@ -13,47 +13,52 @@
|
|||
</H3>
|
||||
<P><B>Syntax:</B>
|
||||
</P>
|
||||
<PRE>pair_style sph/rhosum nstep
|
||||
<PRE>pair_style sph/rhosum Nstep
|
||||
</PRE>
|
||||
<P>nstep = timestep interval
|
||||
</P>
|
||||
<UL><LI>Nstep = timestep interval
|
||||
</UL>
|
||||
<P><B>Examples:</B>
|
||||
</P>
|
||||
<P>pair_style sph/rhosum 10
|
||||
pair_coeff * * 2.4
|
||||
</P>
|
||||
<PRE>pair_style sph/rhosum 10
|
||||
pair_coeff * * 2.4
|
||||
</PRE>
|
||||
<P><B>Description:</B>
|
||||
</P>
|
||||
<P>The sph/rhosum style computes the local particle mass density rho by kernel function interpolation,
|
||||
see the SPH-USER documentation.
|
||||
<P>The sph/rhosum style computes the local particle mass density rho for
|
||||
SPH particles by kernel function interpolation, every Nstep timesteps.
|
||||
</P>
|
||||
<P>See <A HREF = "USER/sph/SPH_LAMMPS_userguide.pdf">this PDF guide</A> to using SPH in
|
||||
LAMMPS.
|
||||
</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.
|
||||
</P>
|
||||
<P>h (distance units)
|
||||
</P>
|
||||
<UL><LI>h (distance units)
|
||||
</UL>
|
||||
<HR>
|
||||
|
||||
<P><B>Mixing, shift, table, tail correction, restart, rRESPA info</B>:
|
||||
</P>
|
||||
<P>These pair styles do not support mixing. Thus, coefficients for all
|
||||
<P>This style does not support mixing. Thus, coefficients for all
|
||||
I,J pairs must be specified explicitly.
|
||||
</P>
|
||||
<P>This style does not write information to <A HREF = "restart.html">binary restart
|
||||
files</A>, so pair_style and pair_coeff commands do need
|
||||
to be specified in an input script that reads a restart file.
|
||||
<P>This style does not support the <A HREF = "pair_modify.html">pair_modify</A>
|
||||
shift, table, and tail options.
|
||||
</P>
|
||||
<P>These styles can only be used via the <I>pair</I> keyword of the <A HREF = "run_style.html">run_style
|
||||
respa</A> command. They do not support the <I>inner</I>,
|
||||
<P>This style does not write information to <A HREF = "restart.html">binary restart
|
||||
files</A>. Thus, you need to re-specify the pair_style and
|
||||
pair_coeff commands in an input script that reads a restart file.
|
||||
</P>
|
||||
<P>This style can only be used via the <I>pair</I> keyword of the <A HREF = "run_style.html">run_style
|
||||
respa</A> command. It does not support the <I>inner</I>,
|
||||
<I>middle</I>, <I>outer</I> keywords.
|
||||
</P>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>The <I>pair sph/rhosum</I> style is part of the "USER-SPH" package. It is
|
||||
only enabled if LAMMPS was built with that package (which it is by
|
||||
default). See the <A HREF = "Section_start.html#2_3">Making LAMMPS</A> section for
|
||||
more info.
|
||||
<P>This pair style is part of the USER-SPH package. It is only enabled
|
||||
if LAMMPS was built with that package. See the <A HREF = "Section_start.html#start_3">Making
|
||||
LAMMPS</A> section for more info.
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
|
|
@ -10,47 +10,52 @@ pair_style sph/rhosum command :h3
|
|||
|
||||
[Syntax:]
|
||||
|
||||
pair_style sph/rhosum nstep :pre
|
||||
pair_style sph/rhosum Nstep :pre
|
||||
|
||||
nstep = timestep interval
|
||||
Nstep = timestep interval :ul
|
||||
|
||||
[Examples:]
|
||||
|
||||
pair_style sph/rhosum 10
|
||||
pair_coeff * * 2.4
|
||||
pair_coeff * * 2.4 :pre
|
||||
|
||||
[Description:]
|
||||
|
||||
The sph/rhosum style computes the local particle mass density rho by kernel function interpolation,
|
||||
see the SPH-USER documentation.
|
||||
The sph/rhosum style computes the local particle mass density rho for
|
||||
SPH particles by kernel function interpolation, every Nstep timesteps.
|
||||
|
||||
See "this PDF guide"_USER/sph/SPH_LAMMPS_userguide.pdf to using SPH in
|
||||
LAMMPS.
|
||||
|
||||
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.
|
||||
|
||||
h (distance units)
|
||||
h (distance units) :ul
|
||||
|
||||
:line
|
||||
|
||||
[Mixing, shift, table, tail correction, restart, rRESPA info]:
|
||||
|
||||
These pair styles do not support mixing. Thus, coefficients for all
|
||||
This style does not support mixing. Thus, coefficients for all
|
||||
I,J pairs must be specified explicitly.
|
||||
|
||||
This style does not write information to "binary restart
|
||||
files"_restart.html, so pair_style and pair_coeff commands do need
|
||||
to be specified in an input script that reads a restart file.
|
||||
This style does not support the "pair_modify"_pair_modify.html
|
||||
shift, table, and tail options.
|
||||
|
||||
These styles can only be used via the {pair} keyword of the "run_style
|
||||
respa"_run_style.html command. They do not support the {inner},
|
||||
This style does not write information to "binary restart
|
||||
files"_restart.html. Thus, you need to re-specify the pair_style and
|
||||
pair_coeff commands in an input script that reads a restart file.
|
||||
|
||||
This style can only be used via the {pair} keyword of the "run_style
|
||||
respa"_run_style.html command. It does not support the {inner},
|
||||
{middle}, {outer} keywords.
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
The {pair sph/rhosum} style is part of the "USER-SPH" package. It is
|
||||
only enabled if LAMMPS was built with that package (which it is by
|
||||
default). See the "Making LAMMPS"_Section_start.html#2_3 section for
|
||||
more info.
|
||||
This pair style is part of the USER-SPH package. It is only enabled
|
||||
if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#start_3 section for more info.
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
|
|
@ -17,49 +17,59 @@
|
|||
</PRE>
|
||||
<P><B>Examples:</B>
|
||||
</P>
|
||||
<P>pair_style sph/taitwater
|
||||
pair_coeff * * 1000.0 1430.0 1.0 2.4
|
||||
</P>
|
||||
<PRE>pair_style sph/taitwater
|
||||
pair_coeff * * 1000.0 1430.0 1.0 2.4
|
||||
</PRE>
|
||||
<P><B>Description:</B>
|
||||
</P>
|
||||
<P>The sph/taitwater style computes pressure forces between particles according to Tait's equation of state,
|
||||
\begin<I>equation</I>
|
||||
<P>The sph/taitwater style computes pressure forces between SPH particles
|
||||
according to Tait's equation of state:
|
||||
</P>
|
||||
<P>\begin<I>equation</I>
|
||||
p = B <B>(\frac<I>\rho</I><I>\rho_0</I>)^<I>\gamma</I> - 1</B>,
|
||||
\end<I>equation</I>
|
||||
where $\gamma=7$ and $B=c_0^2 \rho_0 / \gamma$, with $\rho_0$ being the reference density and $c_0$ the reference speed of sound.
|
||||
This pair style also computes Monaghan's artificial viscosity to prevent particles from interpentrating (Monaghan1983).
|
||||
</P>
|
||||
<P>where gamma = 7 and B = c_0^2 rho_0 / gamma, with rho_0 being the
|
||||
reference density and c_0 the reference speed of sound.
|
||||
</P>
|
||||
<P>This pair style also computes Monaghan's artificial viscosity to
|
||||
prevent particles from interpentrating <A HREF = "#Monaghan">(Monaghan)</A>.
|
||||
</P>
|
||||
<P>See <A HREF = "USER/sph/SPH_LAMMPS_userguide.pdf">this PDF guide</A> to using SPH in
|
||||
LAMMPS.
|
||||
</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.
|
||||
</P>
|
||||
<P>rho0 reference density (mass/volume units)
|
||||
c0 reference soundspeed (distance/time units)
|
||||
nu artificial viscosity (no units)
|
||||
h kernel function cutoff (distance units)
|
||||
</P>
|
||||
<UL><LI>rho0 reference density (mass/volume units)
|
||||
<LI>c0 reference soundspeed (distance/time units)
|
||||
<LI>nu artificial viscosity (no units)
|
||||
<LI>h kernel function cutoff (distance units)
|
||||
</UL>
|
||||
<HR>
|
||||
|
||||
<P><B>Mixing, shift, table, tail correction, restart, rRESPA info</B>:
|
||||
</P>
|
||||
<P>These pair styles do not support mixing. Thus, coefficients for all
|
||||
I,J pairs must be specified explicitly. Additionally, because rho0 and c0 are defined on a per-type basis,
|
||||
an I,I as well a J,J coefficients line must be specified prior to specifying an I,J interaction.
|
||||
<P>This style does not support mixing. Thus, coefficients for all
|
||||
I,J pairs must be specified explicitly.
|
||||
</P>
|
||||
<P>This style does not support the <A HREF = "pair_modify.html">pair_modify</A>
|
||||
shift, table, and tail options.
|
||||
</P>
|
||||
<P>This style does not write information to <A HREF = "restart.html">binary restart
|
||||
files</A>, so pair_style and pair_coeff commands do need
|
||||
to be specified in an input script that reads a restart file.
|
||||
files</A>. Thus, you need to re-specify the pair_style and
|
||||
pair_coeff commands in an input script that reads a restart file.
|
||||
</P>
|
||||
<P>These styles can only be used via the <I>pair</I> keyword of the <A HREF = "run_style.html">run_style
|
||||
respa</A> command. They do not support the <I>inner</I>,
|
||||
<P>This style can only be used via the <I>pair</I> keyword of the <A HREF = "run_style.html">run_style
|
||||
respa</A> command. It does not support the <I>inner</I>,
|
||||
<I>middle</I>, <I>outer</I> keywords.
|
||||
</P>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>The <I>pair sph/taitwater</I> style is part of the "USER-SPH" package. It is
|
||||
only enabled if LAMMPS was built with that package (which it is by
|
||||
default). See the <A HREF = "Section_start.html#2_3">Making LAMMPS</A> section for
|
||||
more info.
|
||||
<P>This pair style is part of the USER-SPH package. It is only enabled
|
||||
if LAMMPS was built with that package. See the <A HREF = "Section_start.html#start_3">Making
|
||||
LAMMPS</A> section for more info.
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
@ -67,6 +77,11 @@ more info.
|
|||
</P>
|
||||
<P><B>Default:</B> none
|
||||
</P>
|
||||
<P><B>(Monaghan1983)</B> J. J. Monaghan and R. A. Gingold, “Shock simulation by the particle method SPH,” Journal of Computational Physics, vol. 52, no. 2, pp. 374-389, Nov. 1983.
|
||||
<HR>
|
||||
|
||||
<A NAME = "Monoghan"></A>
|
||||
|
||||
<P><B>(Monaghan)</B> Monaghan and Gingold, Journal of Computational Physics,
|
||||
52, 374-389 (1983).
|
||||
</P>
|
||||
</HTML>
|
||||
|
|
|
@ -15,17 +15,25 @@ pair_style sph/taitwater :pre
|
|||
[Examples:]
|
||||
|
||||
pair_style sph/taitwater
|
||||
pair_coeff * * 1000.0 1430.0 1.0 2.4
|
||||
pair_coeff * * 1000.0 1430.0 1.0 2.4 :pre
|
||||
|
||||
[Description:]
|
||||
|
||||
The sph/taitwater style computes pressure forces between particles according to Tait's equation of state,
|
||||
The sph/taitwater style computes pressure forces between SPH particles
|
||||
according to Tait's equation of state:
|
||||
|
||||
\begin{equation}
|
||||
p = B [(\frac{\rho}{\rho_0})^{\gamma} - 1],
|
||||
\end{equation}
|
||||
where $\gamma=7$ and $B=c_0^2 \rho_0 / \gamma$, with $\rho_0$ being the reference density and $c_0$ the reference speed of sound.
|
||||
This pair style also computes Monaghan's artificial viscosity to prevent particles from interpentrating (Monaghan1983).
|
||||
|
||||
where gamma = 7 and B = c_0^2 rho_0 / gamma, with rho_0 being the
|
||||
reference density and c_0 the reference speed of sound.
|
||||
|
||||
This pair style also computes Monaghan's artificial viscosity to
|
||||
prevent particles from interpentrating "(Monaghan)"_#Monaghan.
|
||||
|
||||
See "this PDF guide"_USER/sph/SPH_LAMMPS_userguide.pdf to using SPH in
|
||||
LAMMPS.
|
||||
|
||||
The following coefficients must be defined for each pair of atoms
|
||||
types via the "pair_coeff"_pair_coeff.html command as in the examples
|
||||
|
@ -34,30 +42,31 @@ above.
|
|||
rho0 reference density (mass/volume units)
|
||||
c0 reference soundspeed (distance/time units)
|
||||
nu artificial viscosity (no units)
|
||||
h kernel function cutoff (distance units)
|
||||
h kernel function cutoff (distance units) :ul
|
||||
|
||||
:line
|
||||
|
||||
[Mixing, shift, table, tail correction, restart, rRESPA info]:
|
||||
|
||||
These pair styles do not support mixing. Thus, coefficients for all
|
||||
I,J pairs must be specified explicitly. Additionally, because rho0 and c0 are defined on a per-type basis,
|
||||
an I,I as well a J,J coefficients line must be specified prior to specifying an I,J interaction.
|
||||
This style does not support mixing. Thus, coefficients for all
|
||||
I,J pairs must be specified explicitly.
|
||||
|
||||
This style does not support the "pair_modify"_pair_modify.html
|
||||
shift, table, and tail options.
|
||||
|
||||
This style does not write information to "binary restart
|
||||
files"_restart.html, so pair_style and pair_coeff commands do need
|
||||
to be specified in an input script that reads a restart file.
|
||||
files"_restart.html. Thus, you need to re-specify the pair_style and
|
||||
pair_coeff commands in an input script that reads a restart file.
|
||||
|
||||
These styles can only be used via the {pair} keyword of the "run_style
|
||||
respa"_run_style.html command. They do not support the {inner},
|
||||
This style can only be used via the {pair} keyword of the "run_style
|
||||
respa"_run_style.html command. It does not support the {inner},
|
||||
{middle}, {outer} keywords.
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
The {pair sph/taitwater} style is part of the "USER-SPH" package. It is
|
||||
only enabled if LAMMPS was built with that package (which it is by
|
||||
default). See the "Making LAMMPS"_Section_start.html#2_3 section for
|
||||
more info.
|
||||
This pair style is part of the USER-SPH package. It is only enabled
|
||||
if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#start_3 section for more info.
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
@ -65,5 +74,8 @@ more info.
|
|||
|
||||
[Default:] none
|
||||
|
||||
[(Monaghan1983)] J. J. Monaghan and R. A. Gingold, “Shock simulation by the particle method SPH,” Journal of Computational Physics, vol. 52, no. 2, pp. 374-389, Nov. 1983.
|
||||
:line
|
||||
|
||||
:link(Monoghan)
|
||||
[(Monaghan)] Monaghan and Gingold, Journal of Computational Physics,
|
||||
52, 374-389 (1983).
|
||||
|
|
|
@ -17,49 +17,58 @@
|
|||
</PRE>
|
||||
<P><B>Examples:</B>
|
||||
</P>
|
||||
<P>pair_style sph/taitwater/morris
|
||||
pair_coeff * * 1000.0 1430.0 1.0 2.4
|
||||
</P>
|
||||
<PRE>pair_style sph/taitwater/morris
|
||||
pair_coeff * * 1000.0 1430.0 1.0 2.4
|
||||
</PRE>
|
||||
<P><B>Description:</B>
|
||||
</P>
|
||||
<P>The sph/taitwater/morris style computes pressure forces between particles according to Tait's equation of state,
|
||||
\begin<I>equation</I>
|
||||
<P>The sph/taitwater/morris style computes pressure forces between SPH
|
||||
particles according to Tait's equation of state:
|
||||
</P>
|
||||
<P>\begin<I>equation</I>
|
||||
p = B <B>(\frac<I>\rho</I><I>\rho_0</I>)^<I>\gamma</I> - 1</B>,
|
||||
\end<I>equation</I>
|
||||
where $\gamma=7$ and $B=c_0^2 \rho_0 / \gamma$, with $\rho_0$ being the reference density and $c_0$ the reference speed of sound.
|
||||
This pair style also computes laminar viscosity (Morris1997).
|
||||
</P>
|
||||
<P>where gamma = 7 and B = c_0^2 rho_0 / gamma, with rho_0 being the
|
||||
reference density and c_0 the reference speed of sound.
|
||||
</P>
|
||||
<P>This pair style also computes laminar viscosity <A HREF = "#Morris">(Morris)</A>.
|
||||
</P>
|
||||
<P>See <A HREF = "USER/sph/SPH_LAMMPS_userguide.pdf">this PDF guide</A> to using SPH in
|
||||
LAMMPS.
|
||||
</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.
|
||||
</P>
|
||||
<P>rho0 reference density (mass/volume units)
|
||||
c0 reference soundspeed (distance/time units)
|
||||
nu dynamic viscosity (mass*distance/time units)
|
||||
h kernel function cutoff (distance units)
|
||||
</P>
|
||||
<UL><LI>rho0 reference density (mass/volume units)
|
||||
<LI>c0 reference soundspeed (distance/time units)
|
||||
<LI>nu dynamic viscosity (mass*distance/time units)
|
||||
<LI>h kernel function cutoff (distance units)
|
||||
</UL>
|
||||
<HR>
|
||||
|
||||
<P><B>Mixing, shift, table, tail correction, restart, rRESPA info</B>:
|
||||
</P>
|
||||
<P>These pair styles do not support mixing. Thus, coefficients for all
|
||||
I,J pairs must be specified explicitly. Additionally, because rho0 and c0 are defined on a per-type basis,
|
||||
an I,I as well a J,J coefficients line must be specified prior to specifying an I,J interaction.
|
||||
<P>This style does not support mixing. Thus, coefficients for all
|
||||
I,J pairs must be specified explicitly.
|
||||
</P>
|
||||
<P>This style does not support the <A HREF = "pair_modify.html">pair_modify</A>
|
||||
shift, table, and tail options.
|
||||
</P>
|
||||
<P>This style does not write information to <A HREF = "restart.html">binary restart
|
||||
files</A>, so pair_style and pair_coeff commands do need
|
||||
to be specified in an input script that reads a restart file.
|
||||
files</A>. Thus, you need to re-specify the pair_style and
|
||||
pair_coeff commands in an input script that reads a restart file.
|
||||
</P>
|
||||
<P>These styles can only be used via the <I>pair</I> keyword of the <A HREF = "run_style.html">run_style
|
||||
respa</A> command. They do not support the <I>inner</I>,
|
||||
<P>This style can only be used via the <I>pair</I> keyword of the <A HREF = "run_style.html">run_style
|
||||
respa</A> command. It does not support the <I>inner</I>,
|
||||
<I>middle</I>, <I>outer</I> keywords.
|
||||
</P>
|
||||
<P><B>Restrictions:</B>
|
||||
</P>
|
||||
<P>The <I>pair sph/taitwater/morris</I> style is part of the "USER-SPH" package. It is
|
||||
only enabled if LAMMPS was built with that package (which it is by
|
||||
default). See the <A HREF = "Section_start.html#2_3">Making LAMMPS</A> section for
|
||||
more info.
|
||||
<P>This pair style is part of the USER-SPH package. It is only enabled
|
||||
if LAMMPS was built with that package. See the <A HREF = "Section_start.html#start_3">Making
|
||||
LAMMPS</A> section for more info.
|
||||
</P>
|
||||
<P><B>Related commands:</B>
|
||||
</P>
|
||||
|
@ -67,6 +76,10 @@ more info.
|
|||
</P>
|
||||
<P><B>Default:</B> none
|
||||
</P>
|
||||
<P><B>(Morris1997)</B> J.P. Morris, P.J. Fox, and Y. Zhu. Modeling Low Reynolds Number Incompressible Flows Using SPH. Journal of Computational Physics, 136:214–226, 1997.
|
||||
<HR>
|
||||
|
||||
<A NAME = "Morris"></A>
|
||||
|
||||
<P><B>(Morris)</B> Morris, Fox, Zhu, J Comp Physics, 136, 214–226 (1997).
|
||||
</P>
|
||||
</HTML>
|
||||
|
|
|
@ -15,17 +15,24 @@ pair_style sph/taitwater/morris :pre
|
|||
[Examples:]
|
||||
|
||||
pair_style sph/taitwater/morris
|
||||
pair_coeff * * 1000.0 1430.0 1.0 2.4
|
||||
pair_coeff * * 1000.0 1430.0 1.0 2.4 :pre
|
||||
|
||||
[Description:]
|
||||
|
||||
The sph/taitwater/morris style computes pressure forces between particles according to Tait's equation of state,
|
||||
The sph/taitwater/morris style computes pressure forces between SPH
|
||||
particles according to Tait's equation of state:
|
||||
|
||||
\begin{equation}
|
||||
p = B [(\frac{\rho}{\rho_0})^{\gamma} - 1],
|
||||
\end{equation}
|
||||
where $\gamma=7$ and $B=c_0^2 \rho_0 / \gamma$, with $\rho_0$ being the reference density and $c_0$ the reference speed of sound.
|
||||
This pair style also computes laminar viscosity (Morris1997).
|
||||
|
||||
where gamma = 7 and B = c_0^2 rho_0 / gamma, with rho_0 being the
|
||||
reference density and c_0 the reference speed of sound.
|
||||
|
||||
This pair style also computes laminar viscosity "(Morris)"_#Morris.
|
||||
|
||||
See "this PDF guide"_USER/sph/SPH_LAMMPS_userguide.pdf to using SPH in
|
||||
LAMMPS.
|
||||
|
||||
The following coefficients must be defined for each pair of atoms
|
||||
types via the "pair_coeff"_pair_coeff.html command as in the examples
|
||||
|
@ -34,30 +41,31 @@ above.
|
|||
rho0 reference density (mass/volume units)
|
||||
c0 reference soundspeed (distance/time units)
|
||||
nu dynamic viscosity (mass*distance/time units)
|
||||
h kernel function cutoff (distance units)
|
||||
h kernel function cutoff (distance units) :ul
|
||||
|
||||
:line
|
||||
|
||||
[Mixing, shift, table, tail correction, restart, rRESPA info]:
|
||||
|
||||
These pair styles do not support mixing. Thus, coefficients for all
|
||||
I,J pairs must be specified explicitly. Additionally, because rho0 and c0 are defined on a per-type basis,
|
||||
an I,I as well a J,J coefficients line must be specified prior to specifying an I,J interaction.
|
||||
This style does not support mixing. Thus, coefficients for all
|
||||
I,J pairs must be specified explicitly.
|
||||
|
||||
This style does not support the "pair_modify"_pair_modify.html
|
||||
shift, table, and tail options.
|
||||
|
||||
This style does not write information to "binary restart
|
||||
files"_restart.html, so pair_style and pair_coeff commands do need
|
||||
to be specified in an input script that reads a restart file.
|
||||
files"_restart.html. Thus, you need to re-specify the pair_style and
|
||||
pair_coeff commands in an input script that reads a restart file.
|
||||
|
||||
These styles can only be used via the {pair} keyword of the "run_style
|
||||
respa"_run_style.html command. They do not support the {inner},
|
||||
This style can only be used via the {pair} keyword of the "run_style
|
||||
respa"_run_style.html command. It does not support the {inner},
|
||||
{middle}, {outer} keywords.
|
||||
|
||||
[Restrictions:]
|
||||
|
||||
The {pair sph/taitwater/morris} style is part of the "USER-SPH" package. It is
|
||||
only enabled if LAMMPS was built with that package (which it is by
|
||||
default). See the "Making LAMMPS"_Section_start.html#2_3 section for
|
||||
more info.
|
||||
This pair style is part of the USER-SPH package. It is only enabled
|
||||
if LAMMPS was built with that package. See the "Making
|
||||
LAMMPS"_Section_start.html#start_3 section for more info.
|
||||
|
||||
[Related commands:]
|
||||
|
||||
|
@ -65,6 +73,9 @@ more info.
|
|||
|
||||
[Default:] none
|
||||
|
||||
[(Morris1997)] J.P. Morris, P.J. Fox, and Y. Zhu. Modeling Low Reynolds Number Incompressible Flows Using SPH. Journal of Computational Physics, 136:214–226, 1997.
|
||||
:line
|
||||
|
||||
:link(Morris)
|
||||
[(Morris)] Morris, Fox, Zhu, J Comp Physics, 136, 214–226 (1997).
|
||||
|
||||
|
||||
|
|
Loading…
Reference in New Issue