git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@14509 f3b2605a-c512-4ea7-a41b-209d697bcdaa

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sjplimp
2016-01-28 21:14:10 +00:00
parent b355fa25f4
commit db773d752e
9 changed files with 168 additions and 91 deletions

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@ -135,7 +135,7 @@
<li>style = <em>atom</em> or <em>type</em> or <em>mol</em> or <em>group</em> or <em>region</em></li>
<li>ID = atom ID range or type range or mol ID range or group ID or region ID</li>
<li>one or more keyword/value pairs may be appended</li>
<li>keyword = <em>type</em> or <em>type/fraction</em> or <em>mol</em> or <em>x</em> or <em>y</em> or <em>z</em> or <em>charge</em> or <em>dipole</em> or <em>dipole/random</em> or <em>quat</em> or <em>quat/random</em> or <em>diameter</em> or <em>shape</em> or <em>length</em> or <em>tri</em> or <em>theta</em> or <em>theta/random</em> or <em>angmom</em> or <em>omega</em> or <em>mass</em> or <em>density</em> or <em>volume</em> or <em>image</em> or <em>bond</em> or <em>angle</em> or <em>dihedral</em> or <em>improper</em> or <em>meso_e</em> or <em>meso_cv</em> or <em>meso_rho</em> or <em>smd_contact_radius</em> or <em>smd_mass_density</em> or <em>i_name</em> or <em>d_name</em></li>
<li>keyword = <em>type</em> or <em>type/fraction</em> or <em>mol</em> or <em>x</em> or <em>y</em> or <em>z</em> or <em>charge</em> or <em>dipole</em> or <em>dipole/random</em> or <em>quat</em> or <em>quat/random</em> or <em>diameter</em> or <em>shape</em> or <em>length</em> or <em>tri</em> or <em>theta</em> or <em>theta/random</em> or <em>angmom</em> or <em>omega</em> or <em>mass</em> or <em>density</em> or <em>volume</em> or <em>image</em> or <em>bond</em> or <em>angle</em> or <em>dihedral</em> or <em>improper</em> or <em>meso/e</em> or <em>meso/cv</em> or <em>meso/rho</em> or <em>smd/contact/radius</em> or <em>smd/mass/density</em> or <em>i_name</em> or <em>d_name</em></li>
</ul>
<pre class="literal-block">
<em>type</em> value = atom type
@ -195,15 +195,15 @@
<em>angle</em> value = angle type for all angles between selected atoms
<em>dihedral</em> value = dihedral type for all dihedrals between selected atoms
<em>improper</em> value = improper type for all impropers between selected atoms
<em>meso_e</em> value = energy of SPH particles (need units)
<em>meso/e</em> value = energy of SPH particles (need units)
value can be an atom-style variable (see below)
<em>meso_cv</em> value = heat capacity of SPH particles (need units)
<em>meso/cv</em> value = heat capacity of SPH particles (need units)
value can be an atom-style variable (see below)
<em>meso_rho</em> value = density of SPH particles (need units)
<em>meso/rho</em> value = density of SPH particles (need units)
value can be an atom-style variable (see below)
<em>smd_contact_radius</em> = radius for short range interactions, i.e. contact and friction
<em>smd/contact/radius</em> = radius for short range interactions, i.e. contact and friction
value can be an atom-style variable (see below)
<em>smd_mass_density</em> = set particle mass based on volume by providing a mass density
<em>smd/mass/density</em> = set particle mass based on volume by providing a mass density
value can be an atom-style variable (see below)
<em>i_name</em> value = value for custom integer vector with name
<em>d_name</em> value = value for custom floating-point vector with name
@ -413,18 +413,6 @@ mass is set from the density and triangle area (the input density is
assumed to be in mass/distance^2 units). If none of these cases are
valid, then the mass is set to the density value directly (the input
density is assumed to be in mass units).</p>
<p>Keyword <em>smd_mass_density</em> also sets the mass of all selected
particles, but it is only applicable to the Smooth Mach Dynamics
package USER-SMD. This command assumes that the particle volume has
already been correctly set and calculates particle mass from the
provided mass density value.</p>
<p>Keyword <em>smd_contact_radius</em> only applies to simulations with the
Smooth Mach Dynamics package USER-SMD. This command sets an
interaction radius for computing short-range interactions,
e.g. repulsive forces to prevent different individual physical bodies
from penetrating each other. Note that the SPH smoothing kernel
diameter used for computing long range, nonlocal interactions, is set
using the <em>diameter</em> keyword.</p>
<p>Keyword <em>volume</em> sets the volume of all selected particles.
Currently, only the <a class="reference internal" href="atom_style.html"><em>atom_style peri</em></a> command defines
particles with a volume attribute. Note that this command does not
@ -458,10 +446,22 @@ order for the change to be made. The value of nbondtype (nangletypes,
etc) was set by the <em>bond types</em> (<em>angle types</em>, etc) field in the
header of the data file read by the <a class="reference internal" href="read_data.html"><em>read_data</em></a>
command. These keywords do not allow use of an atom-style variable.</p>
<p>Keywords <em>meso_e</em>, <em>meso_cv</em>, and <em>meso_rho</em> set the energy, heat
<p>Keywords <em>meso/e</em>, <em>meso/cv</em>, and <em>meso/rho</em> set the energy, heat
capacity, and density of smmothed particle hydrodynamics (SPH)
particles. See <a class="reference external" href="USER/sph/SPH_LAMMPS_userguide.pdf">this PDF guide</a> to
using SPH in LAMMPS.</p>
<p>Keyword <em>smd/mass/density</em> sets the mass of all selected particles,
but it is only applicable to the Smooth Mach Dynamics package
USER-SMD. It assumes that the particle volume has already been
correctly set and calculates particle mass from the provided mass
density value.</p>
<p>Keyword <em>smd/contact/radius</em> only applies to simulations with the
Smooth Mach Dynamics package USER-SMD. Itsets an interaction radius
for computing short-range interactions, e.g. repulsive forces to
prevent different individual physical bodies from penetrating each
other. Note that the SPH smoothing kernel diameter used for computing
long range, nonlocal interactions, is set using the <em>diameter</em>
keyword.</p>
<p>Keywords <em>i_name</em> and <em>d_name</em> refer to custom integer and
floating-point properties that have been added to each atom via the
<a class="reference internal" href="fix_property_atom.html"><em>fix property/atom</em></a> command. When that command