forked from lijiext/lammps
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@ -18,8 +18,8 @@
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<UL><LI>style = <I>angle</I> or <I>atomic</I> or <I>body</I> or <I>bond</I> or <I>charge</I> or <I>dipole</I> or <I>electron</I> or <I>ellipsoid</I> or <I>full</I> or <I>line</I> or <I>meso</I> or <I>molecular</I> or <I>peri</I> or <I>sphere</I> or <I>tri</I> or <I>hybrid</I>
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</UL>
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<PRE> args = none for any style except <I>body</I> and <I>hybrid</I>
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<I>body</I> args = Bstyle
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Bstyle = style of body particles
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<I>body</I> args = bstyle
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bstyle = style of body particles
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<I>hybrid</I> args = list of one or more sub-styles, each with their args
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</PRE>
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<P><B>Examples:</B>
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@ -27,9 +27,9 @@
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<PRE>atom_style atomic
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atom_style bond
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atom_style full
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atom_style body nparticle
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atom_style body nparticle 2 10
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atom_style hybrid charge bond
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atom_style hybrid charge body nparticle
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atom_style hybrid charge body nparticle 2 5
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</PRE>
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<P><B>Description:</B>
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</P>
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@ -122,21 +122,18 @@ points of the triangle).
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</P>
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<P>For the <I>body</I> style, the particles are arbitrary bodies with internal
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attributes defined by the "style" of the bodies, which is specified by
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the <I>Bstyle</I> argument. Each body particle stores moments of inertia
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and a quaternion 4-vector, so that its orientation can be time
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integrated. This atom style enables LAMMPS to work with particles
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that represent complex entities, such as surface meshes of discrete
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points, collections of sub-particles, deformable objects, etc. Of
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course, the interactions between pairs of bodies will need to be
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encoded in an appropriate pair style.
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the <I>bstyle</I> argument. This atom style enables LAMMPS to work with
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particles that represent complex entities, such as surface meshes of
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discrete points, collections of sub-particles, deformable objects,
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etc. Of course, the interactions between pairs of bodies will need to
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be encoded in an appropriate pair style.
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</P>
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<P>These are the body styles that LAMMPS currently supports. The name in
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the first column is used as the <I>Bstyle</I> argument for atom_style body:
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<P>The <A HREF = "body.html">body</A> doc page descibes the body styles LAMMPS
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currently supports, and provides more details as to the kind of body
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particles they represent. For all styles, each body particle stores
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moments of inertia and a quaternion 4-vector, so that its orientation
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and position can be time integrated due to forces and torques.
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</P>
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<DIV ALIGN=center><TABLE BORDER=1 >
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<TR><TD ><I>nparticle</I> </TD><TD > body with N sub-particles
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</TD></TR></TABLE></DIV>
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<HR>
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<P>Typically, simulations require only a single (non-hybrid) atom style.
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@ -162,15 +159,16 @@ styles; see <A HREF = "Section_modify.html">this section</A>.
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<A HREF = "read_data.html">read_data</A> or <A HREF = "create_box.html">create_box</A> command.
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</P>
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<P>The <I>angle</I>, <I>bond</I>, <I>full</I>, and <I>molecular</I> styles are part of the
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MOLECULAR package. The <I>line</I>, <I>tri</I>, and <I>body</I> styles are part of
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the ASPHERE pacakge. The <I>dipole</I> style is part of the DIPOLE
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package. The <I>peri</I> style is part of the PERI package for
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Peridynamics. The <I>electron</I> style is part of the USER-EFF package
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for <A HREF = "pair_eff.html">electronic force fields</A>. The <I>meso</I> style is part
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of the USER-SPH package for smoothed particle hydrodyanmics (SPH).
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See <A HREF = "USER/sph/SPH_LAMMPS_userguide.pdf">this PDF guide</A> to using SPH in
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LAMMPS. The <I>wavepacket</I> style is part of the USER-AWPMD package for
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the <A HREF = "pair_awpmd.html">antisymmetrized wave packet MD method</A>. They are
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MOLECULAR package. The <I>line</I> and <I>tri</I> styles are part of the
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ASPHERE pacakge. The <I>body</I> style is part of the BODY package. The
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<I>dipole</I> style is part of the DIPOLE package. The <I>peri</I> style is
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part of the PERI package for Peridynamics. The <I>electron</I> style is
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part of the USER-EFF package for <A HREF = "pair_eff.html">electronic force
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fields</A>. The <I>meso</I> style is part of the USER-SPH
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package for smoothed particle hydrodyanmics (SPH). See <A HREF = "USER/sph/SPH_LAMMPS_userguide.pdf">this PDF
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guide</A> to using SPH in LAMMPS. The
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<I>wavepacket</I> style is part of the USER-AWPMD package for the
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<A HREF = "pair_awpmd.html">antisymmetrized wave packet MD method</A>. They are
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only enabled if LAMMPS was built with that package. See the <A HREF = "Section_start.html#start_3">Making
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LAMMPS</A> section for more info.
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</P>
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@ -16,8 +16,8 @@ style = {angle} or {atomic} or {body} or {bond} or {charge} or {dipole} or \
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{electron} or {ellipsoid} or {full} or {line} or {meso} or \
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{molecular} or {peri} or {sphere} or {tri} or {hybrid} :ul
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args = none for any style except {body} and {hybrid}
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{body} args = Bstyle
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Bstyle = style of body particles
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{body} args = bstyle
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bstyle = style of body particles
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{hybrid} args = list of one or more sub-styles, each with their args :pre
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[Examples:]
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@ -25,9 +25,9 @@ style = {angle} or {atomic} or {body} or {bond} or {charge} or {dipole} or \
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atom_style atomic
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atom_style bond
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atom_style full
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atom_style body nparticle
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atom_style body nparticle 2 10
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atom_style hybrid charge bond
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atom_style hybrid charge body nparticle :pre
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atom_style hybrid charge body nparticle 2 5 :pre
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[Description:]
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@ -118,18 +118,17 @@ points of the triangle).
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For the {body} style, the particles are arbitrary bodies with internal
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attributes defined by the "style" of the bodies, which is specified by
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the {Bstyle} argument. Each body particle stores moments of inertia
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and a quaternion 4-vector, so that its orientation can be time
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integrated. This atom style enables LAMMPS to work with particles
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that represent complex entities, such as surface meshes of discrete
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points, collections of sub-particles, deformable objects, etc. Of
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course, the interactions between pairs of bodies will need to be
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encoded in an appropriate pair style.
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the {bstyle} argument. This atom style enables LAMMPS to work with
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particles that represent complex entities, such as surface meshes of
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discrete points, collections of sub-particles, deformable objects,
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etc. Of course, the interactions between pairs of bodies will need to
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be encoded in an appropriate pair style.
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These are the body styles that LAMMPS currently supports. The name in
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the first column is used as the {Bstyle} argument for atom_style body:
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{nparticle} | body with N sub-particles :tb(c=2,s=|)
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The "body"_body.html doc page descibes the body styles LAMMPS
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currently supports, and provides more details as to the kind of body
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particles they represent. For all styles, each body particle stores
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moments of inertia and a quaternion 4-vector, so that its orientation
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and position can be time integrated due to forces and torques.
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:line
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@ -156,15 +155,16 @@ This command cannot be used after the simulation box is defined by a
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"read_data"_read_data.html or "create_box"_create_box.html command.
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The {angle}, {bond}, {full}, and {molecular} styles are part of the
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MOLECULAR package. The {line}, {tri}, and {body} styles are part of
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the ASPHERE pacakge. The {dipole} style is part of the DIPOLE
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package. The {peri} style is part of the PERI package for
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Peridynamics. The {electron} style is part of the USER-EFF package
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for "electronic force fields"_pair_eff.html. The {meso} style is part
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of the USER-SPH package for smoothed particle hydrodyanmics (SPH).
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See "this PDF guide"_USER/sph/SPH_LAMMPS_userguide.pdf to using SPH in
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LAMMPS. The {wavepacket} style is part of the USER-AWPMD package for
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the "antisymmetrized wave packet MD method"_pair_awpmd.html. They are
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MOLECULAR package. The {line} and {tri} styles are part of the
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ASPHERE pacakge. The {body} style is part of the BODY package. The
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{dipole} style is part of the DIPOLE package. The {peri} style is
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part of the PERI package for Peridynamics. The {electron} style is
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part of the USER-EFF package for "electronic force
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fields"_pair_eff.html. The {meso} style is part of the USER-SPH
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package for smoothed particle hydrodyanmics (SPH). See "this PDF
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guide"_USER/sph/SPH_LAMMPS_userguide.pdf to using SPH in LAMMPS. The
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{wavepacket} style is part of the USER-AWPMD package for the
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"antisymmetrized wave packet MD method"_pair_awpmd.html. They are
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only enabled if LAMMPS was built with that package. See the "Making
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LAMMPS"_Section_start.html#start_3 section for more info.
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@ -379,12 +379,10 @@ It can be set to 0.0, which means that atom is a point particle.
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</P>
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<P>The ellipsoidflag, lineflag, triangleflag, and bodyflag determine
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whether the particle is a finite-size ellipsoid or line or triangle or
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body of finite size, or a point particle. Additional attributes must
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be defined for each ellipsoid in the <I>Ellipsoids</I> section. Additional
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attributes must be defined for each line in the <I>Lines</I> section.
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Additional attributes must be defined for each triangle in the
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<I>Triangles</I> section. Additional attributes must be defined for each
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body in the <I>Bodies</I> section.
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body of finite size, or whether the particle is a point particle.
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Additional attributes must be defined for each ellipsoid, line,
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triangle, or body in the corresponding <I>Ellipsoids</I>, <I>Lines</I>,
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<I>Triangles</I>, or <I>Bodies</I> section.
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</P>
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<P>Some pair styles and fixes and computes that operate on finite-size
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particles allow for a mixture of finite-size and point particles. See
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@ -395,10 +393,10 @@ particle volume to set the mass of each particle as mass = density *
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volume. In this context, volume can be a 3d quantity (for spheres or
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ellipsoids), a 2d quantity (for triangles), or a 1d quantity (for line
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segments). If the volume is 0.0, meaning a point particle, then the
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density value is used as the mass. One exception is for the body
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density value is used as the mass. One exception is for the body atom
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style, in which case the mass of each particle (body or point
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particle) is specified explicitly. This is because the volume of the
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body is not known.
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body is unknown.
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</P>
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<P>For atom_style hybrid, following the 5 initial values (ID,type,x,y,z),
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specific values for each sub-style must be listed. The order of the
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@ -475,14 +473,15 @@ script.
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</UL>
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<P>The <I>Bodies</I> section must appear if <A HREF = "atom_style.html">atom_style body</A>
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is used and any atoms are listed in the <I>Atoms</I> section with a
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bodyflag = 1. The number of bodies should be specified in the header
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section via the "bodies" keyword.
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is used and any atoms listed in the <I>Atoms</I> section have a bodyflag =
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1. The number of bodies should be specified in the header section via
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the "bodies" keyword.
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</P>
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<P>Each body can have a variable number of integer and/or floating-point
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values. The number and meaning of the values is defined by the Body
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style which will process and store them for each body. This style is
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given as an argument to the <A HREF = "atom_style.html">atom_style body</A> command.
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values. The number and meaning of the values is defined by the body
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style, as described in the <A HREF = "body.html">body</A> doc page. The body style
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is given as an argument to the <A HREF = "atom_style.html">atom_style body</A>
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command.
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</P>
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<P>The ninteger and ndouble values determine how many integer and
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floating-point values are specified for this particle. Ninteger and
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@ -355,12 +355,10 @@ It can be set to 0.0, which means that atom is a point particle.
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The ellipsoidflag, lineflag, triangleflag, and bodyflag determine
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whether the particle is a finite-size ellipsoid or line or triangle or
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body of finite size, or a point particle. Additional attributes must
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be defined for each ellipsoid in the {Ellipsoids} section. Additional
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attributes must be defined for each line in the {Lines} section.
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Additional attributes must be defined for each triangle in the
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{Triangles} section. Additional attributes must be defined for each
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body in the {Bodies} section.
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body of finite size, or whether the particle is a point particle.
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Additional attributes must be defined for each ellipsoid, line,
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triangle, or body in the corresponding {Ellipsoids}, {Lines},
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{Triangles}, or {Bodies} section.
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Some pair styles and fixes and computes that operate on finite-size
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particles allow for a mixture of finite-size and point particles. See
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@ -371,10 +369,10 @@ particle volume to set the mass of each particle as mass = density *
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volume. In this context, volume can be a 3d quantity (for spheres or
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ellipsoids), a 2d quantity (for triangles), or a 1d quantity (for line
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segments). If the volume is 0.0, meaning a point particle, then the
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density value is used as the mass. One exception is for the body
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density value is used as the mass. One exception is for the body atom
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style, in which case the mass of each particle (body or point
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particle) is specified explicitly. This is because the volume of the
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body is not known.
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body is unknown.
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For atom_style hybrid, following the 5 initial values (ID,type,x,y,z),
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specific values for each sub-style must be listed. The order of the
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@ -442,14 +440,15 @@ example: :l
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:ule
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The {Bodies} section must appear if "atom_style body"_atom_style.html
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is used and any atoms are listed in the {Atoms} section with a
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bodyflag = 1. The number of bodies should be specified in the header
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section via the "bodies" keyword.
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is used and any atoms listed in the {Atoms} section have a bodyflag =
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1. The number of bodies should be specified in the header section via
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the "bodies" keyword.
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Each body can have a variable number of integer and/or floating-point
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values. The number and meaning of the values is defined by the Body
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style which will process and store them for each body. This style is
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given as an argument to the "atom_style body"_atom_style.html command.
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values. The number and meaning of the values is defined by the body
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style, as described in the "body"_body.html doc page. The body style
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is given as an argument to the "atom_style body"_atom_style.html
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command.
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The ninteger and ndouble values determine how many integer and
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floating-point values are specified for this particle. Ninteger and
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