git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@2815 f3b2605a-c512-4ea7-a41b-209d697bcdaa

This commit is contained in:
sjplimp 2009-05-12 13:34:00 +00:00
parent acbd3c0081
commit b421696569
2 changed files with 19 additions and 8 deletions

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@ -50,10 +50,11 @@ pair_style gran/hooke 200000.0 70000.0 50.0 30.0 0.5 0
<P><B>Description:</B>
</P>
<P>The <I>gran</I> styles use the following formulas for the frictional force
between two granular particles, as described in <A HREF = "#Silbert">(Silbert)</A>
and in <A HREF = "#Zhang">(Zhang)</A>, when the distance r between two particles of
radii Ri and Rj is less than their contact distance d = Ri + Rj.
There is no force between the particles when r > d.
between two granular particles, as described in
<A HREF = "#Brilliantov">(Brilliantov)</A>, <A HREF = "#Silbert">(Silbert)</A>, and
<A HREF = "#Zhang">(Zhang)</A>, when the distance r between two particles of radii
Ri and Rj is less than their contact distance d = Ri + Rj. There is
no force between the particles when r > d.
</P>
<P>The two Hookean styles use this formula:
</P>
@ -196,6 +197,11 @@ is only enabled if LAMMPS was built with that package. See the
</P>
<HR>
<A NAME = "Brilliantov"></A>
<P><B>(Brilliantov)</B> Brilliantov, Spahn, Hertzsch, Poschel, Phys Rev E, 53,
p 5382-5392 (1996).
</P>
<A NAME = "Silbert"></A>
<P><B>(Silbert)</B> Silbert, Ertas, Grest, Halsey, Levine, Plimpton, Phys Rev

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@ -39,10 +39,11 @@ pair_style gran/hooke 200000.0 70000.0 50.0 30.0 0.5 0 :pre
[Description:]
The {gran} styles use the following formulas for the frictional force
between two granular particles, as described in "(Silbert)"_#Silbert
and in "(Zhang)"_#Zhang, when the distance r between two particles of
radii Ri and Rj is less than their contact distance d = Ri + Rj.
There is no force between the particles when r > d.
between two granular particles, as described in
"(Brilliantov)"_#Brilliantov, "(Silbert)"_#Silbert, and
"(Zhang)"_#Zhang, when the distance r between two particles of radii
Ri and Rj is less than their contact distance d = Ri + Rj. There is
no force between the particles when r > d.
The two Hookean styles use this formula:
@ -186,6 +187,10 @@ is only enabled if LAMMPS was built with that package. See the
:line
:link(Brilliantov)
[(Brilliantov)] Brilliantov, Spahn, Hertzsch, Poschel, Phys Rev E, 53,
p 5382-5392 (1996).
:link(Silbert)
[(Silbert)] Silbert, Ertas, Grest, Halsey, Levine, Plimpton, Phys Rev
E, 64, p 051302 (2001).