From 7771093a6ae3dd0d3fec319d2e8144b5e8113233 Mon Sep 17 00:00:00 2001 From: sjplimp Date: Mon, 2 Nov 2009 18:25:19 +0000 Subject: [PATCH] git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@3286 f3b2605a-c512-4ea7-a41b-209d697bcdaa --- doc/pair_dpd.html | 5 +++-- doc/pair_dpd.txt | 5 +++-- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/doc/pair_dpd.html b/doc/pair_dpd.html index a4c2b5dba8..1b8156ecc2 100644 --- a/doc/pair_dpd.html +++ b/doc/pair_dpd.html @@ -38,8 +38,9 @@ a random force. Rij is a unit vector in the direction Ri - Rj, Vij is the vector difference in velocities of the two atoms = Vi - Vj, alpha is a Gaussian random number with zero mean and unit variance, dt is the timestep size, and w(r) is a weighting factor that varies between -0 and 1. Rc is the cutoff. Sigma is set equal to sqrt(2 T gamma), -where T is a parameter in the pair_style command. +0 and 1. Rc is the cutoff. Sigma is set equal to sqrt(2 Kb T gamma), +where Kb is the Boltzmann constant and T is the temperature parameter +in the pair_style command.

The pairwise energy associated with this potential is only due to the conservative force term Fc. diff --git a/doc/pair_dpd.txt b/doc/pair_dpd.txt index 1cb74e67e3..cb7d773a02 100644 --- a/doc/pair_dpd.txt +++ b/doc/pair_dpd.txt @@ -35,8 +35,9 @@ a random force. Rij is a unit vector in the direction Ri - Rj, Vij is the vector difference in velocities of the two atoms = Vi - Vj, alpha is a Gaussian random number with zero mean and unit variance, dt is the timestep size, and w(r) is a weighting factor that varies between -0 and 1. Rc is the cutoff. Sigma is set equal to sqrt(2 T gamma), -where T is a parameter in the pair_style command. +0 and 1. Rc is the cutoff. Sigma is set equal to sqrt(2 Kb T gamma), +where Kb is the Boltzmann constant and T is the temperature parameter +in the pair_style command. The pairwise energy associated with this potential is only due to the conservative force term Fc.