From: Benjamin Bouvier (benjamin.bouvier_at_ibcp.fr)
Date: Mon Jul 27 2009 - 06:02:12 CDT
I was wondering how exactly a group force, passed to NAMD using addGroup /
addForce from tclForces, was applied to the atoms building up the group. I
can imagine different possibilities:
1. All atoms inside the group are subjected to the given force;
2. Same as 1., but the force is divided by the number of atoms;
3. Each atomic force is reweighted by the ratio of the atom's mass over
the total group mass.
Which is it? Or is it something else still?
I can probably use the source to find the answer, but if anyone already
knows and is willing to save me some time ;-)
-- Benjamin Bouvier
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