Hard sphere potential

From: M.Raviprasad (M.Raviprasad_at_my.ndsu.edu)
Date: Thu Feb 02 2012 - 20:20:14 CST

Hi Jim,

This is regarding "repulsive/hard sphere simulation" posted long time ago. You mentioned in that post " I'd suggest modeling it as a very stiff "soft" interaction"

1] What do you mean by Stiff "soft" interaction? If you could explain, that would be helpful.
2] Say... system composed of few polymer chains and one oxygen atom as a hard sphere. How do I represent the oxygen atom as a hard sphere potential? [ Oxygen atom has to move within polymer system by having only kinetic energy like a hard ball]


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