Hi,
Does anyone can give me a reference about the equations used in
Shop::getViscoelasticFromSpheresInteraction?
Usually, I use somethink like that:
f_n = k_n * d_n + alpha_n * nu_crit * v_n,
where nu_crit is computed for ALL contacts with spring-mass
assumption, and alpha_n is a 'ponderator' in the range [0, 1[.
alpha_n can easily be related to a restitution coefficient by
accounting for the time step.
For f_t, this is roughly the same.
For the moment, I would like to avoid to write a second version of
the visco-elastic law. I will try to understand first the current
law, but I need more explanations, so please...
Thanks,
Vincent Richefeu
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