[ODE] physical significance of high mu values?

[Adam Rotaru]

  Howdy,

  I created a simple human physical model. I try to
use 
realistic numbers for units: size in meters, mass in
kg,
and -9.8 gravity.  After adjusting some parameters,
the
simulation behaves reasonably.
Here are some values I use: time step 0.025 s (1/40),
default global CFM&ERP, for joints: ERP=0.4, CFM=1e-4,
for contacts:
  contact[i].surface.mode = dContactSoftERP |
dContactSoftCFM;
  contact[i].surface.mu = 250.0;
  contact[i].surface.soft_erp = 0.5;
  contact[i].surface.soft_cfm = 1e-4;

Here's my question: the very high mu value of 250 does
not
seem physically plausible.  I always through friction
coefficients are supposed to be between 0 and 1.
Any explanations?
--adam





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