Velocity and Pressure Dependent Friction: Difference between revisions

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| '''$A''' || nominal contact area
| '''$A''' || nominal contact area
|-
|-
| '''$deltaMu''' || pressure parameter
| '''$deltaMu''' || pressure parameter calibrated from experimental data
|-
|-
| '''$alpha''' || pressure parameter
| '''$alpha''' || pressure parameter calibrated from experimental data
|-
|-
| '''$transRate''' || transition rate from low to high velocity
| '''$transRate''' || transition rate from low to high velocity
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EXAMPLES:
EXAMPLES:


frictionModel VPDependent 1 1 2 20.0 2.50 0.02 -P 1 -Mz 2;
frictionModel VPDependent 1 0.085 0.163 7.0686 0.05 0.08 0.77





Revision as of 18:35, 18 March 2010




This command is used to construct a VPDependent friction model object.

frictionModel VPDependent $frnTag $muSlow $muFast0 $A $deltaMu $alpha $transRate

$frnTag unique friction model object tag
$muSlow coefficient of friction at low velocity
$muFast0 initial coefficient of friction at high velocity
$A nominal contact area
$deltaMu pressure parameter calibrated from experimental data
$alpha pressure parameter calibrated from experimental data
$transRate transition rate from low to high velocity


EXAMPLES:

frictionModel VPDependent 1 0.085 0.163 7.0686 0.05 0.08 0.77



Code Developed by: Andreas Schellenberg, University of California, Berkeley.