Hi Chiara, If you need an incremental formulation for your contact law (to know if there is load or unload), I advice you to look at the contact law (NormalInelasticityLaw.cpp) written by Jerome Duriez. More precisely this test: if(un > currentContactPhysics->unMax) .....
The different data (as unMax) are saved into this file (NormalInelasticityPhys). I hope that I have helped you. Regards Jf 2010/4/7 chiara modenese <[email protected]> > Hi all, > > I need the incremental formulation for the normal force in the contact law. > Could you tell me how to do that? Should I simply used the normalVelocity > component computed at contact as we do for the shear force? What about the > sign convention? Should it remain the same, right? > > Thanks, Chiara > > _______________________________________________ > Mailing list: > https://launchpad.net/~yade-dev<https://launchpad.net/%7Eyade-dev> > Post to : [email protected] > Unsubscribe : > https://launchpad.net/~yade-dev<https://launchpad.net/%7Eyade-dev> > More help : https://help.launchpad.net/ListHelp > >
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