Chiara, > There is something ringing in my head now that ktwist!=kroll. There is > something I need to > double-check in the rotations projection
Forget it. After many checks and thinking, I couldn't find a problem. Projections are correct. On a different aspect, there is maybe one thing you are not aware of. In unloading, you will unload plasticaly (maybe that is what you want? - honestly I don't think it makes less sense in the case of rolling friction). If you want to unload elasticaly, you need to record the plastic rotation. You can see a similar operation looking at the creep code, where crepped twist is stored and substracted from total twist. Bruno _______________________________________________ Mailing list: https://launchpad.net/~yade-dev Post to : [email protected] Unsubscribe : https://launchpad.net/~yade-dev More help : https://help.launchpad.net/ListHelp

