yade-users team mailing list archive

[boon chiaweng <booncw@xxxxxxxxxxx>]

It was claimed that the reason ScGeom can't use applyForceAtContact is that the position is not wrapped.  But the position attribute can be assessed from the "state" pointer: 
applyForceAtContactPoint(-currentContactPhysics->normalForce-shearForce, currentContactGeometry->contactPoint, id1, de1->se3.position, id2, de2->se3.position, ncb);

Another relevant question is, since the position can be obtained from the state pointer, why is it wrapped in Dem3DofGeom?

Related to HomotheticResize.  May I know the difference between velocity and displacement update for HomotheticResize?  Cundall and Thornton use displacement update.  




Boon  





 		 	   		  
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