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[Bruno Chareyre <question688979@xxxxxxxxxxxxxxxxxxxxx>]

Question #688979 on Yade changed:
https://answers.launchpad.net/yade/+question/688979

    Status: Open => Answered

Bruno Chareyre proposed the following answer:
By this you simply set velgrad[0,0]=velgrad[1,1]=velgrad[2,2]=0, it is redundant with setting velGrad. 
For keeping constant volume you don't need triax engine at all..
Set triax.dead=True and inverse the sign of velGrad periodically based on your stress condition, it should be enough.
B

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