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[Jan Stránský <question688950@xxxxxxxxxxxxxxxxxxxxx>]

Question #688950 on Yade changed:
https://answers.launchpad.net/yade/+question/688950

    Status: Open => Answered

Jan Stránský proposed the following answer:
Hello,

because of implementation reasons, you have to set the velGrad as a Matrix3 at once (I can provide links if wanted). So
O.cell.velGrad[0,2]=Matrix3(0,0,0.01, 0,0,0, 0,0,0)
or
O.cell.velGrad = O.cell.velGrad + Matrix3(0,0,0.01, 0,0,0, 0,0,0)
should fix the problem

cheers
Jan

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