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New question #247806 on Yade:
https://answers.launchpad.net/yade/+question/247806

Hi everyone,

I want to apply a rigid body rotation on a periodic cell meantime maintain the configuration (relative particle position and contact force unchanged but only rotated). If I use O.cell.velGrad=Matrix3(0,sin(theta),0, -sin(theta),0,0, 0,0,0), the cell rotates but the configuration are also changed. Is there a way currently available to do the pure rotation?

Thanks,
Ning

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