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[Question #700663]: Simple shear test

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From: Zekeriya Metehan Karslioglu <question700663@xxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 18 Feb 2022 08:35:45 -0000
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New question #700663 on Yade:
https://answers.launchpad.net/yade/+question/700663

Hello Yade users!

I would like to ask something about the tutorial example of periodic simple shear.  With defining "O.cell.velGrad = Matrix3(0, 0, .1, 0, 0, 0, 0, 0, 0)" constant-rate distorsion is applied on the periodic cell by this way we can get information about shear stress and shear strains. 

My question is that the sample volume stays constant while shearing in this simulation. Does it affect shear stress and shear strain? Because the test procedures for simple shear I've seen have horizontal displacement and volumetric change during shearing.

Best regards
Metehan Karslioglu

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