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[Question #697139]: How to modify the rolling resistance

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: Zhicheng Gao <question697139@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 19 May 2021 08:55:48 -0000
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New question #697139 on Yade:
https://answers.launchpad.net/yade/+question/697139

I want to generate a dense sand assembly. Considering the particle shape and the residual strength in the triaxial test, I need to set the rolling resistance. But if I want to get a dense sand specimen, I need to set the rolling resistance and friction angle to a very small value first, and in the deviatoric compression process, I  need to modify the rolling resistance and friction angle to the calibration value. How to do that? I only know that the friction angle can be modified by setContactFriction. 

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