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[Question #632699]: A simple question on selection of alphaKr and alphaKtw

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: Huihuang Xia <question632699@xxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 16 May 2017 11:27:45 -0000
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New question #632699 on Yade:
https://answers.launchpad.net/yade/+question/632699

Hi,

CohFrictMat was used to model breakage of brittle materials, but I have no idea on how to select two parameters: alphaKr and alphaKtw.

In my previous simulations, I chose the default value (2.0) of alphaKr and alphaKtw. But the agglomerate created by bonding lots of cohesive sub-particles has a big plastic deformation rather than fragile breakage when this agglomerate impacting on a rigid wall.

Can you give me a hint to solve this problem?
Thanks in advance,

Huihuang

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