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[Question #249399]: Question about the relationship between tension force and collision detection.

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From: jimtianxi <question249399@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 28 May 2014 07:21:51 -0000
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New question #249399 on Yade:
https://answers.launchpad.net/yade/+question/249399

I am using these classes now: ‘CohFrictMat’, ‘Ig2_Sphere_Sphere_ScGeom6D’, ‘Ip2_CohFrictMat_CohFrictMat_CohFrictPhys,’ ‘Law2_ScGeom6D_CohFrictPhys_CohesionMoment’, and have a question about the tension force and collision detection.

I know that under the ‘CohFrictMat’ material there exits tension force between two parted particles, and the impact range of tension force is determined by the two parameters: normalCohesion and shearCohesion. But if two particles are parted from each other, the potential interaction will be deleted in the exact collision detection step. So there comes a question that how the software ensure the tension force can be applied to two parted particles? Additionally, if there is tension force between parted particles, is there also a twist and bending moment?


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