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Re: [Question #203709]: Which physical parameters i need and how to add them

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: jduriez <question203709@xxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 20 Jul 2012 12:11:06 -0000
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Question #203709 on Yade changed:
https://answers.launchpad.net/yade/+question/203709

jduriez proposed the following answer:
> Is it correct to input young's modulus, poission's ratio and the
friction angle for the law of cundall and strack and the density for the
calculation of the gravity force?

Yes, not only correct, but also required. The law you plan to use :
Law2_Dem3Dof_CSPhys_CundallStrack, requires interaction data of "CSPhys"
type (see the name). Data that are computed "FrictMat" type (see the
previous "engine" Ip2_2xFrictMat_CSPhys() ).

Hence you need to define all data for FrictMat, otherwise default values
will be used.

Note that, for simulations with "Cundall-Strack" law, there is also
"Law2_ScGeom_FrictPhys_CundallStrack", for which you should probably
find several examples e.g. in the scripts.

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