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[Jan Stránský <question222363@xxxxxxxxxxxxxxxxxxxxx>]

Question #222363 on Yade changed:
https://answers.launchpad.net/yade/+question/222363

Jan Stránský posted a new comment:
Hello,

in the formulas (1) and (2), E and P does not refer to macroscopic
parameters. E and P refer to material parameters "young" and "poisson", but
they ar NOT the same as macroscopic Young's modulus and Poisson's ratio.

Furthermore, from your question I could not really understand what your
problem is. Could you please be more clear?
thanks
Jan


2013/5/7 Fu zuoguang <question222363@xxxxxxxxxxxxxxxxxxxxx>

> Question #222363 on Yade changed:
> https://answers.launchpad.net/yade/+question/222363
>
> Fu zuoguang posted a new comment:
> Dear all:
>      Thanks for helping me last time and I have some questions about the
> Parameters about Kn and Ks. I have read Yade's documents and the Question
> #222363 from Henry. Despite I have known that the relationship between
> micro-parameters
> Kn, Ks and macro-parameters E,P can be described as:
> Kn=2.*E*R1*E*R2/(E*R1+E*R2) (1)
> Ks/Kn=P (2)
> these can not solve my problem completely because that in my simulation,
> Kn and Ks are unchanged in different contacts. How can I do to achieve this.
> Seeking your help
> 1
>
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