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[Jan Stránský <question247006@xxxxxxxxxxxxxxxxxxxxx>]

Question #247006 on Yade changed:
https://answers.launchpad.net/yade/+question/247006

Jan Stránský proposed the following answer:
Hi Behzad,


> But, for example in which of those mentioned files are the simple
> equation of f=k*deltaU?
>
> Imagine I want to double the contact force in the simple elastic-elastic
> contact! It means let say instead of f=k*deltaU I wanna put
> f=2*k*deltaU.


what you want is evaluation of forces, i.e. what you need is Law2 (see also
previous email or user's manual). Specifically
pkg/dem/ElasticContactLaw.cpp, function
void Law2_ScGeom_FrictPhys_CundallStrack::go

cheers
Jan

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