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[Klaus Thoeni <klaus.thoeni@xxxxxxxxx>]

Hi Guys,

what value for refR does the GenericSpheresContact return for a facet? By 
introducing TRVAR2( Ra, Rb ) e.g. in Ip2_FrictMat_FrictMat_FrictPhys::go it 
seems if a sphere is intersecting with a facet the refR value for the facet is 
just 2*refR of the sphere. Is this true? And when yes, what's the reason? It's 
fundamental for kn and ks, isn't it?

Thanks,

Klaus