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vesna wrote: > What was the question exactly? The damping matrix D is specified as a combination of stiffness and mass-proportional damping matrices: D = $alphaM * M + $betaK * Kcurrent +$betaKinit * Kinit + $betaKcomm * KlastCommit (1) How to obtain alphaM, betaK ...? We calculate alphaM and betaK ...

vesna wrote:
> What was the question exactly?

hi,

I have a question. Should we include the geometric stiffness matrix in stiffness matrix for calculating Rayleigh damping or not?

Yours faithfully,

Cuong