Tagged: Contact Stiffness
June 6, 2022 at 9:58 amFAQParticipant
Higher contact stiffness gives less penetration which in turn gives better accuracy. But higher contact stiffness is also reflected in global coefficients matrix. Higher coefficients make the matrix more ill-conditioned. A PCG solver is sensitive to the ill-conditioned matrices. Thus it will need more iterations which in turn creates longer solution time.
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