NUMERICAL ANALYSIS OF A FEM FOR A TRANSIENT VISCOELASTIC FLOW-中国Betway体育网页登陆

摘要 WepresentthenumericalanalysisofacoupledmethodforthenumericalsimulationoftransientviscoelasticflowobeyingadifferentialconstitutiveequationwithaNewtonianviscosity.TheschemeusedisbasedonEulerimplicitmethodintimeandmaintainsateachtimestepacoupleofthevelocityuandtheviscoelasticpartofthestressσ.Approximationinspaceismadebyfiniteelementmethod.Theapproximatestress,velocityandpressureare,respectively,P1-continuous,p2-continuous,andp1continuous.Upwindingneededforconvectionofσismadebya'StreamlineUpwindPetrovGalerkin'method(SUPG).

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NUMERICAL ANALYSIS OF A FEM FOR A TRANSIENT VISCOELASTIC FLOW

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