学科分类
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1 个结果
  • 简介:Anewcoupledfiniteelementformulationisproposedtocalculateaconformationtensormodelintwocomplexflows:aplanarcontractionflowandaplanarflowaroundasymmetricallyplacedcylinder.Thecomponentsofconformationtensorarefirstcomputedtogetherwiththevelocityandpressuretodescribethechangeofmorphologyofpolymerchaincoilsinflowfields.Macroscopicquantitiesofviscoelasticflowarethencalculatedbasedontheconformationtensor.Comparisonsbetweenthenumericalsimulationsandexperimentsforstresspatternsandvelocityprofilesarecarriedouttoprovethevalidityofthemethod.

  • 标签: 聚合体 形态学 有限元分析 数值模拟 黏弹性 力学性质