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1 个结果
  • 简介:Theaimofthispaperistoevaluatetheeffectsofuncertain-but-boundedparametersonthedynamicresponseofstructures.Bycombiningtheintervalmathematicsandthefiniteelementanalysis,themassmatrix,dampingmatrix,stiffnessmatrixandtheexternalloadsarerepresentedasintervalmatricesandvector.Withthehelpoftheoptimizationtheory,wepresentthevertexsolutiontheoremfordeterminingboththeexactupperboundsormaximumvaluesandtheexactlowerboundsorminimumvaluesofthedynamicresponseofstructures,inwhichtheseparametersreachtheirextremevaluesontheboundaryoftheintervalmass,damping,stiffnessmatricesandtheintervalexternalloadsvector.Threeexamplesareusedtoillustratethecomputationalaspectsofthepresentedvertexsolutiontheorem.

  • 标签: 结构动力响应 动态响应 定理 顶点 下界 有界