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IntroductionManyproblemsencounteredinengineeringpracticeandotherdisciplinescanbesummarizedintoPDEssuchasosmosis,diffusion,heatconduction,wavepropagation,etc.ItisthenofvitalsignificancehowtosolvePDEsbothrapidlyandefficiently,ThenumericalsolutionsofPDEsarecustomarilyobtainedbythefiniteelementmethod(FEM),thefinitedifferencemethod(FDM)!and.the,,[l'2).Thesemethods,however,showtheirdemeritsforlargercomputationaldomains.AsforFEM,thevastnumberofunknownscausedbyspacecoordinatediscretizationlead… 相似文献
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运用摄动理论首次将Reissner板理论分解为一系列Kirchhof板理论的叠加。这样,Reissner板问题的解答就可通过在具体边界条件下求解一系列Kirchhof板问题来获得。算例表明,本文方法简单,只需摄动两次就能接近Reissner板理论的精确解,适合在实际工程中推广 相似文献
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