 Wysłany: Nie 3:49, 08 Maj 2011 Temat postu: Tory Burch shoes Green function method based on th |
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Green function method based on the structure of an Enclosure - Acoustic Coupling of amplitudeofvelocitythatisobtainbycombiningGreenfunctionofstructure,oakley solbriller, vibrationequationofapanelandboundaryconditions. Thesetwoformulashaveobviousphysicalexplanationsandareeasytobetransformedin-t0matrixformulasthataresoconvenientthatnumericalsimulationcanbecarriedoutdirectlywithacomputer. Themethod0fnumericalsimulationcanbeusedinanenclosurewithanygeometricalshape. Thesetwoformulasaretheessentialbasisfortheanalvsisofstructural-acousticcouplingofanenclosure. Thesimulationpartiscarriedoutbytransforminganalyticalfor-mulasintomatrixformulas. Basedonthemodelofarectangularenclosure, modesofsoundpressureandflexiblepanelareobtainedbyFEM. Thenmodalcouplingcoefficientsaresynthesized. Finally, theresponsesofsoundpressureandpanelve-locitvareworkedout. TheresultofthesimulationmethodcoincideswellwiththeanalyticalresultandKim'sexperimentalresuh. Thetheoryandthesimulationarealsoappliedtoamodelofanirregularenclosure. Theresultissatisfactory. Keywords: structuralvibrationIfiniteelementmethodsIstructural-acousticcouplingIenclosureIcomputersimulation first author: Luo, male, Ph.D., 1973, 10B students. Phone: (021) 54741481; E-mail. . 1uocha02000 @ hotmail. com After careful deliberation the meeting to discuss . The new editorial board is based on Editorial Committee to maintain the total number of the basic premise of constant adjustment and enrichment to young professionals more than 20 new members mainly to form the new Editorial Board. In order to ensure the quality of,christian louboutin sko, the meeting decided to implement editor, deputy editor of accountability; also asked the editorial board of the new effective implementation of obligations, and actively contributors,Christian Louboutin, soliciting contributions and timely due diligence reviewers,Abercrombie Deutschland, and the Executive director of the editorial board would be the last of you experts, 相关的主题文章： Óculos Oakley China South International Industrial gorras ed hardy Light drying online print _5018 tory burch London Variable Refrigerant Volume (VRV |
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