MECHANICAL AND ACOUSTIC RESPONSE OF AN UNDERWATER STRUCTURE SUBJECTED TO MECHANICAL EXCITATION-中国Betway体育网页登陆

摘要 Inthispaper,anunderwaterstructureismodeledasacylindricalshellwithinternalbulkheads,andclosedbyatruncatedconicalshell,anditconsistsofmetalsubstrateandsoundabsorbingcoating,whoseFGMcoreisconsidered.Supposetheinnercavityandouterspaceofthestructurearefilledwithairandfluidmediums,themechanicalresponseoftheunderwaterstructureiscalculatedwithGalerkinmethodwhiletheacousticresponseisinvestigatedbymeansoftheHelmholtzintegral.Somenumericalexamplesaregivenandtheeffectofgeometricalsizeandmaterialparametersonmechanicalandacousticresponseisdiscussed.

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MECHANICAL AND ACOUSTIC RESPONSE OF AN UNDERWATER STRUCTURE SUBJECTED TO MECHANICAL EXCITATION

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