一般边界条件下复合圆锥壳水下振声特性研究

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中图分类号：U661.44 文献标志码：A DOI： 10.16385/j.cnki.issn.1004-4523.202311040

Abstract：Asemanalyticalmodelingadsolvingmethodisproposedforthunderwatervboacousticaalysisofompositecocalels withgeneralboundaryconditions.Basedonthefirst-ordersheardeformationtheory，virtualspringboudaryconstraintmethodandthe Rayleigh-Ritzmethod，thedynamicquationsof thecompositeconicalshelsarederivedThHelmholtzintegralequationanditsGren functionolutioesedtotablishtacousticstructueoupgconditiosetwnthsellandtextealflowfeldTeeater vibrationode，radiatedsoundpresureandsoundpowerofthecompositeconicalselsareobtainedbysolvingthestructuralkinetic equationsandtesound-structurecouplingequatiosscronouslyAcomparisonofpresentresultsithtosepedictedbyanaproiately analyticalmethodinopenliteratureverifiestheaccuracyandconvergenceofthepresentmethodMoreover，theeectsoflamination schemes，boudaryonditosadateralpametersonthedewatervboacousticaracteristicsofhecompositeoicalsse investigatedTdateat，encessdmatealoficalelotantumbofatols litlefectodeaeouidiaacestofalslwesofatioe the underwater acoustic radiation characteristics significantly.

Keywords：general boundaryconditions;compositeconical shell;underwatervibration;underwater soundradiation

水下潜航器作为独具特色的水下作战力量备受各国海军重视，而良好的声隐蔽性是其发挥机动性、突击性和提高自身生存能力的先决条件。（剩余12939字）