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Sound Radiation from Finite Submerged the Reinforced Double Cylindrical Shells

机译:有限的淹没钢筋圆柱壳产生的声辐射

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The Donnell theory of shell was applied to describe shell motion. The inner and outer shells were reinforced by transversecomponents. Using deformation harmonious conditions of the interface, the effects of reinforced were treated as reverse forces andmoments of the interface and moments on the double cylindrical shells. In the acoustic field produced by vibration and soundradiation of the double shells. The structure dynamic equation, Helmholhz equation in the fluid and the continuity of the surface offluid structure compose the vibration equation coupled by the sound fluid structure. The extract of acoustic pressure comes down tothe extract of coupling vibration equation. The near field acoustic pressure can be solved directly by complicated calculationmethods.
机译:唐纳尔的壳理论被用来描述壳的运动。内壳和外壳由横向组件增强。利用界面的变形协调条件,将钢筋的作用视为界面的反作用力和力矩以及双圆柱壳的弯矩。在由双壳的振动和声辐射产生的声场中。流体中的结构动力学方程,Helmholhz方程和流体表面连续性构成了由声流体结构耦合的振动方程。声压的提取归结为耦合振动方程的提取。可以通过复杂的计算方法直接求解近场声压。

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