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A mesh-less Refined Integral Algorithm (RIA) of Boundary Element Method (BEM) is proposed to accurately solve the Helmholtz Integral Equation (HIE). The convergence behavior and the practicability of the method are validated. Computational Fluid Dynamics (CFD), Finite Element Method (FEM) and RIA are used to predict the propeller excited underwater noise of the submarine hull structure. Firstly the...
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