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題 名 | Boundary Knot Method Solution of Helmholtz Problems with Boundary Singularities |
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作 者 | Shen, De-jian; Lin, Ji; Chen, Wen; | 書刊名 | Journal of Marine Science and Technology |
卷 期 | 22:4 2014.08[民103.08] |
頁 次 | 頁440-449 |
專 輯 | Marine Engineering, Maritime, and Marine Affair |
分類號 | 440.1 |
關鍵詞 | Boundary knot method; Boundary singularities; Singularity subtraction technique; Helmholtz problem; |
語 文 | 英文(English) |
英文摘要 | This paper proposes a boundary knot method (BKM) formulation in conjunction with the singularity subtraction technique to solve Helmholtz problems with boundary singularities. The solution breaks down into the singular solution and the regular solution. The singular solution is derived analytically and satisfies the governing equation and the corresponding boundary conditions containing singularities. Then the regular solution is approximated by the BKM. Numerical results demonstrate the accuracy and efficiency of the proposed technique. |
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