| Hong Guangwen. 1992. Theoretical solution for wave diffraction by wedge or corner with arbitrary reflection characteristics. Acta Oceanologica Sinica, (2):287－303 |
| Theoretical solution for wave diffraction by wedge or corner with arbitrary reflection characteristics |
| Theoretical solution for wave diffraction by wedge or corner with arbitrary reflection characteristics |
| Received:December 20, 1990 Revised:June 15, 1991 |
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| Abstract: |
| An exact analytic solution for wave diffraction by wedge or corner with arbitrary angle (rπ) and reflection coefficients (R0 and Rr) is presented in this paper. It is expressed in two forms-series and integral representations, corresponding recurrence relation and asymptotic expressions are also derived. The solution is simplified for some special cases of rπ. For Rr=R0,r=1/N and Rr≠R0,r=1/2N, the solution can be reduced to linear superpositions of incident and partially reflected waves, hence a nonlinear solution of forth order for this problem can be obtained by using the author's theory of nonlinear interaction among gravity surface waves. The given solution is related to inhomogeneous Robin boundary conditions, which include the Neumann boundary conditions usually accepted in wave diffraction theory. |
| 中文摘要: |
| An exact analytic solution for wave diffraction by wedge or corner with arbitrary angle (rπ) and reflection coefficients (R0 and Rr) is presented in this paper. It is expressed in two forms-series and integral representations, corresponding recurrence relation and asymptotic expressions are also derived. The solution is simplified for some special cases of rπ. For Rr=R0,r=1/N and Rr≠R0,r=1/2N, the solution can be reduced to linear superpositions of incident and partially reflected waves, hence a nonlinear solution of forth order for this problem can be obtained by using the author's theory of nonlinear interaction among gravity surface waves. The given solution is related to inhomogeneous Robin boundary conditions, which include the Neumann boundary conditions usually accepted in wave diffraction theory. |
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