| Computation of Wave Refraction-Diffraction with Error Vector Propagation Method |
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| 作者单位： | Zuo Qihua，Yao Guoquan and Ding Bincan
Senior Engineer，Nanjing Hydraulic Research Institute，Nanjing 210029
Professor and Senior Engineer，Nanjing Hydraulic Research Institute，Nanjing 210029
Engineer，Nanjing Hydraulic Research Institute，Nanjing 210029 |
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| 摘 要： | After modifying the basic computation model made by Panchang (1988), the error vector propagation (EVP) method has been adopted to compute the combined effects of water wave refraction and diffraction in the presence of reflection boundary. The results show that the present method is successful in restraining the noise in Panchang's solution. Compared to other numerical methods for the mild-slope wave equation, EVP method can both consider the influence of reflection and save computer memory and computing time.
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Computation of Wave Refraction-Diffraction with Error Vector Propagation Method |
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| Authors: | Zuo Qihua Yao Guoquan and Ding Bincan
Senior Engineer Nanjing Hydraulic Research Institute Nanjing
Professor and Senior Engineer Nanjing Hydraulic Research Institute Nanjing
Engineer Nanjing Hydraulic Research Institute Nanjing |
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| Institution: | Zuo Qihua,Yao Guoquan and Ding Bincan
Senior Engineer,Nanjing Hydraulic Research Institute,Nanjing 210029
Professor and Senior Engineer,Nanjing Hydraulic Research Institute,Nanjing 210029
Engineer,Nanjing Hydraulic Research Institute,Nanjing 210029 |
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| Abstract: | After modifying the basic computation model made by Panchang (1988), the error vector propagation (EVP) method has been adopted to compute the combined effects of water wave refraction and diffraction in the presence of reflection boundary. The results show that the present method is successful in restraining the noise in Panchang's solution. Compared to other numerical methods for the mild-slope wave equation, EVP method can both consider the influence of reflection and save computer memory and computing time. |
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| Keywords: | water wave refraction and diffraction numerical computation EVP method |
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