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摘要：
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在文献[3]的基础上,本文考虑了海底地形底摩擦引起的波能损耗对抛物线方程法计算水波折射和绕射的影响.已有的计算结果表明.本文在缓坡方程中采用的摩阻因子公式,具有较高的数值计算精度.本文方法可被用来计算实际工程中大港湾开敞水域的波浪传播.
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On the basis of refernce [3] .the effect of wave energy loss caused by bottom friction developed on the seabed topography upon the refraction and defraction of water waves calculated with parabolic equations is considered in the paper. The calculated results show that the factional formula for friction drag, which has been used in solving the equations for gentle slopes, has a high accuracy in numerical calculations. The procedures given in this paper may be used to calculate wave propagation in exposed water, in large harbours and bays for practical engineering projects.
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