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本文讨论作用在大型近海建筑物上的非线性浅水陡波波浪荷载的计算问题。文中首先阐述了为更有效地和经济地应用艾萨克逊不久前提出的非线性绕射数值计算而所做的若干改进措施,同时将本法和其它一些近似计算方法计算结果以及作者所做的浅水陡波绕射试验成果进行了比较,表明改进后的非线性绕射数值计算与试验结果非常接近。此外,本法在理论上是合理的,计算上是行之有效的。
This paper discusses the calculation of wave loads on nonlinear shallow steep waves acting on large offshore structures. In this paper, some improvements to the numerical calculation of nonlinear diffraction recently proposed by Isaacson are expounded in the first place. At the same time, the calculation results of this method and some other approximate calculation methods, The comparison of the diffraction results of shallow steep wave diffraction shows that the numerical calculation of the improved nonlinear diffraction is very close to the experimental one. In addition, this law is theoretically reasonable and computationally effective.