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数值模拟在钱塘江涌潮分析中的应用──Ⅱ.计算结果和分析

THE APPLICATION OF NUMERICAL SIMULATION INANALYSIS OF QIANTANGJIANG TIDEPart II: Result and Discussion

  • 摘要: 关于钱塘江涌潮分析中用数值模拟的计算结果和分析,对于一维情况,采用有精确解问题的计算、水跃的数值模拟和溃坝的数值模拟来检验数值方法的正确性,并将该方法应用于钱塘江涌潮的计算.对于二维情况,对存在理论解的直道水激波与有实验数据的湾道溃坝和非线性水波爬坡问题进行了计算,并将该方法应用于钱塘江涌潮的计算,数值计算结果表明了方法的有效性.

     

    Abstract: This paper is the second part of the present paper. For 1D situation, three numericalexamples, i.e. the computation of a problem with exact solution, numerical simulation of waterjump and collapsed-dam, are computed. The computation of problem with exact solution is usedto check the accuracy of the numerical method. The result of numerical simulation of water jumpindicates its applicability to describe the movement of nonlinear water wave by comparing withthe theoretical result. The result of break-dam comp...

     

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