浪致近岸水位变化及流场的数值计算

摘要: 本文探讨了单频波浪入射到具有复杂地形(缓变坡度)的近岸水域所导致的水位变化和近岸流场的数值计算问题.用了联合折射-绕射波浪场模型方程确定波要素,对一个模型海区和一个实际海区进行了实际计算.讨论了考虑和不考虑绕射效应的波浪场对水位变化及近岸流场的影响.数值计算结果表明,计算的水位变化和近岸流场都是(定性)合理的,岸坡水位最大升高达深水入射波高的11.2%～15.3%(以上);考虑和不考虑绕射效应的波浪场对计算的水位变化和近岸流场都有影响,特别是对流速量值影响很大.
- 近岸水位变化 /
- 流场 /
- 波浪场 /
- 联合折射-绕射 /
- 波要素

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