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非静压方程与波作用谱模型的波浪传播嵌套模拟

DOI: 10.3969/j.issn.1006-7043.201302001

Keywords: 非线性浅水方程, 波作用谱模型, 非静压, 波浪嵌套

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Abstract:

为了合理描述波浪从大尺度范围到小尺度范围传播变形,将基于求解相位平均的波作用谱模型和求解相位的非静压波浪模型进行嵌套。非静压模型的嵌套边界条件由波作用谱模型计算得到的波浪谱经过空间和频率插值提供。波浪在等水深地形和斜坡地形上传播的嵌套模拟算例结果表明,嵌套模型可以获得较为准确的波高、周期以及波浪谱,可以合理描述波浪从大范围区域向小范围区域的传播

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