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A HIGHLY ACCURATE BOUSSINESQ METHOD FOR FULLY NONLINEAR WAVES FROM SHALLOW TO DEEP WATER

机译:一种高度精确的BoussinesQ方法,用于从浅层到深水的完全非线性波

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摘要

A new method valid for highly dispersive and highly nonlinear water waves is presented. It combines a time-stepping of the exact surface boundary conditions with an approximate series expansion solution to the Laplace equation in the interior domain involving up to fifth-derivative operators. A numerical model is developed in a single horizontal dimension and it is used to study modulational instability in deep water.
机译:提出了一种对高度分散和高度非线性水波有效的新方法。它结合了具有近似串联膨胀解决方案的精确表面边界条件的时间级步骤,该解决方案涉及最多的第五衍生算子。在单个水平尺寸中开发了数值模型,它用于研究深水中的调制不稳定。

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