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首页> 外文期刊>Nonlinear processes in geophysics >Derivation of Boussinesq's shoaling law using a coupled BBM system
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Derivation of Boussinesq's shoaling law using a coupled BBM system

机译:使用耦合BBM系统推导Boussinesq的浅滩定律

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This paper is focused on finding rules for waveheight change in a solitary wave as it runs up a slowly increasing bottom. A coupled BBM system is used to describe the solitary waves. Expressions for energy density and energy flux associated with the BBM system are derived, and the principle of energy conservation is used to develop an equation relating the waveheight and undisturbed depth to the initial undisturbed depth and the incident waveheight. In the limit of zero waveheight, Boussinesq's shoaling law is recovered.
机译:本文的重点是寻找孤波在缓慢上升的底部运行时波高变化的规则。耦合BBM系统用于描述孤立波。推导了与BBM系统相关的能量密度和能量通量的表达式,并利用能量守恒原理建立了一个将波高和未扰动深度与初始未扰动深度和入射波高相关的方程。在零波高的极限下,Boussinesq的浅滩定律得以恢复。

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