NUMERICAL SIMULATION OF WIND EFFECTS ON BREAKING SOLITARY WAVES BY NAVIER-STOKES EQUATIONS

机译：Navier-Stokes方程对孤波破裂风效应的数值模拟

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A two-phase flow model is addressed in this study to investigate effects of wind on breaking solitary waves, by solving the Reynolds-averaged Navier-Stokes (RANS) equations simultaneously for the flows both in the air and water, in which the free surface is calculated by the Volume-of-Fluid (VOF) method. First, the proposed model is validated with the experiment by Syno-lakis [1] of a breaking solitary wave without wind on a 1 :19.85 impermeable beach. Then the wind effects are taken into account for modelling breaking solitary waves and it is found that the wind alters the airflow structure above the water wave; affects the wave breaking and runup process; increases the velocity in the water and causes the waves to break earlier, which agrees with previous laboratory experiment by Douglass [2].

机译：通过同时求解空气和水中自由流动的雷诺平均Navier-Stokes（RANS）方程，本研究提出了一种两相流模型，以研究风对打破孤立波的影响。通过液体体积（VOF）方法计算。首先，通过Syno-lakis [1]的实验对1：19.85不可渗透海滩上的无风破裂孤波进行了验证。然后考虑了风的影响来模拟孤立波的破裂，发现风改变了水波上方的气流结构。影响波浪破碎和加速过程；增加了水中的速度并导致波浪更早破裂，这与道格拉斯[2]先前的实验室实验是一致的。

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来源
《Proceedings of the 28th international conference on ocean, offshore and arctic engineering 2009》|2009年|P.335-343|共9页
会议地点 Honolulu HI(US);Honolulu HI(US);Honolulu HI(US)
作者
Zhihua Xie; Xianyun Wen; Andrew N. Ross;
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作者单位

Centre for Computational Fluid Dynamics University of Leeds Leeds, LS2 9JT, UK;

School of Earth and Environment Centre for Computational Fluid Dynamics University of Leeds Leeds, LS2 9JT, UK;

School of Earth and Environment University of Leeds Leeds, LS2 9JT, UK;

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正文语种 eng
中图分类海洋工程;
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4. Numerical Simulation of Wind Effects on Breaking Solitary Waves [C] . S. Yan, Q.W. Ma The proceedings of the nineteenth (2009) international offshore and polar engineering conference (ISOPE-2009) . 2009

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NUMERICAL SIMULATION OF WIND EFFECTS ON BREAKING SOLITARY WAVES BY NAVIER-STOKES EQUATIONS

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