用NS方程模型模拟孤立波在各种防波堤堤前的爬高

被引:7
作者
刘长根
陶建华
机构
[1] 天津大学力学系
关键词
NS方程; VOF方法; 自由表面; 波浪爬高; 孤立波;
D O I
10.16076/j.cnki.cjhd.2004.04.012
中图分类号
O353.2 [波浪理论];
学科分类号
摘要
本文以Navier Stokes方程为控制方程,用k ε模型来封闭湍流模型,采用VOF方法来跟踪波动自由表面,建立了二维垂向数学模型。并用解析解和实验数据对模型进行了验证。利用此数学模型模拟了在水位较浅,不发生越浪的情况下,孤立波在直立堤、斜坡堤、半圆型防波堤堤前爬高的过程,并对波面、速度场和压强场进行了比较。
引用
收藏
页码:484 / 493
页数:10
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