求解非平底一维浅水方程的KFVS格式

被引:16
作者
徐昆
潘存鸿
机构
[1] 香港科技大学数学系
[2] 浙江省水利水电河口海岸研究设计院
关键词
一维浅水方程; Boltzmann方程; KFVS格式; 底坡项;
D O I
10.16076/j.cnki.cjhd.2002.02.002
中图分类号
O353.2 [波浪理论];
学科分类号
摘要
以 Boltzmann方程为基础 ,本文提出了求解非平底浅水方程的 KFVS(Kinetic FluxVector Splitting)格式。因通量计算中考虑了底坡项的作用 ,计算方法和谐 ,即在非平底静水计算中始终能保持流速为零 ,水位为常数。数值试验表明 ,无论是计算恒定流还是非恒定流 ,该方法具有健全性和高分辨率等特点
引用
收藏
页码:140 / 147
页数:8
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