基于和谐性离散格式求解带源项的二维浅水方程

被引:8
作者
王昆
金生
马志强
高述峰
机构
[1] 大连理工大学土木水利学院海岸和近海工程国家重点实验室
关键词
二维浅水方程; HLL; 源项; 和谐性;
D O I
10.16076/j.cnki.cjhd.2009.05.012
中图分类号
TV131.4 [水力计算];
学科分类号
摘要
本文采用基于HLL近似Riemann解的Godunov格式,在三角形网格下,建立了二维浅水方程的有限体积数值离散模型。底坡源项采用与静压梯度项统一的矩阵散度处理方式,并证明了格式具备和谐性。通过算例验证了格式的有效性。
引用
收藏
页码:535 / 542
页数:8
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