摘要
构造了一维非定常自由面浅水流动的隐式守恒差分格式.这种格式适用于模拟天然河道或水库中的溃坝洪水波传播.算例与解析解比较表明了算法的精度;天然梯级水库溃坝算例表明格式稳定性好,适应性强.
An Implicit conservative scheme for ID unsteady free - surface shallow water flows is presented. The scheme can be applied to simulating dam -break flood wave propagation in the natural river courses. Numerical examples with analytical solutions are provided to test the performance of the method. Numerical experiments with dam -break problems in the natural cascade reservoirs show the scheme is stable and robust.
出处
《系统工程》
CSCD
1998年第2期53-56,共4页
Systems Engineering
关键词
天然河道
有限差分法
波传播
防洪
dam - break flood wave,natural river courses, finite difference method,shallow water -equations
