Abstract: An implicit dual time-stepping method (DTS) is applied to a Godunov-type finite-volume model for two-dimensional (2D) shallow-water flows on unstructured grids to improve run-time efficiency. In this model, an implicit ...

Abstract: The frequent extreme weather events have led to dramatic urban waterlogging and flash flood hazards in recent years, which result in heavy casualties and serious economic losses. Mountainous cities like Fuzhou, China, ...