An Integrated Media, Integrated Processes Watershed Model – WASH123D: Part 4 – A characteristics-based finite element method for 2-D overland flow

The Method of Characteristics (MOC) in the context of finite element method was applied to the complete 2-D shallow water equations for 2-D overland flow. For two- dimensional overland flow, finite element or finite volume methods are more flexible in dealing with complex boundary. Recently, finite volume methods have been very popular in numerical solution of the shallow water equations. Some have pointed out that finite volume methods for 2-D flow are fundamentally one-dimensional (normal...
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