Two-Dimensional Floodplain Modeling

by D. Michael Gee, Hydrologic Engineering Cent, St Davis, United States,
Malcolm G. Anderson, Hydrologic Engineering Cent, St Davis, United States,
Laura Baird, Hydrologic Engineering Cent, St Davis, United States,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract:

A two-dimensional horizontal finite element numerical model (RMA-2) was applied to a 15 mile (24 km) river channel-floodplain reach in West Germany. Previous applications of such models have been restricted to much smaller scales. The results indicate that finite element schemes may successfully estimate river stage in large scale floodplain applications. Computed stage hydrographs compared well with observed data using loss coefficients within expected ranges.

Subject Headings: Finite element method | Two-dimensional models | Rivers and streams | Floods | Numerical models | Hydrographs | Computer models | Germany | Europe

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