Solving the Two-Dimensional Diffusion Flow Modelby T. V. Hromadka, II, US Geological Survey, Water, Resources Div, Reston, VA, USA,
Chintu Lai, US Geological Survey, Water, Resources Div, Reston, VA, USA,
Abstract: A simplification of the two-dimensional (2-D) continuity and momentum equations is the diffusion equation. To investigate its capability, the numerical model using the diffusion approach is applied to a hypothetical failure problem of a regional water reservoir. The model is based on an explicit, integrated finite-difference scheme, and the floodplain is simulated by a popular home computer which supports 64K FORTRAN. Though simple, the 2-D model can simulate some interesting flooding effects that a 1-D full dynamic model cannot.
Subject Headings: Two-dimensional models | Hydrologic models | Computer models | Simulation models | Two-dimensional flow | Failure analysis | Flow simulation | Diffusion
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