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A two-dimensional dam-break flood plain model

T. V. Hromadka·C. E. Berenbrock·J. R. Freckleton·G. L. Guymon
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Abstract

A simple two-dimensional dam-break model is developed for flood plain study purposes. Both a finite difference grid and an irregular triangle element integrated finite difference formulation are presented. The governing flow equations are approximately solved as a diffusion model coupled to the equation of continuity. Application of the model to a hypothetical dam-break study indicates that the approach can be used to predict a two-dimensional dam-break flood plain over a broad, flat plain more accurately than a one-dimensional model, especially when the flow can break-out of the main channel and then return to the channel at other downstream reaches. ?? 1985.

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T. V. Hromadka, C. E. Berenbrock, J. R. Freckleton, G. L. Guymon. 1985. A two-dimensional dam-break flood plain model. https://doi.org/10.1016/0309-1708(85)90074-0

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