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- W2317655143 abstract "Several free-surface flow problems involve the intermittent wetting and drying of arbitrary topography and simulating these processes is becoming increasingly important. For example, predictions of flooding due to a storm surge, breached dam, or overtopped levee are critical for disaster planning. Wave run-up estimates are needed for beach and coastal structure design. Descriptions of inundation, both in estuarine tidal flats and riverine flood plains, are key to predicting the transport of suspended and dissolved substances. Often such problems are modeled with depth-averaged flow equations that assume a hydrostatic pressure distribution. However, there are some instances where the flow is inherently three-dimensional and a depth-averaged treatment yields poor predictions. Therefore, an unsteady, three-dimensional model for free surface flow has been developed for simulating the wetting and drying of arbitrary terrain. The model is second-order accurate in space and time and is based on the finite volume method. Slope limiters are used to prevent the development of spurious oscillations at discontinuities. The model is applicable to both hydrostatic and nonhydrostatic flows. The standard k – ϵ turbulence model is employed to simulate breaking waves. Model predictions are compared with experimental data for nonlinear, solitary wave run-up on sloping beds. For weak nonlinearity, the hydrostatic model yields acceptable solution for run-up. However, for greater nonlinearity, the nonhydrostatic model yields a solution that more closely agrees with the data." @default.
- W2317655143 created "2016-06-24" @default.
- W2317655143 creator A5048721269 @default.
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- W2317655143 date "2002-07-23" @default.
- W2317655143 modified "2023-09-27" @default.
- W2317655143 title "Modeling Flows with Moving Boundaries due to Flooding, Recession, and Wave Run-Up" @default.
- W2317655143 doi "https://doi.org/10.1061/40628(268)45" @default.
- W2317655143 hasPublicationYear "2002" @default.
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