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Numerical models for dam-break flows at the intitial stage

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If you have a question about this talk, please contact Anne Alexander .

Lunch will be provided after the seminar

Abstract: Shallow water equations have been used widely to study the dam-break wave propagations. They are a set of hyperbolic equations, which admit discontinuities in the weak solutions. The discontinuities correspond to the hydraulic jumps and bores. However, the basic assumptions behind the shallow water equations include smooth variance, hydrostatic pressure distribution and zero vertical velocity components, which are apparently violated close to the discontinuities. The smoothed particle hydrodynamics model, where the three-dimensional Navier-Stokes equations with a free surface are solved, has been used to quantify the inaccuracies of the shallow water equations for predicting the initial-stage dam-break flows.

This talk is part of the Institute for Energy and Environmental Flows (IEEF) series.

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