Riemann problem with nonlinear resonance effects and well-balanced Godunov scheme for shallow fluid flow past an obstacle (Q2706403)
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scientific article
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Riemann problem with nonlinear resonance effects and well-balanced Godunov scheme for shallow fluid flow past an obstacle |
scientific article |
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19 March 2001
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numerical processing of the source term
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Riemann problem with nonlinear resonance effects and well-balanced Godunov scheme for shallow fluid flow past an obstacle (English)
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The paper presents a new kind of numerical processing of the source term arising in shallow water systems with an arbitrary bottom topography which is modeled by a linearly degenerated field. Thereby a Godunov scheme is proposed which increases the accuracy and preserves the balance between the source terms and the fluxes.
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