GPU computing for shallow water flow simulation based on finite volume schemes |
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Authors: | Manuel J Castro Sergio Ortega Marc de la Asunción José M Mantas José M Gallardo |
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Institution: | 1. Dpto. de Análisis Matemático, Universidad de Málaga, Campus de Teatinos s/n, 29080 Malaga, Spain;2. Dpto. de Lenguajes y Sistemas Informáticos, Universidad de Granada, C./Periodista Daniel Saucedo Aranda s/n, 18071 Granada, Spain |
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Abstract: | This article is a review of the work that we are carrying out to efficiently simulate shallow water flows. In this paper, we focus on the efficient implementation of path-conservative Roe type high-order finite volume schemes to simulate shallow flows that are supposed to be governed by the one-layer or two-layer shallow water systems, formulated under the form of a conservation law with source terms. The implementation of the scheme is carried out on Graphics Processing Units (GPUs), thus achieving a substantial improvement of the speedup with respect to normal CPUs. Finally, some numerical experiments are presented. |
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