Maio 2014 vol. 1 num. 1 - 10th World Congress on Computational Mechanics

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VALIDATION OF A NEW FULLY-EXPLICIT INCOMPRESSIBLE SMOOTHED PARTICLE HYDRODYNAMICS METHOD

Barcarolo, D. A. ; Touzé, D. le ; Vuyst, F. de ;

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The smoothed particle hydrodynamics method has been deeply studied and vali-dated for the past decades on a weakly-compressible fluid discretization for the Euler equa-tions. Recently several authors have proposed the use of SPH truly-incompressible algorithms in the most varied domains of computational fluid dynamics. Within this technique, based on the projection method, a pressure Poisson equation is solved to obtain an incompressible pressure profile. Even though good results have been achieved, the method lacks of CPU per-formance as an equation has to be solved implicitly. In this article we will present a new fully explicit Incompressible SPH. We will show that nevertheless the explicit resolution of the Eu-ler equations, very good results are achieved both for viscous flows and for free-surface flows. We are also going to assess the use of a more precise free-surface detection algorithm and a more simple and as performing stabilizing technique then the ones existing on the lite-rature.

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Palavras-chave: Smoothed Particle Hydrodynamics, Incompressible Flow, Explicit Formu-lation.,

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DOI: 10.5151/meceng-wccm2012-16774

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Como citar:

Barcarolo, D. A.; Touzé, D. le; Vuyst, F. de; "VALIDATION OF A NEW FULLY-EXPLICIT INCOMPRESSIBLE SMOOTHED PARTICLE HYDRODYNAMICS METHOD", p. 380-396 . In: In Proceedings of the 10th World Congress on Computational Mechanics [= Blucher Mechanical Engineering Proceedings, v. 1, n. 1]. São Paulo: Blucher, 2014.
ISSN 2358-0828, DOI 10.5151/meceng-wccm2012-16774

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