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Titre: | Towards numerical simulation tool of motion solid particles in fluid flow |
Auteur(s): | Zouaoui, S. Djebouri, H. Ferhat, B. Mohammedi, K. |
Mots-clés: | C++ (programming language) Finite volume method Navier Stokes equations Numerical methods Velocity Velocity control |
Date de publication: | 2021 |
Editeur: | International Society of Multiphysics |
Collection/Numéro: | International Journal of Multiphysics / Vol.15, N°3 (2021);pp. 311-324 |
Résumé: | We present here a numerical method to compute the motion of rigid particles in fluid flow with a non-elastic impact law. Many methods have been proposed recently and different strategies have been used to compute such flows. Our motivation is the handling of the non-overlapping constraint in fluid-particle direct simulations. Each particle is treated individually and the Navier-Stokes equations are solved for the moving fluid by Fluent code which is based on the Finite Volume Method. The contact-handling algorithm, which is implemented in a research C ++, is based on the projection of the velocity field of the rigid particles over the velocity field of the fluid flow. The method consists of imposing a constraint on the velocity field of the particles, as a guarantee that at each time step the calculated particle velocity field belongs to an eligible velocity field of the fluid. In this case study, an Uzawa algorithm has been applied |
URI/URL: | http://journal.multiphysics.org/index.php/IJM/article/view/15-3-311 DOI: https://doi.org/10.21152/1750-9548.15.3.311 http://dlibrary.univ-boumerdes.dz:8080/handle/123456789/7127 |
ISSN: | 17509548 |
Collection(s) : | Publications Internationales
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