Certifiable computational fluid dynamics through mesh optimization

Par Conseil national de recherches du Canada

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DOI	Trouver le DOI : https://doi.org/10.2514/2.458
Auteur	Rechercher : Habashi, W. G.; Rechercher : Dompierre, J.; Rechercher : Bourgault, Y.; Rechercher : Fortin, M.; Rechercher : Vallet, M. -G.¹
Affiliation	Conseil national de recherches du Canada. Institut des matériaux industriels du CNRC
Format	Texte, Article
Résumé	The accuracy and reliability of computational fluid dynamics (CFD) are addressed by proposing a novel, efficient, and generic mesh optimization approach. By using an appropriate directional error estimator, coupled with an effective mesh adaptation technique that is tied closely to the solver, it can be demonstrated that, for each flow condition and geometry combination, a controllable error level and an optimal mesh can be obtained. It is further demonstrated that such an optimal mesh can be reached from almost any reasonable initial grid and, more astonishingly, that the order of accuracy of well-posed numerical algorithms has a considerably reduced impact on solution accuracy if the mesh is well adapted. Thus, the proposed approach can be considered a first step toward user-, mesh-, and solver-independent, and thus certifiable, CFD.
Date de publication	1998-05
Maison d’édition	American Institute of Aeronautics and Astronautics
Dans	AIAA Journal 36, nº 5 : 703–711.
Langue	anglais
Publications évaluées par des pairs	Oui
Numéro du CNRC	NRCC 40575 NRC_IMI-96AP-50302-71085-G
Numéro NPARC	23003016
Exporter la notice	Exporter en format RIS
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Identificateur de l’enregistrement	34317dc7-683b-42d7-8057-6815d2f46796
Enregistrement créé	2018-04-12
Enregistrement modifié	2020-03-20

Date de modification :: 2024-10-06