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Three-dimensional boundary conditions for numerical simulations of reactive compressible flows with complex thermochemistry

par Coussement, Axel ;Gicquel, Olivier ;Caudal, Jean;Fiorina, Benoît;Degrez, Gérard
Référence Journal of computational physics, 231, 17, page (5571–5611)
Publication Publié, 2012-07-01

Article révisé par les pairs

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Résumé :

The Navier-Stokes Charateristic Boundary Conditions (NSCBC) is a very efficient numerical strategy to treat boundary conditions in fully compressible solvers. The present work is an extension the 3D-NSCBC method proposed by Yoo et al. and Lodato et al. in order to account for multi-component reactive flows with detailed chemistry and complex transport. A new approach is proposed for the outflow boundary conditions which enables clean exit of non-normal flows, and the specific treatment of all kinds of edges and corners is carefully addressed. The proposed methodology is successfully validated on various challenging multi-component reactive flow configurations.