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Computing reactive flows with a field Monte Carlo formulation and multi-scale methods

AutorHauke, G.; Valiño García, Luis
Fecha de publicación2004
CitaciónComputer Methods in Applied Mechanics and Engineering 193: 1455-1470 (2004)
ResumenTwo novel techniques are merged together to compute efficiently flows involving chemical reaction or combustion. In order to predict the evolution of the reacting flow, a probability density function approach is applied to the chemical species, which is described by a set of pure Eulerian transport equations with stochastic source terms. The proposed model, which has been extended in this case to a multi-scalar situation, has the advantage that the chemistry terms are closed, requiring no modeling. The formulation is solved by a stabilized finite element method based on the variational multi-scale theory, which enables an accurate and stable treatment of the difficult and stiff source terms employing iterative techniques. The combination of these ingredients results in a robust and accurate tool for the computation of reactive flows, as will be shown in the numerical examples. © 2004 Elsevier B.V. All rights reserved.
Identificadoresdoi: 10.1016/j.cma.2003.12.033
issn: 0045-7825
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