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Journal Articles Applied Mathematical Modelling Year : 2012

Comparison of computations of asymptotic flow models in a constricted channel

Abstract

We aim at comparing computations with asymptotic models issued from incom- pressible Navier-Stokes at high Reynolds number: the Reduced Navier-Stokes/Prandtl (RNS/P) equations and the Double Deck (DD) equations. We treat the case of the steady two dimensional flow in a constricted pipe. In particular, finite differences and finite element solvers are compared for the RNS/P equations. It results from this study that the two codes compare well. Numerical examples also illustrate the interest of these asymptotic models as well as the flexibility of the finite element solver.
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Dates and versions

hal-00714429 , version 1 (04-07-2012)

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Franz Chouly, Pierre-Yves Lagrée. Comparison of computations of asymptotic flow models in a constricted channel. Applied Mathematical Modelling, 2012, pp.In Press. ⟨10.1016/j.apm.2012.01.035⟩. ⟨hal-00714429⟩
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