Separating Flow Behind a Back-Step. Part I. Quasi-Hydrodynamic Equations and Computation of a Laminar Flow

Details Separating Flow Behind a Back-Step. Part I. Quasi-Hydrodynamic Equations and Computation of a Laminar Flow Separating Flow Behind a Back-Step. Part I. Quasi-Hydrodynamic Equations and Computation of a Laminar Flow

2004-07-22

arxiv.org/abs/math-ph/0407053v1

Physics

Mathematical Physics

12 pages, 3 figures

Scientific paper

We demonstrate the results of the numerical modelling of a plane two-dimensional viscous incompressible flow in a channel with a back-step. As a mathematical model we take equations for a incompressible flow based on the quasi-hydrodynamic (QHD) equations. We present a phenomenological derivation of the QHD equations and show a relation of these equations to the Navier-Stokes system. We test the proposed numerical algorithm by computing of certain laminar flows

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