A kinetic scheme for pressurized flows in non uniform pipes - Archive ouverte HAL
Article Dans Une Revue Monografias de la Real Academia de Ciencias de Zaragoza Année : 2009

A kinetic scheme for pressurized flows in non uniform pipes

Christian Bourdarias
Stéphane Gerbi

Résumé

The aim of this paper is to present a kinetic numerical scheme for the computations of transient pressurised flows in closed water pipes with variable sections. Firstly, we detail the derivation of the mathematical model in curvilinear coordinates under some hypothesis and we performe a formal asymptotic analysis. Then the obtained system is written as a conservative hyperbolic partial differential system of equations, and we recall how to obtain the corresponding kinetic formulation based on an upwinding of the source term due to the ``pseudo topography'' performed in a close manner described by Perthame and al.
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Dates et versions

hal-00343021 , version 1 (28-11-2008)
hal-00343021 , version 2 (01-12-2008)

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Citer

Christian Bourdarias, Mehmet Ersoy, Stéphane Gerbi. A kinetic scheme for pressurized flows in non uniform pipes. Monografias de la Real Academia de Ciencias de Zaragoza, 2009, 31, pp.1-20. ⟨hal-00343021v2⟩
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