A coupling between a general multiphase flows model and a two-phase dilute flow model is presented. Both models are based on Eulerian approach (two fluids models) and compressible flows are considered. This coupling permits to solve problems in which a multiphase description (involving N phases) is necessary to obtain a good physical behavior of the flow on short times: it corresponds to a given location on the computational domain. Then the flow is developing and far from the location of the initial establishment of the flow, a simpler model can be used, for example a dilute two-phase model one. A methodology for coupling both models is necessary in order to get efficient calculations and a physical consistency. This coupling is not only a challenge regarding the computing resources or the programming. We also require that the wave patterns are correctly transmitted through the coupling interface. We then developed specific Riemann solvers that allow the transmission of acoustic or material waves. We also require the preservation of the conservative quantities such as mass, momentum and energy. The method is checked on ID case: propagation of uniform flows, shock tubes. Multidimensional problem are also presented, showing the efficiency of the coupling methodology regarding CPU time.
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ASME 2009 Fluids Engineering Division Summer Meeting
August 2–6, 2009
Vail, Colorado, USA
Conference Sponsors:
- Fluids Engineering Division
ISBN:
978-0-7918-4372-7
PROCEEDINGS PAPER
Multi-Model Formulation for Compressible Multiphysics and Multiphase Flows: An Efficient Coupling Algorithm Available to Purchase
Julien Verhaegen,
Julien Verhaegen
Polytech’Marseille, Aix-Marseille University and INRIA, Marseille, France
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Jacques Massoni,
Jacques Massoni
Polytech’Marseille, Aix-Marseille University and INRIA, Marseille, France
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Eric Daniel
Eric Daniel
Polytech’Marseille, Aix-Marseille University and INRIA, Marseille, France
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Julien Verhaegen
Polytech’Marseille, Aix-Marseille University and INRIA, Marseille, France
Jacques Massoni
Polytech’Marseille, Aix-Marseille University and INRIA, Marseille, France
Eric Daniel
Polytech’Marseille, Aix-Marseille University and INRIA, Marseille, France
Paper No:
FEDSM2009-78034, pp. 1051-1060; 10 pages
Published Online:
July 26, 2010
Citation
Verhaegen, J, Massoni, J, & Daniel, E. "Multi-Model Formulation for Compressible Multiphysics and Multiphase Flows: An Efficient Coupling Algorithm." Proceedings of the ASME 2009 Fluids Engineering Division Summer Meeting. Volume 1: Symposia, Parts A, B and C. Vail, Colorado, USA. August 2–6, 2009. pp. 1051-1060. ASME. https://doi.org/10.1115/FEDSM2009-78034
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