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Modelization of the Low-Mach Navier Stokes equations in unstructured meshes

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hdl:2117/15558

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Chiva Segura, JorgeMés informacióMés informació
Ventosa, Jordi
Lehmkuhl Barba, OriolMés informació
Pérez Segarra, Carlos DavidMés informacióMés informacióMés informació
Document typeConference lecture
Defense date2011
Rights accessRestricted access - publisher's policy
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
In this paper a Low-Mach number approximation of the Navier Stokes Equations in unstructured meshes is presented. Both staggered and collocated formulations for unstructured grids will be used.The aim is to develop a numerical algorithm suitable for describing flows which present large variations of the density field, but that the speed of the flow is low, so that the Mach number is small and if a compressible formulation was to be used would cause strong limitations to the time step. The test case for verification will be a differentially heated cavity with a large temperature gradient. The results will be compared against benchmark data.
CitationChiva, J. [et al.]. Modelization of the Low-Mach Navier Stokes equations in unstructured meshes. A: International Conference on Computational Heat and Mass Transfer. "ICCHMT 2011. 7th International Conference on Computational Heat and Mass Transfer 7th International Conference on Computational Heat and Mass Transfer". Istanbul: 2011, p. 1-8. 
URIhttp://hdl.handle.net/2117/15558
Publisher versionhttps://www.cttc.upc.edu/tmp/showuplqgFCxS.pdf
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