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On the use of the method of manufactured solutions for the verification of CFD codes for the volume-averaged Navier–Stokes equations

Bruno Blais and François Bertrand

Article (2015)

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The volume-averaged Navier–Stokes (VANS) equations are a key constituent of numerous models used to study complex problems such as flows in porous medias or containing multiple phases (e.g. solid–liquid flows). These equations solve the mesoscopic scale of the flow without taking into account explicitly each individual solid particles, therefore greatly reducing computational cost. However, due to a lack of analytical solutions, the models using the VANS equations are generally validated directly against experimental data or empirical correlations. In this work, a framework to design analytical solutions and verify codes that solve the VANS equations via the method of manufactured solutions is presented for the first time. Three test cases of increasing complexity are designed with this method and used to assess the second-order convergence of a finite volume solver developed in OpenFOAM. The proposed approach is suitable for the verification of any code that solves the VANS equations with any CFD technique such as the finite element method or the lattice Boltzmann method.

Uncontrolled Keywords

Computational fluid dynamics; Multiphase flows; Code verification; Method of manufactured solutions; Volume-averaged Navier–Stokes; CFD–DEM

Subjects: 1800 Chemical engineering > 1800 Chemical engineering
Department: Department of Chemical Engineering
Research Center: URPEI - Research Center in Industrial Flow Processes
Funders: CRSNG/NSERC, CRSNG/NSERC - Vanier Scholarship
PolyPublie URL: https://publications.polymtl.ca/9062/
Journal Title: Computer & Fluids (vol. 114)
Publisher: Elsevier
DOI: 10.1016/j.compfluid.2015.03.002
Official URL: https://doi.org/10.1016/j.compfluid.2015.03.002
Date Deposited: 11 Aug 2021 17:32
Last Modified: 08 Nov 2023 13:19
Cite in APA 7: Blais, B., & Bertrand, F. (2015). On the use of the method of manufactured solutions for the verification of CFD codes for the volume-averaged Navier–Stokes equations. Computer & Fluids, 114, 121-129. https://doi.org/10.1016/j.compfluid.2015.03.002


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