Validation and verification of Courant number insensitive CE/SE method for transient viscous flow simulations

Balaji Shankar Venkatachari, Gary C. Cheng, Bharat K. Soni and S.C. Chang

Mathematics and Computers in Simulation (MATCOM), 2008, vol. 78, issue 5, 653-670

Abstract: In this paper, we report an extension of the space–time conservation element–solution element (CE/SE) framework-based viscous flow solver. With the accuracy of solution obtained through the use of a CE/SE-based solver closely related to the CFL number disparity across the mesh, a new formulation to make the solution insensitive to CFL number disparity is herein presented. The capability of the developed solver is then validated through simulation of 2D problems such as driven cavity, external flow over a flat plate, laminar flow over a square cylinder, etc. Investigations are also conducted to verify the sensitivity of results to grid spacing and mesh structure.

Keywords: CE/SE; CFD; Unsteady flows (search for similar items in EconPapers)
Date: 2008
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:78:y:2008:i:5:p:653-670

DOI: 10.1016/j.matcom.2008.04.007

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