Performance comparison of flux schemes for numerical simulation of high-speed inviscid flows
type: Item
instance of: scholarly article
title: Performance comparison of flux schemes for numerical simulation of high-speed inviscid flows
zbMATH Open document ID: 1400.76047
DOI: 10.1504/PCFD.2014.060142
author: Bibin John
author: G. Sarath
author: Vinayak Kulkarni
author: Ganesh Natarajan
published in: Progress in Computational Fluid Dynamics
publication date: 2018-11-12T00:00:00Z
review text: Summary: Numerical investigations to assess the performance of different flux schemes for the spatial discretisation of the Euler equations are performed. The schemes employed in the study include flux vector and flux difference splitting schemes as well as hybrid schemes. The schemes are cast in an unstructured high-order finite volume framework and are studied on typical engineering problems in the supersonic and hypersonic regimes. While all the flux schemes perform well in the supersonic and low hypersonic range, their performance show a marked change in the high Mach number regimes. Numerical experiments suggest that the AUSM family of schemes is the most accurate while the Rusanov scheme is the most robust for the range of Mach numbers considered in the study. These studies indicate that a robust and accurate numerical solver for high-speed compressible flows necessitate the use of blended schemes that provide a right balance between accuracy and numerical dissipation.
Mathematics Subject Classification ID: 76M12
Mathematics Subject Classification ID: 76F20
Mathematics Subject Classification ID: 76K05
zbMATH DE Number: 6976524
zbMATH Keywords: convective flux
zbMATH Keywords: inviscid flows
zbMATH Keywords: unstructured meshes
zbMATH Keywords: hypersonic flows
describes a project that uses: AUSM
describes a project that uses: AUSMPW+
MaRDI profile type: Publication
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description: scientific article; zbMATH DE number 6976524