Modification of ninth-order weighted essentially nonoscillatory scheme for mixed subsonic/supersonic flow

A. Gross, Hermann F Fasel

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

A study was conducted to demonstrate a modification to the high-order-accurate weighted essentially nonoscillatory (WENO) scheme implementation. The motivation behind this effort was to have a high-order-accurate discretization for the convective fluxes that worked well for subsonic and supersonic flows. A procedure was discussed for constructing high-order-accurate upwind schemes. The researchers suggested reconstructing the flow variables at the left (L) and right side (R) of the i +1/2 interface using high-order-accurate WENO approximations and to employ the Roe scheme. The viscous fluxes were computed using a shifted control volume approach with fourth-order accuracy, and the solution was integrated in time with a second-order-accurate implicit Adams-Moulton scheme. The ghost cell approach was applied at all boundaries to solve the problem in place of one-sided difference stencils and truncated WENO schemes.

Original languageEnglish (US)
Pages (from-to)2698-2701
Number of pages4
JournalAIAA Journal
Volume48
Issue number11
DOIs
StatePublished - Nov 2010

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Supersonic flow
Fluxes
Subsonic flow

ASJC Scopus subject areas

  • Aerospace Engineering

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Modification of ninth-order weighted essentially nonoscillatory scheme for mixed subsonic/supersonic flow. / Gross, A.; Fasel, Hermann F.

In: AIAA Journal, Vol. 48, No. 11, 11.2010, p. 2698-2701.

Research output: Contribution to journalArticle

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