Computation of inviscid supersonic flows around cylinders and spheres with the V-SGS stabilization and YZβ shock-capturing

Franco Rispoli, Rafael Saavedra, Filippo Menichini, Tayfun E. Tezduyar

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

The YZβ shock-capturing technique was introduced originally for use in combination with the streamline-upwind/Petrov-Galerkin (SUPG) formulation of compressible flows in conservation variables. It is a simple residual-based shock-capturing technique. Later it was also combined with the variable subgrid scale (V-SGS) formulation of compressible flows in conservation variables and tested on standard 2D test problems. The V-SGS method is based on an approximation of the class of SGS models derived from the Hughes variational multiscale method. In this paper, we carry out numerical experiments with inviscid supersonic flows around cylinders and spheres to evaluate the performance of the YZβ shock-capturing combined with the V-SGS method. The cylinder computations are carried out at Mach numbers 3 and 8, and the sphere computations are carried out at Mach number 3. The results compare well to those obtained with the YZβ shockcapturing combined with the SUPG formulation, which were shown earlier to compare very favorably to those obtained with the well established OVERFLOW code.

Original languageEnglish
Pages (from-to)1-6
Number of pages6
JournalJournal of Applied Mechanics, Transactions ASME
Volume76
Issue number2
DOIs
Publication statusPublished - 2009
Externally publishedYes

Fingerprint

supersonic flow
Supersonic flow
Compressible flow
Mach number
Conservation
Stabilization
stabilization
shock
compressible flow
formulations
conservation
Experiments
approximation

Keywords

  • Cylinders and spheres
  • Supersonic flows
  • SUPG formulation
  • Variable subgrid scale formulation
  • YZβ shock-capturing

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Computation of inviscid supersonic flows around cylinders and spheres with the V-SGS stabilization and YZβ shock-capturing. / Rispoli, Franco; Saavedra, Rafael; Menichini, Filippo; Tezduyar, Tayfun E.

In: Journal of Applied Mechanics, Transactions ASME, Vol. 76, No. 2, 2009, p. 1-6.

Research output: Contribution to journalArticle

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