Stabilization parameters and smagorinsky turbulence model

J. E. Akin, T. Tezduyar, M. Ungor, S. Mittal

Research output: Contribution to journalArticlepeer-review

44 Citations (Scopus)

Abstract

For the streamline-upwind/Petrov-Galerkin and pressure-stabilizing/Petrov-Galerkin formulations for flow problems, we present in this paper a comparative study of the stabilization parameters defined in different ways. The stabilization parameters are closely related to the local length scales ("element length"), and our comparisons include parameters defined based on the element-level matrices and vectors, some earlier definitions of element lengths, and extensions of these to higher-order elements. We also compare the numerical viscosities generated by these stabilized formulations with the eddy viscosity associated with a Smagorinsky turbulence model that is based on element length scales.

Original languageEnglish
Pages (from-to)2-9
Number of pages8
JournalJournal of Applied Mechanics, Transactions ASME
Volume70
Issue number1
DOIs
Publication statusPublished - 2003 Jan

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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