On the computation of instabilities and symmetry-breaking in fluid mechanics

Dimitris Drikakis, Fernando Grinstein, David Youngs

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

A review on the implementation of modern computational fluid dynamics (CFD) methods for simulating low- and high-speed flows featuring turbulent mixing, instabilities and symmetry-breaking is presented. Results are reviewed for several complex flows including turbulent mixing associated with Richtmyer–Meshkov and Rayleigh–Taylor instabilities, incompressible flows in suddenly expanded geometries, shock-induced instabilities, free-shear instabilities and complex vortex dynamics. Many of the results presented in this review have been obtained by large eddy simulation (LES), monotone integrated LES (MILES) in particular. The computational challenges associated with complex flow physics and nonlinear behaviour of the numerics are discussed.
Original languageEnglish
Pages (from-to)609-641
Number of pages33
JournalProgress in Aerospace Sciences
Volume41
Issue number8
DOIs
Publication statusPublished - 30 Nov 2005

Keywords

  • fluid mechanics
  • instabilities
  • computational fluid dynamics
  • turbulent mixing

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