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Author(s)
     Ugo Piomelli, Carlo Scalo
Title
     Large-eddy simulations of relaminarization due to freestream acceleration
Publication Name
     Seventh IUTAM Symposium on Laminar-Turbulent Transition
Publication Type
     Journal
Publisher
     Springer-Verlag
Place
      Heidelberg
Editor(s)
     
Number
     
School
     
Volume
     
Chapter
     
Pages
     
Other Publication Information
     
Publication Year
     2009
Abstract
     The reversion of a turbulent flow to a laminar or quasi-laminar state may take different paths, depending on the cause of the relaminarization; modelling these flows is quite difficult. Large-eddy simulations (LES) may be quite effective as the large, momentum carrying eddies are accurately resolved; the unresolved, subgrid-scale (SGS) stresses, however, may still play an important role. We report here the results of a study of the SGS stresses in a boundary layer subjected to freestream acceleration. The \textit{a priori} test results are accompanied by actual LES, which highlight the effect of grid resolution and modelling errors on the dynamics of the relaminarization.
Keywords
     
Website
     http://
Paper Status
     Accepted
DOI / Publication ID
     



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