Ensemble averaging in turbulence modelling

Miroslav Grmela, David Jou, Jose Casas-Vazquez, Mosto Bousmina, Georgy Lebon

Research output: Contribution to journalArticleResearchpeer-review

3 Citations (Scopus)


In this Letter we explore a new type of averaging in turbulence modelling, new types of characterization of the internal structure of turbulence (by two-point distribution function of fluid-particles), and consequences of the requirement that the Navier-Stokes equation and the governing equations of the models share a common structure of physical significance (Poisson structure). As a result we arrive at a turbulence model that includes the Reynolds-stress and LANS-α models, unifies them and extends them to models with an active advection. © 2004 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)54-64
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Publication statusPublished - 13 Sep 2004


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