Explicit algebraic Reynolds stress and non-linear eddy-viscosity models
2009 (English)In: International journal of computational fluid dynamics (Print), ISSN 1061-8562, Vol. 23, no 4, 349-361 p.Article in journal (Refereed) Published
This article reviews explicit algebraic Reynolds stress models and other non-linear eddy-viscosity turbulence models utilised in the context of Reynolds-Averaged Navier-Stokes simulations of turbulent flows. Since the 1990s, these modelling classes have become important intermediate classes between the linear eddy viscosity models and full Reynolds stress transport models. The derivation of explicit algebraic Reynolds stress models from the Reynolds stress transport models, and the required simplifications are discussed. The most important simplification is the weak-equilibrium assumption. Properties of the basic weak-equilibrium assumption and its extended form are discussed. Differences between explicit solutions based on complete tensor representation and those based on reduced representation as well as other non-linear eddy-viscosity models are pointed out. The scale-determining models are also discussed briefly.
Place, publisher, year, edition, pages
2009. Vol. 23, no 4, 349-361 p.
turbulence modelling, explicit algebraic Reynolds stress modelling, non-linear eddy-viscosity modelling, weak-equilibrium assumption, weak-equilibrium condition, complex turbulent flows, curved flows, prediction, equation, layers, edge
IdentifiersURN: urn:nbn:se:kth:diva-18429DOI: 10.1080/10618560902776828ISI: 000266084100007ScopusID: 2-s2.0-68949090040OAI: oai:DiVA.org:kth-18429DiVA: diva2:336476
QC 201005252010-08-052010-08-052010-12-23Bibliographically approved