Accession Number : ADA116176

Title :   Mathematical and Numerical Analysis of a Turbulent Viscosity Model.

Descriptive Note : Technical summary rept.,


Personal Author(s) : Brauner,C M ; Laine,C

PDF Url : ADA116176

Report Date : Apr 1982

Pagination or Media Count : 26

Abstract : The turbulent viscosity assumption is the simplest turbulent closure of the Navier-Stokes equations. Of the possible models, some are of physical interest. In the case of the plane duct, a model based on the length scale, Uf, of the flow seems appropriate. Moreover, the introduction of such a model in the Navier-Stokes equations leads to a novel nonlinear parabolic equation, whose mathematical study is the subject of this paper. (Author)

Descriptors :   *Numerical analysis, *Viscosity, *Turbulent flow, *Models, Viscous flow, Navier Stokes equations, Mathematical analysis, Nonlinear systems, Parabolas, Closures, Scale, Length

Subject Categories : Numerical Mathematics
      Fluid Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE