Numerical prediction of wall-bounded flows with low-Reynolds k − ε turbulence models
by Y. Bentaleb, E. Schall, T. Kousksou
Progress in Computational Fluid Dynamics, An International Journal (PCFD), Vol. 9, No. 2, 2009

Abstract: In this paper, we present a numerical model for the simulation of turbulent flows. The numerics rely on a three-dimensional upwind compressible solver which applies to tetrahedrisations. The accuracy in boundary layers is increased by a new type of tetrahedrisation. The Reynolds-Averaged Navier-Stokes (RANS) equations are solved by using a mixed finite element-volume method for spatial discretisation. The linear low-Reynolds turbulence models of Goldberg et al., and a nonlinear extension, are implemented with this numerical technique. The computational results of both turbulent channel flow and a backward-facing step flow are compared to experimental data.

Online publication date: Thu, 19-Feb-2009

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