Abstract
We perform Large-eddy simulations (LES) of the turbulent flow in a channel with isothermal heated walls with the temperature ratio equal to 2. The variable properties of the fluid are accounted for ...
Highlights
The accuracy of numerical simulations hardly relies on the chosen discretization method
The Navier–Stokes equations are cast in a weak form and discretized in space by means of Galerkin approximation using Nth-order Lagrange polynomial interpolants on the GaussLobatto-Legendre points for the velocity field and pressure (PN - PN formulation)
We study a turbulent flow between two infinite parallel isothermal heated walls at a Reynolds number of
Summary
The accuracy of numerical simulations hardly relies on the chosen discretization method. We further assess the performance of the nek5000 code in the low Mach approximation targeting the turbulent channel flow [2, 3]
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