This work involved the derivation, development and implementation of a three equation turbulence model using Code_Saturne. This was complete by Alistair Revell during his PhD degree, which was completed in 2006. The thesis is available here.

In highly non-equilibrium flows the mean strain and turbulent stresses can be significantly misaligned. Simple eddy viscosity models cannot capture this, but more expensive stress transport models can. The Cas model approximates effects of this misalignment in a computationally cheap manner, retaining some of the accuracy of more expensive schemes. The highly unsteady flow behind an aerofoil at 20 degrees incidence shows promising results.

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Implementation in the 1.4

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Topic revision: r2 - 2010-04-01 - 09:03:21 - FlavienBillard
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23 Aug 2019


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Computational Fluid Dynamics and Turbulence Mechanics
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