Abstract
A simulation strategy combining an octree-AMR and an HRL turbulence model with overset grids is investigated in FLUSEPA™, the Finite-Volume solver developed by ArianeGroup. The turbulence model used is a \(k- \varepsilon \) with a Delayed Detached Eddy Simulation [14] treatment for the destruction term of k. First, we study the influence of the refinement criteria on the pressure fluctuations in the recirculation area of a cylindrical backward facing step. Using an initially coarse grid, we compare the results with those from a fixed fine grid calculation. Then, the methodology is applied to the numerical simulation of the buffeting of an Ariane 5 model.
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Notes
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Adaptive Mesh Refinement.
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Registered trademark in France with number 134009261.
- 3.
Hybrid RANS/LES.
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Limare, A., Borouchaki, H., Brenner, P. (2020). Adaptive Mesh Refinement with an Automatic Hybrid RANS/LES Strategy and Overset Grids. In: Hoarau, Y., Peng, SH., Schwamborn, D., Revell, A., Mockett, C. (eds) Progress in Hybrid RANS-LES Modelling . Notes on Numerical Fluid Mechanics and Multidisciplinary Design, vol 143. Springer, Cham. https://doi.org/10.1007/978-3-030-27607-2_12
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