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Comparing anisotropic adaptive strategies on the second AIAA sonic boom workshop geometry

Abstract : The recent release of the 2nd AIAA sonic boom geometry offers the opportunity to review the classical anisotropic adaptive strategies for complex geometries. The design of Mach-aligned tailored grids is also a great challenge to see how adaptivity can compete with user-defined tailored grids. Two classical adaptive strategies, multi-scale and goal-oriented, are compared with the results obtained on tailored grids. For the flow solver, we discuss several low-dissipation numerical schemes of order 4th and 6th with respect to regular 2nd order scheme both on inviscid and RANS flow models. We finally perform a non linear error analysis to assess the convergence of the sequence of adaptive meshes with respect to tailored grids. All results and discussions are based on the C25D baseline geometry provided for the 2nd AIAA Sonic Boom Prediction workshop.
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Contributor : Frédéric Alauzet Connect in order to contact the contributor
Submitted on : Monday, March 15, 2021 - 12:43:33 PM
Last modification on : Friday, February 4, 2022 - 3:22:59 AM
Long-term archiving on: : Wednesday, June 16, 2021 - 6:46:00 PM


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Adrien Loseille, Loïc Frazza, Frédéric Alauzet. Comparing anisotropic adaptive strategies on the second AIAA sonic boom workshop geometry. Journal of Aircraft, American Institute of Aeronautics and Astronautics, 2019, 56 (3), pp.938-952. ⟨10.2514/1.C034840⟩. ⟨hal-03162311⟩



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