Schrooyen P., Toulorge T., Coulaud O., Pinna F., Turchi A., Magin T.

DOI Number XXX-YYY-ZZZ

Conference Number HiSST-2022-184

Classical methods to simulate hypersonic flows rely on finite volume approaches which are highly sensitive to the computational mesh and the Riemann solver chosen. This paper studies the methods to
mitigate these sensibilities using high-order discontinuous Galerkin scheme. In particular, artificial viscosity and limiting methods are reviewed and compared on several test cases. Despite the loss of
accuracy of limiting methods, they have been proved to be more robust to capture strong shock if combined with mesh adaptation. Artificial viscosity method relax the constraints on the mesh but numerical
experiments have shown that they are less robust to capture strong shock and might require fine tuning
of user defined parameters.

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In Categories: 1.Events, HiSST 2022, Hypersonic Fundamentals and History
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