Abstract
Navier Stokes calculations were performed using an unfactored implicit scheme in time, with a centered approximation for the spatial discretization on unstructured P1 triangular finite elements. A localised artificial viscosity term is introduced within the detached shock supersonic region, this combined with adaptivity by local mesh refinement here, reduces the spurius oscillations and overshoots, which are classical for centered approximations, without perturbing the subsonic layers. A standard TVD term is added in the shock region for the high Reynolds number test case 6.1.2.
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© 1991 Springer-Verlag Berlin Heidelberg
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Leyland, P. (1991). 2D Hypersonic Viscous Flow Past a Double Ellipse Geometry. In: Désidéri, JA., Glowinski, R., Périaux, J. (eds) Hypersonic Flows for Reentry Problems. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-76527-8_38
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DOI: https://doi.org/10.1007/978-3-642-76527-8_38
Publisher Name: Springer, Berlin, Heidelberg
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