Computation of turbulent supersonic flows around pointed bodies having crossflow separation

A recently reported thin-layer parabolized Navier-Stokes method has been used to compute turbulent supersonic flows around pointed bodies at large incidence. These flow fields are complex and contain extensive regions of crossflow separation. Extensive investigations were carried out to assess the effects of grid resolution in the viscous region and inviscid region of the leeward side vortices, and the effects of the algebraic eddy-viscosity turbulence model. Comparisons between computed and experimentally measured flow fields of several pointed bodies show significant improvement in the computed flow fields obtained using a properly modified turbulence model in the crossflow separation region and adequate spatial grid resolution. The effect of adding the circumferential and cross viscous terms was found to be insignificant for the present cases.