A Hybrid WENO Scheme for Simulation of Shock Wave-Boundary Layer Interaction

The ultimate goal of this study is to develop a robust and accurate numerical method for simulation of hypersonic turbulent boundary layers. A hybrid numerical method, coupling a fifth-order weighted essentially non-oscillatory (WENO) scheme for shock capturing and a centered fourth-order finite difference scheme for computing turbulence away from the shock, is considered. It is applied, in this paper, to a benchmark problem in which shockshock and shock-vortex interactions are present. It is shown that this method captures the shocks robustly and computes the flow away from the shocks accurately. Then, a spatially evolving turbulent boundary layer at Mach number 2.5 is considered. The issue of turbulent inflow generation, using rescaling/recycling method, is addressed.

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