In this paper, a first order upwind scheme for hypersonic flow is proposed. This scheme is based on Steger and Warming's flux-vector splitting (FVS). However, the scheme proposed here would be classified as a variation of advection upstream splitting method (AUSM). The present scheme has many good characteristics: monotonicity for shock wave, robustness for expansion wave, and high resolution for contact discontinuity. Furthermore, the carbuncle phenomenon does not appear with this scheme.
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