Summary
The AUSM+ (Advection Upstream Splitting Method) scheme which was developed on a structured grid has been extended to be used on an unstructured grid. The monotone linear reconstruction procedure using Green-Gauss theory is utilized to obtain second-order spatial accuracy. Barth's limiter is employed to prevent the solution from spurious oscillations. An adaptive multigrid strategy is used to accelerate the convergence. Numerical results for several test cases are presented.
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Zhu, Z.Q., Wang, P. & Lu, X.B. Adaptive multigrid solution of the 2D-Euler equations on an unstructured grid. Acta Mechanica 144, 43–56 (2000). https://doi.org/10.1007/BF01181827
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DOI: https://doi.org/10.1007/BF01181827