Several variations of the numerical methods are tested, namely the Roe upwind scheme with and without limiters, the JST scheme, and both the Green-Gauss and weighted least-squares approaches for computing flow variable gradients. In the figures, the abbreviations represent the following: Roe = Roe uwpind scheme with 2nd-order MUSCL reconstruction, JST = Jameson-Schmidt-Turkel centered scheme, GG = Green-Gauss gradient method, LIM = Venkatakrishnan-Wang limiter, WLS = Weighted Least-Squares gradient method.
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