Fig. 4From: An improved third-order HWCNS for compressible flow simulation on curvilinear gridsNumerical solutions with grid points 400×400 for the 2D Riemann Problem at t=0.8, 30 density contour lines ranging from 0.1 to 1.8. Left: the original HWCNS3; Right: the improved HWCNS3Back to article page