Fig. 9From: Accuracy analysis of gradient reconstruction on isotropic unstructured meshes and its effects on inviscid flow simulationConvergence of x-direction gradient of different grids and different reconstruction methods. a Regular quadrilateral grids. b Regular triangular grids. c skewed quadrilateral grids. d skewed regular triangular grids. e Perturbed quadrilateral grids. f Random triangular grids. g Regular double-split triangular gridsBack to article page