Nonlinear Finite Volume Scheme Preserving Positivity for 2D Convection-Diffusion Equations on Polygonal Meshes

Table 1

Accuracy for the problem with anisotropic coefficient.

	Cells	144	576	2304	9216	36864
	—	2.05	1.84	1.94	1.94
	—	2.07	1.54	2.03	0.99
	55	85	116	126	153
	—	2.09	1.96	1.98	1.92
	—	2.07	1.54	2.03	0.99
	36	40	36	33	39