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

Table 2

Accuracy for the problem with discontinuous coefficient.

	Cells	288	1152	4608	18432	73728
1.0
		—	1.81	1.86	2.14	2.03
		—	2.07	1.54	2.03	0.99
		23	24	26	26	26
		—	1.94	1.91	1.98	1.98
	—	2.07	1.54	2.03	0.99
	23	24	23	23	23