sharply curved channel			
Mesh number	2D	SBVC2	SBVC3	GBVC3	NaysCUBE
17	0.0088	0.0050	0.0036	0.0036	0.0031
8	0.0094	0.0061	0.0040	0.0040	0.0036
4	0.0098	0.0068	0.0050	0.0050	0.0040
1	0.0111	0.0111	0.0111	0.0111	0.0096
					
					
mildly curved channel					
Mesh number	2D	SBVC2	SBVC3	GBVC3	NaysCUBE
17	0.0248	0.0060	0.0033	0.0033	0.0030
8	0.0259	0.0129	0.0060	0.0060	0.0039
4	0.0270	0.0176	0.0099	0.0099	0.0063
1	0.0297	0.0297	0.0297	0.0297	0.0255