Improvement of Grid Independence Test for Computational Fluid Dynamics Model of Building Based on Grid Resolution

Table 3

Results of CV(RMSE) in each case.

Grid resolution	A type	B type	C type	D type	E type
32	—	—	—	—	—
28	3.78	3.15	7.79	8.08	8.40
24	4.25	11.22	7.17	9.15	9.23
20	2.47	12.74	15.16	22.27	10.02
16	9.35	9.97	19.85	22.13	10.24
12	9.36	12.18	22.45	25.58	12.70
8	7.59	13.25	20.19	29.12	15.09
4	12.75	13.59	23.85	25.90	38.65