CFD Analysis of Urban Canopy Flows Employing the V2F Model: Impact of Different Aspect Ratios and Relative Heights

Table 1

Characteristics of the four meshes used for the grid independence test and corresponding percentage differences Δ.

	Mesh A	Mesh B	Mesh C	Mesh D
Number of cells	104896	32350	14275	394576
Mesh interval size within the canyon (m)	0.001	0.002	0.004	0.0005
Velocity magnitude (ms^−1)	0.225996	0.225531	0.225273	0.225800
Δ (%)	0.08	0.20	0.32	—