Large-Eddy Simulation (LES) on the Square and Triangular Tall Buildings to Measure Drag Force

Table 3

Comparison of the aerodynamic modifications in relation to C_D.

Sharp				Rounded corner				Chamfered corner				Recessed
Square		Triangle		Square		Triangle		Square		Triangle		Square		Triangle
S1	0.21	T1	0.3	S2	0.25	T2	0.41	S3	0.25	T3	0.48	S4	0.29	T4	0.47
S5	0.14	T5	0.5	S6	0.16	T6	0.53	S7	0.17	T7	0.45	S8	0.17	T8	0.4
S9	0.15	T9	0.38	S10	0.17	T10	0.58	S1	0.14	T11	0.57	S1	0.168	T12	0.5
Average CD
0.17		0.39		0.19		0.50		0.19		0.50		0.21		0.50