Table 6.

FEA results for the variation of θ_max at the critical wind speed of 23 m/s.

FEA no.	θmax (deg)	Max FI	FI increment (%)	Fth (kN)	δh (m)	k(kN/m)	k drop (%)
1	0	1.021		3.036	10.046	0.302
2	3	1.029	0.76	3.033	10.101	0.300	0.66
3	6	1.052	2.21	3.021	10.262	0.294	1.94
4	9	1.091	3.60	3.002	10.526	0.285	3.12
5	15	1.219	10.53	2.941	11.333	0.260	9.01
6	21	1.416	13.90	2.844	12.450	0.228	11.98
7	27	1.646	13.96	2.689	13.687	0.196	13.98
8	33	1.931	14.76	2.518	15.109	0.167	15.20
9	39	2.268	14.87	2.374	16.689	0.142	14.64
10	45	2.718	16.54	2.145	17.531	0.122	13.96
11	51	3.406	20.20	1.954	18.137	0.108	11.97