Optimization of Support Structures for Offshore Wind Turbines Using Genetic Algorithm with Domain-Trimming

Table 1

Optimization results for the 10-bar planar truss.

	Optimal cross-sectional areas
Variable (in^2) (cm^2)	This work	Kaveh and Talatahari [38]	Lee and Geem [39]	Schmit and Farshi [40]	Schmit and Miura [41]	Venkayya [42]	Dobbs and Nelson [43]
	23.764	23.052	23.25	24.29	23.55	25.19	25.81
	153.3	148.72	150.0	156.7	151.9	162.5	166.5
	0.101	0.1	0.102	0.1	0.1	0.363	0.1
	0.652	0.645	0.658	0.645	0.645	2.342	0.645
	25.033	25.601	25.73	23.35	25.29	25.42	27.23
	161.5	165.17	166.0	150.6	163.2	164.0	175.7
	14.113	15.139	14.51	13.66	14.36	14.33	16.65
	91.1	97.671	93.6	88.1	92.6	92.5	107.4
	0.106	0.1	0.1	0.1	0.1	0.417	0.1
	0.684	0.645	0.645	0.645	0.645	2.690	0.645
	1.987	1.969	1.977	1.969	1.97	3.144	2.024
	12.8	12.703	12.8	12.7	12.7	20.3	13.1
	12.888	12.206	12.61	12.54	12.81	14.61	14.22
	83.1	78.748	81.4	80.9	82.6	94.3	91.7
	12.427	12.568	12.21	12.67	12.39	12.08	12.78
	80.2	81.084	78.8	81.7	79.9	77.9	82.5
	0.1	0.1	0.1	0.1	0.1	0.513	0.1
	0.645	0.645	0.645	0.645	0.645	3.310	0.645
	20.253	20.33	20.36	21.97	20.34	20.26	22.14
	130.7	131.16	131.4	141.7	131.2	130.7	142.8
Weight (Ib) (N)	4668.78	4676.05	4668.81	4691.84	4676.96	4895.6	5059.7
	20775.6	20808.0	20775.8	20878.3	20812.0	21785.0	22515.2
Max deflection	2.00	2.00	2.00	2.00	2.00	2.00	1.82
Max stress	25.0	25.0	25.0	25.0	25.0	23.3	25.0