Chaotic Wind-Driven Optimization with Hyperbolic Tangent Model and T-Distributed Mutation Strategy

Table 16

The value of the variables when each algorithm obtains the optimal value in the spring design problem.

	Optimal values for variables			Optimum cost
	d	D	N
CHTWMO	0.0543	0.4316	7.9901	0.0127
WMO	0.0740	0.8482	4.8851	0.0130
GWO	0.0533	0.3960	9.5781	0.0130
WOA	0.0525	0.3775	10.168	0.0127
BA	0.0539	0.4025	9.4517	0.0134
DA	0.0623	0.6408	0.6408	0.6408
PSO	0.0598	0.0598	0.0598	0.0598
IA	0.0610	0.0610	0.0610	0.0610

The significance of bold values represent the optimal values of each test function.