Conceptual Comparison of Population Based Metaheuristics for Engineering Problems

Table 1

Values of parameters involved in the formulation of the welded beam problem [1].

Constant item	Description	Values
	The welded material	0.10471 ($/in3)
	The bar stock	0.04811 ($/in3)
	Shear stress of the welded material	13600 (psi)
	Normal stress of the bar material	30000 (psi)
	Bar end deflection	0.25 (inch)
	Young’s modulus of bar stock	30 × 10^6 (psi)
	Shear modulus of bar stock	12 × 10^6 (psi)
	Loading condition	6000 (lb)
	Beam’s projection length	14 (inch)