Optimal Prestress Investigation on Tensegrity Structures Using Artificial Fish Swarm Algorithm

Table 1

Optimal prestresses of the planar tensegrity gird.

Member group	Feng [42] (GDA)		Present (AFSA)
	Force density		Force density
(1)	1.0000	0.3625	1.0000	0.3162
(2)	1.3997		0.8893
(3)	1.0000		1.0000
(4)	2.3997		1.8893
(5)	−1.0000		−1.0000
(6)	−1.3997		−0.8893