Research Article

Fitness Estimation Based Particle Swarm Optimization Algorithm for Layout Design of Truss Structures

Table 4

Loading condition acting on the spatial 25-bar truss.

CaseNode (kips) (kips) (kips)

111.0−10.0−10.0
20.0−10.0−10.0
30.5 0.0 0.0
60.6 0.0 0.0