Abstract

This chapter introduces the application of an improved particle swarm algorithm to optimal structure design. The algorithm is named heuristic particle swarm optimization (HPSO). It is based on heuristic search schemes and the standard particle swarm algorithm. The efficiency of HPSO for pin connected structures with continuous variables and for pin connected structures and plates with discrete variables is compared with that of other intelligent algorithms, and the implementation of HPSO is presented in detail. An optimal result of a complex practical double-layer grid shell structure is presented to value the effectiveness of the HPSO.

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