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Multi-objective Optimization of Double-layer Spherical Shells Based on Quick Group Search Algorithm(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2014年04期
Page:
97-102
Research Field:
Publishing date:

Info

Title:
Multi-objective Optimization of Double-layer Spherical Shells Based on Quick Group Search Algorithm
Author(s):
JIN Jing LI Li-juan LIU Feng HE Jia-nian
School of Civil and Transportation Engineering, Guangdong University of Technology
Keywords:
double-layer spherical shell multi-objective optimization quick group search algorithm time history analysis Pareto frontier
PACS:
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DOI:
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Abstract:
The multi-objective quick group search optimization (MQGSO) algorithm was applied to the optimal design of doublelayer spherical shells. The optimization objectives were the minimum value of the maximum displacement and the weight of the structure. Taking the doublelayer spherical shells as an object, the Pareto frontier of the optimization example structure had the full and broader distribution. Corresponding to the multi-objective optimization results and the singleobjective optimization results, the time history response analysis of optimized structure under multi-dimensional earthquake action was carried out. The results show that the multi-objective optimization results are better than those of the singleobjective one. The dynamic characteristics of the doublelayer shell example prove that the MQGSO algorithm can effectively deal with the multi-objective optimal design of complex spacial structures.

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Last Update: 2014-12-18