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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:SAN Bing-bing,SUN Xiao-ying,WuYu.Multi-objective optimization of membrane structures based on Pareto Genetic Algorithm[J].Journal of Harbin Institute Of Technology(New Series),2010,17(5):622-630.DOI:10.11916/j.issn.1005-9113.2010.05.005.
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Multi-objective optimization of membrane structures based on Pareto Genetic Algorithm
Author NameAffiliation
SAN Bing-bing School of Civil Engineering,Harbin Institute of Technology,Harbin 150090,China 
SUN Xiao-ying School of Civil Engineering,Harbin Institute of Technology,Harbin 150090,China 
WuYu School of Civil Engineering,Harbin Institute of Technology,Harbin 150090,China 
Abstract:
A multi-objective optimization method based on Pareto Genetic Algorithm is presented for shape design of membrane structures from a structural view point.Several non-dimensional variables are defined as optimization variables,which are decision factors of shapes of membrane structures.Three objectives are proposed including maximization of stiffness,maximum uniformity of stress and minimum reaction under external loads.Pareto Multi-objective Genetic Algorithm is introduced to solve the Pareto solutions.Consequently,the dependence of the optimality upon the optimization variables is derived to provide guidelines on how to determine design parameters.Moreover,several examples illustrate the proposed methods and applications.The study shows that the multi-objective optimization method in this paper is feasible and efficient for membrane structures;the research on Pareto solutions can provide explicit and useful guidelines for shape design of membrane structures.
Key words:  membrane structures  multi-objective optimization  Pareto solutions  multi-objective genetic algorithm
DOI：10.11916/j.issn.1005-9113.2010.05.005
Clc Number:TU383
Fund:

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