Design optimization of 3D steel structures:: Genetic algorithms vs. classical techniques

被引:54
|
作者
Prendes Gero, Maria Belen
Bello Garcia, Antonio
del Coz Diaz, Juan Jose
机构
[1] Univ Oviedo, Construct & Prod Engn Dept, Mieres 33600, Spain
[2] Univ Oviedo, Construct & Prod Engn Dept, Gijon 33204, Spain
关键词
design optimization; elitist genetic algorithm; three-dimensional steel structures; minimum weight; ultimate limit states;
D O I
10.1016/j.jcsr.2006.02.005
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
In this paper an elitist genetic algorithm (GA) developed by the authors is compared with common commercial solutions for complex structural optimization. After its prior validation on two-dimensional (2D) structures, the GA was tuned and improved in order to obtain structural elements with minimum weights that satisfy the ultimate limit states of the applicable building code. Subsequently, the same spatial structures were optimized using a commercial structural analysis program. Finally, the cost and weight improvements obtained using the GA, although at a higher computational cost, are discussed. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1303 / 1309
页数:7
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