دوره 12، شماره 4 - ( 5-1401 )                   جلد 12 شماره 4 صفحات 608-595 | برگشت به فهرست نسخه ها

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Hosseini P, Kaveh A, Hoseini Vaez S R. ROBUST DESIGN OPTIMIZATION OF SPACE TRUSS STRUCTURES. International Journal of Optimization in Civil Engineering 2022; 12 (4) :595-608
URL: http://ijoce.iust.ac.ir/article-1-536-fa.html
ROBUST DESIGN OPTIMIZATION OF SPACE TRUSS STRUCTURES. عنوان نشریه. 1401; 12 (4) :595-608

URL: http://ijoce.iust.ac.ir/article-1-536-fa.html


چکیده:   (5555 مشاهده)
The existence of uncertainties in engineering problems makes it essential to consider these effects at all times. Robust design optimization allows a design to be made less sensitive to uncertain input parameters. Actually, robust design optimization reduces the sensitivity of the objective function and the variations in design performance when uncertainty exists. In this study, two space trusses were optimized based on the modulus of elasticity, yield stress, and cross-sectional uncertainties in order to increase the response robustness and decrease the weight. The displacement of one node has been used as the criterion for Robust Design Optimization (RDO) of these two structures. Two trusses with 72 members and 582 members are considered, which are famous trusses in the field of structural optimization. Also, the EVPS meta-heuristic algorithm was employed which is an enhanced version of the VPS algorithm based on the single degrees of freedom of a system with viscous damping.
 
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نوع مطالعه: پژوهشي | موضوع مقاله: Optimal design
دریافت: 1401/6/16 | پذیرش: 1401/5/28 | انتشار: 1401/5/28

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