دوره 5، شماره 1 - ( 10-1393 )
جلد 5 شماره 1 صفحات 65-53 |
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Shahrouziand M, Sardarinasab S. A NEW MEMETIC SWARM OPTIMIZATION FOR SPECTRAL LAYOUT DESIGN OF BRACED FRAMES . IJOCE 2015; 5 (1) :53-65
URL: http://ijoce.iust.ac.ir/article-1-198-fa.html
URL: http://ijoce.iust.ac.ir/article-1-198-fa.html
A NEW MEMETIC SWARM OPTIMIZATION FOR SPECTRAL LAYOUT DESIGN OF BRACED FRAMES . عنوان نشریه. 1393; 5 (1) :53-65
چکیده: (21795 مشاهده)
For most practical purposes, true topology optimization of a braced frame should be synchronized with its sizing. An integrated layout optimization is formulated here to simultaneously account for both member sizing and bracings’ topology in such a problem. Code-specific seismic design spectrum is applied to unify the earthquake excitation. The problem is solved for minimal structural weight under codified stress, deformation and also user-defined weak-storey and architectural constraints. Particle swarm optimization is hybridized with an extra memory consideration strategy to solve this problem. As another issue, Baldwin effect of memetic algorithm is utilized in the proposed method to enhance its search capability regarding the geometrical and topological constraints. Treating a number of planar braced frames revealed superior performance of the proposed hybrid method partiqularly in avoiding premature convergence over the common particle swarm optimiztion for such a discrete problem.
نوع مطالعه: پژوهشي |
موضوع مقاله:
Optimal design
دریافت: 1393/10/12 | پذیرش: 1393/10/12 | انتشار: 1393/10/12
دریافت: 1393/10/12 | پذیرش: 1393/10/12 | انتشار: 1393/10/12
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