The Effect of Member Grouping on the Optimum Design of Grillages with Particle Swarm Method
Member grouping of a steel grillage system has an important effect in the minimum weight design of these systems. In the present study, this effect is investigated using an optimum design algorithm which is based on a recently developed particle swarm optimization method (PSO). Particle swarm optimizer is a simulator of social behavior that is used to realize the movement of a birds’ flock, which is a population based numerical optimization technique. The optimum design problem of a grillage system is formulated by implementing LRFDAISC (Load and Resistance Factor Design-American Institute of Steel Construction) limitations. It is decided that W-Sections are to be adapted for the longitudinal and transverse beams of the grillage system. 272 WSection beams given in LRFD code are collected in a pool and the optimum design algorithm is expected to select the appropriate sections from this pool so that the weight of the grillage is the minimum correspondingly the design limitations implemented from the design code are satisfied. The solution for this discrete programming problem is determined by using the PSO algorithm. In order to demonstrate the effect of member grouping in the optimum design of grillage systems, a design example is presented
Keywords:
Grillage optimization, discrete optimum design member grouping, stochastic search technique, particle swarm algorithm,
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- Başlangıç: 2009
- Yayıncı: Akdeniz Üniversitesi
Sayıdaki Diğer Makaleler
A. AL-FARUK, N. AHMED, M.a. HAQUE, S.a. MAHMUD
M. Mashud, Abdullah Al-Bari, Md. G. Kader
F. ERDAL, E. DOĞAN, M. P. SAKA
R. DANESHFARAZ, S. SADEQFAM, M. MAJEDİ-ASL