Ray optimization for size and shape optimization of truss structures

► The recently developed method, ray optimization, is employed for size and shape optimization of truss structures. ► The goal function of the present method is the minimization of truss weight under the required constraints. ► Comparison of the obtained results with those of some previous studies d...

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Bibliographic Details
Published in:Computers & structures 2013-02, Vol.117, p.82-94
Main Authors: Kaveh, A., Khayatazad, M.
Format: Article
Language:English
Subjects:
Algorithms
Computer simulation
Mathematical analysis
Mathematical models
Optimization
Ray optimization
Searching
Shape optimization
Snell’s law
Truss shape optimization
Truss size optimization
Trusses
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Summary:► The recently developed method, ray optimization, is employed for size and shape optimization of truss structures. ► The goal function of the present method is the minimization of truss weight under the required constraints. ► Comparison of the obtained results with those of some previous studies demonstrates the efficiency of the ray optimization. In this paper, the recently developed method, so-called ray optimization, is employed for size and shape optimization of truss structures. The goal function of the present optimization method is the minimization of truss weight under the required constraints. In ray optimization, each agent is modeled as a ray of light that moves in the search space in order to find the global or near-global optimum solution. Comparison of the obtained results with those of some previous studies demonstrates the efficiency of this new algorithm.
ISSN:0045-7949
1879-2243
DOI:10.1016/j.compstruc.2012.12.010