Volume 3, Issue 3 (9-2013)
2013, 3(3): 431-444 |
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Cheng W, Liu F, Li L. SIZE AND GEOMETRY OPTIMIZATION OF TRUSSES USING TEACHING-LEARNING-BASED OPTIMIZATION. International Journal of Optimization in Civil Engineering 2013; 3 (3) :431-444
URL: http://ijoce.iust.ac.ir/article-1-142-en.html
URL: http://ijoce.iust.ac.ir/article-1-142-en.html
Abstract: (18231 Views)
A novel optimization algorithm named teaching-learning-based optimization (TLBO) algorithm and its implementation procedure were presented in this paper. TLBO is a meta-heuristic method, which simulates the phenomenon in classes. TLBO has two phases: teacher phase and learner phase. Students learn from teachers in teacher phases and obtain knowledge by mutual learning in learner phase. The suitability of TLBO for size and geometry optimization of structures in structural optimal design was tested by three truss examples. Meanwhile, these examples were used as benchmark structures to explore the effectiveness and robustness of TLBO. The results were compared with those of other algorithms. It is found that TLBO has advantages over other optimal algorithms in convergence rate and accuracy when the number of variables is the same. It is much desired for TLBO to be applied to the tasks of optimal design of engineering structures.
Keywords: teaching-learning-based optimization (TLBO); size and geometry optimization; truss structure
Type of Study: Research |
Subject:
Optimal design
Received: 2013/07/29 | Accepted: 2013/07/29 | Published: 2013/07/29
Received: 2013/07/29 | Accepted: 2013/07/29 | Published: 2013/07/29
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