Volume 3, Issue 1 (3-2013)
2013, 3(1): 151-178 |
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Kaveh A, Kalatjari V, Talebpour M, Torkamanzadeh J. CONFIGURATION OPTIMIZATION OF TRUSSES USING A MULTI HEURISTIC BASED SEARCH METHOD. International Journal of Optimization in Civil Engineering 2013; 3 (1) :151-178
URL: http://ijoce.iust.ac.ir/article-1-124-en.html
URL: http://ijoce.iust.ac.ir/article-1-124-en.html
Abstract: (20500 Views)
Different methods are available for simultaneous optimization of cross-section, topology and geometry of truss structures. Since the search space for this problem is very large, the probability of falling in local optimum is considerably high. On the other hand, different types of design variables (continuous and discrete) lead to some difficulties in the process of optimization. In this article, simultaneous optimization of cross-section, topology and geometry of truss structures is performed by utilizing the Multi Heuristic based Search Method (MHSM) that overcome the above mentioned problem and obtains good results. The presented method performs the optimization by dividing the searching space into five subsections in which an MHSM is employed. These subsections are named procedure islands. Some examples are then presented to scrutinize the method more carefully. Results show the capabilities of the present algorithm for optimal design of truss structures.
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