STACKING SEQUENCE OPTIMIZATION OF COMPOSITE LAMINATED BEAMS FOR THE MINIMIZATION OF MAXIMUM NORMAL AND SHEAR STRESSES
Fatih Karaçam, Taner Timarci
Pages: 195-203
Published: 1 Jan 2013
Views: 308
Downloads: 25
Abstract: In this study, the stacking sequences of laminated composite beams under uniform distributed load are optimised for the minimization of maximum normal and shear stresses. Genetic algorithm is used as optimization technique. A unified three-degree-of-freedom shear deformable beam theory is used in analytical solution. Initially, the stacking sequences giving the maximum values of normal and shear stresses are obtained analytically among all possible configurations for various boundary conditions. Then, the minimum stresses and corresponding stacking sequences among the maximum ones are obtained by applying genetic algorithm. In order to improve the efficiency of the algorithm, elitism is included. The processing time taken by both approaches are compared for different boundary conditions.
Keywords: laminated composite beams, shear deformation beam theory, stacking sequence
Cite this article: Fatih Karaçam, Taner Timarci. STACKING SEQUENCE OPTIMIZATION OF COMPOSITE LAMINATED BEAMS FOR THE MINIMIZATION OF MAXIMUM NORMAL AND SHEAR STRESSES. Journal of International Scientific Publications: Materials, Methods & Technologies 7, 195-203 (2013). https://www.scientific-publications.net/en/article/1003049/
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