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Dijital Arşivi

Design of composite structures for minumum weight

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dc.contributor Ph.D. Program in Mechanical Engineering.
dc.contributor.advisor Sönmez, Fazıl Önder.
dc.contributor.author Akbulut, Mustafa.
dc.date.accessioned 2023-03-16T11:19:45Z
dc.date.available 2023-03-16T11:19:45Z
dc.date.issued 2010.
dc.identifier.other ME 2010 A43 PhD
dc.identifier.uri http://digitalarchive.boun.edu.tr/handle/123456789/15198
dc.description.abstract The goal of this study is to develop methodologies to optimize the structural design of composite materials to achieve the minimum weight. Mainly three different problem areas were considered. Firstly, weight minimization of laminated composite plates subjected to in-plane loading; secondly, as an extension of the first problem, weight minimization of laminated composites subjected to in-plane and out-of-plane loads; thirdly, optimal design of laminated composite plates with notches using progressive failure approach. Considering that composite materials are generally used in applications where weight is critical and considering their high cost, in this study, designs with minimum material use were aimed. Fiber orientation angle and number of plies in each lamina were used as design variables. The maximum stress and Tsai-Wu criteria were used individually or together to predict static failure. Different geometries and loading conditions were considered. Because the problems considered in this study contain numerous local optimums, a global search algorithm, Simulated Annealing, was used as the optimization algorithm. A number of modifications were proposed to improve the reliability of the algorithm.
dc.format.extent 30cm.
dc.publisher Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010.
dc.subject.lcsh Composite construction.
dc.subject.lcsh Lightweight construction.
dc.title Design of composite structures for minumum weight
dc.format.pages xvii, 73 leaves;


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