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A technique for stiffness improvement by optimization of fiber steering in composite plates

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Show simple item record Tabakov, Pavel Y. Walker, Mark 2011-08-01T07:56:14Z 2011-08-01T07:56:14Z 2010
dc.description Originally published in: Applied composite materials Vol. 17, No. 5, 2010. en_US
dc.description.abstract A methodology for stiffness improvement by optimal orientation of fibers placed using fiber steering techniques of composite plates has been developed and is described here. A genetic algorithm is employed to determine the optimal orientation of the tow fibers and, in addition, once the plate has been divided up into cells in order to apply the technique, the orientation gradient between adjacent cells is capped. The finite element method (FEM) is used to determine the fitness of each design candidate. The approach developed also differs from existing ones by having a more sophisticated chromosome string. By relying on the algorithm for the calculation of the fiber orientation in a specific cell, a relatively short and rapid convergence string is assembled. The numerical results obtained show a significant improvement in stiffness when the fiber orientation angle is allowed to vary spatially throughout the ply. en_US
dc.format.extent pp. 453-461 (9 p.) en_US
dc.language.iso en en_US
dc.publisher Springer en_US
dc.rights The electronic version of the article published in Applied composite materials 2010, 17(5): 453-461 © 2010 copyright Springer. Applied composite materials available online at: en_US
dc.subject Fiber steering en_US
dc.subject Composite laminates en_US
dc.subject Optimization en_US
dc.subject Genetic algorithm en_US
dc.title A technique for stiffness improvement by optimization of fiber steering in composite plates en_US
dc.type Article en_US
dc.publisher.uri en_US
dc.dut-rims.pubnum DUT-000167

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