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Publications (6/6 displayed)
- 2018Maximization of fundamental frequency of layered composites using differential evolution optimizationcitations
- 2013A study of a microstructure-dependent composite laminated Timoshenko beam using a modified couple stress theory and a meshless methodcitations
- 2013Static Deformations and Vibration Analysis of Composite and Sandwich Plates Using a Layerwise Theory and a Local Radial Basis Functions-Finite Differences Discretizationcitations
- 2005Free vibration analysis of symmetric laminated composite plates by FSDT and radial basis functionscitations
- 2004Radial basis functions and higher-order shear deformation theories in the analysis of laminated composite beams and platescitations
- 2003Analysis of composite plates using higher-order shear deformation theory and a finite point formulation based on the multiquadric radial basis function methodcitations
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article
Maximization of fundamental frequency of layered composites using differential evolution optimization
Abstract
Differential evolution optimization is used to find staking sequences for maximization of the natural frequency of symmetric and asymmetric laminates. Clamped and simply supported boundary condition are considered. A meshless numerical method is used to compute free vibrations of square and rectangular plates. Obtained staking sequences for symmetric laminates are in accordance with the literature. Optimized staking sequences for 8 ply asymmetric laminates are also presented. Asymmetric staking sequences produced higher first natural frequencies. Posterior analysis shows that optimized asymmetric staking sequences are hygrothermally stable.