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Wednesday, July 10 • 16:50 - 17:10
UNCERTAINTY QUANTIFICATION IN NATURAL FREQUENCY OF LAMINATED COMPOSITES USING KRIGING BASED APPROACH

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In the present study, stochastic natural frequency for laminated composite plates is presented by using Kriging model approach. The universal Kriging model is employed as a surrogate model constructed by using Latin hypercube sampling. A trigonometric higher order shear deformation theory is assessed for uncertainty quantification by finite element formulation. The influence of random variation of material input parameters on the natural frequencies is presented. The accuracy of present approach is ensured by convergence studies and error analysis. The present method is computationally efficient and requires reduced sampling size compared to direct Monte Carlo simulation. The frequency response function and stochastic mode shapes are also depicted for a laminated configuration.

Moderators
KK

kamal Kesour

PhD, Université de Sherbrooke

Authors

Wednesday July 10, 2019 16:50 - 17:10 EDT
St-Laurent 8