MATEC Web Conf.
Volume 83, 2016CSNDD 2016 - International Conference on Structural Nonlinear Dynamics and Diagnosis
|Number of page(s)||6|
|Section||Nonlinear dynamics of flexible structures|
|Published online||16 November 2016|
Low cost metamodel for robust design of periodic nonlinear coupled micro-systems
1 FEMTO-ST Institute, UMR 6174, Department of Applied Mechanics, University of Franche-Comté, UBFC, 24 Rue de l’Epitaphe, 25000 Besançon, France
2 National High School of Engineers of Tunis (ENSIT), University of Tunis, Tunis, Tunisia
To achieve robust design, in presence of uncertainty, nonlinearity and structural periodicity, a metamodel combining the Latin Hypercube Sampling (LHS) method for uncertainty propagation and an enriched Craig-Bampton Component Mode Synthesis approach (CB-CMS) for model reduction is proposed. Its application to predict the time responses of a stochastic periodic nonlinear micro-system proves its efficiency in terms of accuracy and reduction of computational cost.
© The Authors, published by EDP Sciences, 2016
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