The wave finite element method for uncertain systems with model uncertainty

The random dynamic response of periodic structures with model uncertainties is here studied. For that purpose, a nonparametric model of random uncertainties is used. The present approach is based on the maximum entropy principle optimization and is developed to identify the response of linear and no...

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Veröffentlicht in:	Proceedings of the Institution of Mechanical Engineers. Part C, Journal of mechanical engineering science Journal of mechanical engineering science, 2016-04, Vol.230 (6), p.974-985
Hauptverfasser:	Ben Souf, MA, Bareille, O, Ichchou, M, Haddar, M
Format:	Artikel
Sprache:	eng
Schlagworte:	Dynamic response Dynamical systems Entropy Finite element analysis Finite element method Mathematical analysis Mathematical models Maximum entropy Nonlinear dynamics Optimization Uncertainty
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Zusammenfassung:	The random dynamic response of periodic structures with model uncertainties is here studied. For that purpose, a nonparametric model of random uncertainties is used. The present approach is based on the maximum entropy principle optimization and is developed to identify the response of linear and nonlinear dynamic systems. This non-parametric probabilistic approach is implemented in combination with the Wave Finite Element. Numerical test cases are used as examples and for validation purpose.
ISSN:	0954-4062 2041-2983
DOI:	10.1177/0954406215617197