Effect of structural uncertainties on the nonlinear elastic behavior of a curved beam. Stochastic computational modeling and comparison with simulated experiments

E. Capiez-Lernout, C. Soize, Marc Mignolet

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

A methodology for analyzing the response of geometrically nonlinear structural systems in presence of both system parameters uncertainties and model uncertainties is presented in the context of the robust identification of uncertain nonlinear computational models using experiments. This methodology requires the knowledge of a reference calculation issued from the mean model in order to obtain the POD-basis used for the construction of the mean reduced nonlinear computational model. This explicit construction is carried out in the context of three-dimensional solid finite elements. This allows the uncertain nonlinear computational model to be constructed in any general case with the nonparametric probabilistic approach. A numerical example is then carried out in order to show the efficiency of the method.

Original languageEnglish (US)
Title of host publicationProceedings of the 8th International Conference on Structural Dynamics, EURODYN 2011
PublisherUniversity of Southampton, Institute of Sound Vibration and Research
Pages2682-2689
Number of pages8
ISBN (Print)9789076019314
StatePublished - 2011
Event8th International Conference on Structural Dynamics, EURODYN 2011 - Leuven, Belgium
Duration: Jul 4 2011Jul 6 2011

Other

Other8th International Conference on Structural Dynamics, EURODYN 2011
CountryBelgium
CityLeuven
Period7/4/117/6/11

Keywords

  • Geometrical nonlinearities
  • POD
  • Post-buckling
  • Robust updating
  • Uncertainties

ASJC Scopus subject areas

  • Hardware and Architecture
  • Computer Networks and Communications
  • Control and Systems Engineering
  • Electrical and Electronic Engineering

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  • Cite this

    Capiez-Lernout, E., Soize, C., & Mignolet, M. (2011). Effect of structural uncertainties on the nonlinear elastic behavior of a curved beam. Stochastic computational modeling and comparison with simulated experiments. In Proceedings of the 8th International Conference on Structural Dynamics, EURODYN 2011 (pp. 2682-2689). University of Southampton, Institute of Sound Vibration and Research.