## 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 language | English (US) |
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Title of host publication | Proceedings of the 8th International Conference on Structural Dynamics, EURODYN 2011 |

Publisher | University of Southampton, Institute of Sound Vibration and Research |

Pages | 2682-2689 |

Number of pages | 8 |

ISBN (Print) | 9789076019314 |

State | Published - 2011 |

Event | 8th International Conference on Structural Dynamics, EURODYN 2011 - Leuven, Belgium Duration: Jul 4 2011 → Jul 6 2011 |

### Other

Other | 8th International Conference on Structural Dynamics, EURODYN 2011 |
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Country | Belgium |

City | Leuven |

Period | 7/4/11 → 7/6/11 |

## 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