@article{Sarrouy_2019,
title = {Phase driven study for stochastic linear multi-dofs dynamic response},
author = {Emmanuelle Sarrouy},
url = {http://www.sciencedirect.com/science/article/pii/S088832701930278X},
doi = {10.1016/j.ymssp.2019.04.042},
year = {2019},
date = {2019-01-01},
journal = {Mechanical Systems and Signal Processing},
volume = {129},
pages = {717--740},
abstract = {This work addresses the computation of dynamic responses of stochastic linear systems using polynomial chaos expansion. As is now well known, polynomial chaos does not offer an accurate representation of dynamic response around resonances when the responses are evaluated for several frequency values. A new parametrization of the frequency response function is then proposed: instead of considering the frequency as the main parameter, a ''total phase'' parameter is defined and used to define the dynamical system to be solved. It is shown via two applications that this approach offers very accurate results when conjugated to polynomial chaos with low degree.},
keywords = {Phase Driven FRF, Polynomial Chaos Expansion (PCE), Stochastic, Structural dynamics},
pubstate = {published},
tppubtype = {article}
}
This work addresses the computation of dynamic responses of stochastic linear systems using polynomial chaos expansion. As is now well known, polynomial chaos does not offer an accurate representation of dynamic response around resonances when the responses are evaluated for several frequency values. A new parametrization of the frequency response function is then proposed: instead of considering the frequency as the main parameter, a ''total phase'' parameter is defined and used to define the dynamical system to be solved. It is shown via two applications that this approach offers very accurate results when conjugated to polynomial chaos with low degree.
@inproceedings{Cillis_2019,
title = {Investigation on the Use of a Passive Nonlinear Absorber for the Reduction of Vibration in the Mast of a Floating Offshore Wind Turbine},
author = {A. Cillis et E. Sarrouy et P.O. Mattei et R. Mariani et T. Choisnet},
url = {http://internoise2019.org/},
year = {2019},
date = {2019-06-16},
booktitle = {Proceedings of the 48th International Congress and Exhibition on Noise Control Engineering (INTER-NOISE 2019)},
keywords = {Nonlinear Energy Sink (NES), Structural dynamics},
pubstate = {published},
tppubtype = {inproceedings}
}
Sarrouy, Emmanuelle; Pagnacco, Emmanuel; de Cursi, Eduardo Souza
A constant phase approach for the frequency response of stochastic linear oscillators (Inproceedings)
Lemaire, Maurice; de Cursi, Eduardo Souza (Ed.): Proceedings of the 2nd International Symposium on Uncertainty Quantification and Stochastic Modeling, p. 117-132, Rouen, France, 2014.
@inproceedings{Sarrouy_2014,
title = {A constant phase approach for the frequency response of stochastic linear oscillators},
author = { Emmanuelle Sarrouy and Emmanuel Pagnacco and Eduardo Souza de Cursi},
editor = {Maurice Lemaire and Eduardo Souza de Cursi},
year = {2014},
date = {2014-06-01},
booktitle = {Proceedings of the 2nd International Symposium on Uncertainty Quantification and Stochastic Modeling},
pages = {117-132},
address = {Rouen, France},
keywords = {Frequency Response Function, Polynomial Chaos Expansion (PCE), Random vibration, Structural dynamics, Uncertainty propagation},
pubstate = {published},
tppubtype = {inproceedings}
}