@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{Sarrouy_2019a,
title = {Phase driven modal synthesis for forced response evaluation},
author = {E Sarrouy},
year = {2019},
date = {2019-07-04},
booktitle = {Proceedings of the 7th International Conference on Nonlinear Vibrations, Localization and Energy Transfer July 1-4, 2019 - Marseille, France},
keywords = {Nonlinear Normal Modes (NNM), Phase Driven FRF},
pubstate = {published},
tppubtype = {inproceedings}
}