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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 106
PROCEEDINGS OF THE TWELFTH INTERNATIONAL CONFERENCE ON COMPUTATIONAL STRUCTURES TECHNOLOGY Edited by:
Paper 161
A Proper Generalized Decomposition Approach for Low Frequency Dynamic Problems P. Nargil, F. Louf and P.-A. Boucard
LMT-Cachan, ENS Cachan, CNRS, UPMC, PRES, UniverSud, France P. Nargil, F. Louf, P.-A. Boucard, "A Proper Generalized Decomposition Approach for Low Frequency Dynamic Problems", in , (Editors), "Proceedings of the Twelfth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 161, 2014. doi:10.4203/ccp.106.161
Keywords: reduced order modeling, separated variables representation, proper generalized decomposition, proper orthogonal decomposition, dynamics, reduced basis..
Summary
Answering the need of an industrial search for a model order reduction to be used on
a parametric problem, we offer to adapt the proper generalized decomposition (PGD)
for its use. The goal of the work, described in this paper, is to adapt the PGD to dynamics
problems. Proper orthogonal decomposition (POD) will be used as a comparison
tool for the PGD basis, because they are both reduced order modeling methods using
separated variables. In order to use these methods on dynamics problems, a choice has
to be made regarding the integration scheme, therefore this paper will present different
possibilities and show what they offer. Results on academic problems for the method
will be presented.
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