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Non-intrusive reduced order modelling of fluid–structure interactions

D. Xiao, P. Yang, F. Fang, J. Xiang, C.C. Pain, I.M. Navon, Dunhui Xiao Orcid Logo

Computer Methods in Applied Mechanics and Engineering, Volume: 303, Pages: 35 - 54

Swansea University Author: Dunhui Xiao Orcid Logo

Abstract

A novel non-intrusive reduced order model (NIROM) for fluid–structure interaction (FSI) has been developed. The model is based on proper orthogonal decomposition (POD) and radial basis function (RBF) interpolation method. The method is independent of the governing equations, therefore, it does not r...

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Published in: Computer Methods in Applied Mechanics and Engineering
ISSN: 0045-7825
Published: 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa46456
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spelling 2022-09-27T17:06:16.8054869 v2 46456 2018-12-06 Non-intrusive reduced order modelling of fluid–structure interactions 62c69b98cbcdc9142622d4f398fdab97 0000-0003-2461-523X Dunhui Xiao Dunhui Xiao true false 2018-12-06 AERO A novel non-intrusive reduced order model (NIROM) for fluid–structure interaction (FSI) has been developed. The model is based on proper orthogonal decomposition (POD) and radial basis function (RBF) interpolation method. The method is independent of the governing equations, therefore, it does not require modifications to the source code. This is the first time that a NIROM was constructed for FSI phenomena using POD and RBF interpolation method. Another novelty of this work is the first implementation of the FSI NIROM under the framework of an unstructured mesh finite element multi-phase model (Fluidity) and a combined finite-discrete element method based solid model (Y2D).The capability of this new NIROM for FSI is numerically illustrated in three coupling simulations: a one-way coupling case (flow past a cylinder), a two-way coupling case (a free-falling cylinder in water) and a vortex-induced vibration of an elastic beam test case. It is shown that the FSI NIROM results in a large CPU time reduction by several orders of magnitude while the dominant details of the high fidelity model are captured. Journal Article Computer Methods in Applied Mechanics and Engineering 303 35 54 0045-7825 RBF, POD, Fluid–structure interaction, Non-intrusive, Coupling 31 12 2016 2016-12-31 10.1016/j.cma.2015.12.029 COLLEGE NANME Aerospace Engineering COLLEGE CODE AERO Swansea University 2022-09-27T17:06:16.8054869 2018-12-06T14:52:19.7532535 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Aerospace Engineering D. Xiao 1 P. Yang 2 F. Fang 3 J. Xiang 4 C.C. Pain 5 I.M. Navon 6 Dunhui Xiao 0000-0003-2461-523X 7 0046456-13122018163824.pdf rbf-coupling.pdf 2018-12-13T16:38:24.8870000 Output 2841568 application/pdf Proof true 2018-12-13T00:00:00.0000000 true eng
title Non-intrusive reduced order modelling of fluid–structure interactions
spellingShingle Non-intrusive reduced order modelling of fluid–structure interactions
Dunhui Xiao
title_short Non-intrusive reduced order modelling of fluid–structure interactions
title_full Non-intrusive reduced order modelling of fluid–structure interactions
title_fullStr Non-intrusive reduced order modelling of fluid–structure interactions
title_full_unstemmed Non-intrusive reduced order modelling of fluid–structure interactions
title_sort Non-intrusive reduced order modelling of fluid–structure interactions
author_id_str_mv 62c69b98cbcdc9142622d4f398fdab97
author_id_fullname_str_mv 62c69b98cbcdc9142622d4f398fdab97_***_Dunhui Xiao
author Dunhui Xiao
author2 D. Xiao
P. Yang
F. Fang
J. Xiang
C.C. Pain
I.M. Navon
Dunhui Xiao
format Journal article
container_title Computer Methods in Applied Mechanics and Engineering
container_volume 303
container_start_page 35
publishDate 2016
institution Swansea University
issn 0045-7825
doi_str_mv 10.1016/j.cma.2015.12.029
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Aerospace Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Aerospace Engineering
document_store_str 1
active_str 0
description A novel non-intrusive reduced order model (NIROM) for fluid–structure interaction (FSI) has been developed. The model is based on proper orthogonal decomposition (POD) and radial basis function (RBF) interpolation method. The method is independent of the governing equations, therefore, it does not require modifications to the source code. This is the first time that a NIROM was constructed for FSI phenomena using POD and RBF interpolation method. Another novelty of this work is the first implementation of the FSI NIROM under the framework of an unstructured mesh finite element multi-phase model (Fluidity) and a combined finite-discrete element method based solid model (Y2D).The capability of this new NIROM for FSI is numerically illustrated in three coupling simulations: a one-way coupling case (flow past a cylinder), a two-way coupling case (a free-falling cylinder in water) and a vortex-induced vibration of an elastic beam test case. It is shown that the FSI NIROM results in a large CPU time reduction by several orders of magnitude while the dominant details of the high fidelity model are captured.
published_date 2016-12-31T03:58:02Z
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