The prediction of the dynamic behaviour of a structure using model updating and frequency based substructuring

Combining analytical with experimental data to predict the dynamic behaviour of an assembled structure via the frequency based substructuring (FBS) method, is a common practice in the field of structural dynamics. However, the accuracy of the dynamic behaviour predicted from the FBS method relies he...

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Main Authors:	W. I. I., Wan Iskandar Mirza, M. N., Abdul Rani, M. A., Yunus, M. S. M., Sani, M. S., Mohd Zin
Format:	Conference or Workshop Item
Language:	English
Published:	IOP Publishing 2019
Subjects:	TA Engineering (General). Civil engineering (General) TJ Mechanical engineering and machinery TL Motor vehicles. Aeronautics. Astronautics
Online Access:	http://umpir.ump.edu.my/id/eprint/26216/ http://umpir.ump.edu.my/id/eprint/26216/ http://umpir.ump.edu.my/id/eprint/26216/1/The%20prediction%20of%20the%20dynamic%20behaviour.pdf

id	ump-26216
recordtype	eprints
spelling	ump-262162019-10-30T07:26:25Z http://umpir.ump.edu.my/id/eprint/26216/ The prediction of the dynamic behaviour of a structure using model updating and frequency based substructuring W. I. I., Wan Iskandar Mirza M. N., Abdul Rani M. A., Yunus M. S. M., Sani M. S., Mohd Zin TA Engineering (General). Civil engineering (General) TJ Mechanical engineering and machinery TL Motor vehicles. Aeronautics. Astronautics Combining analytical with experimental data to predict the dynamic behaviour of an assembled structure via the frequency based substructuring (FBS) method, is a common practice in the field of structural dynamics. However, the accuracy of the dynamic behaviour predicted from the FBS method relies heavily on the quality of experimental frequency response function (FRF) of the interfaces on which, in practice, it is very difficult to obtain. In addition, the accuracy of the FBS method is highly dependent on experimental rotational degrees of freedom (DOF) which are always found to be very difficult to measure accurately. Therefore, this paper proposes a new frequency response function (FRF) coupling scheme that may uniquely address the difficulties and improve the quality of predicted results of the FBS method. The scheme is formulated based on the finite element method, model updating technique and experimental modal analysis. A simplified finite element model of a physical test substructure is developed to generate rotational FRF data by reconciling the initial FE model using the model updating technique. It was found that the scheme adopted allows generating full translational and rotational degrees of freedom data and leads to a significant improvement in the FRF coupling process between the analytical and experimental model in the FBS method. IOP Publishing 2019-04-15 Conference or Workshop Item PeerReviewed pdf en cc_by http://umpir.ump.edu.my/id/eprint/26216/1/The%20prediction%20of%20the%20dynamic%20behaviour.pdf W. I. I., Wan Iskandar Mirza and M. N., Abdul Rani and M. A., Yunus and M. S. M., Sani and M. S., Mohd Zin (2019) The prediction of the dynamic behaviour of a structure using model updating and frequency based substructuring. In: IOP Conference Series: Materials Science and Engineering, 1st South Aceh International Conference on Engineering and Technology (SAICOET), 8-9 December 2018 , Politeknik Aceh Selatan Campus, Indonesia. pp. 1-7., 506 (012011). ISSN 1757-8981 (Print), 1757-899X (Online) https://doi.org/10.1088/1757-899X/506/1/012011
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English
topic	TA Engineering (General). Civil engineering (General) TJ Mechanical engineering and machinery TL Motor vehicles. Aeronautics. Astronautics
spellingShingle	TA Engineering (General). Civil engineering (General) TJ Mechanical engineering and machinery TL Motor vehicles. Aeronautics. Astronautics W. I. I., Wan Iskandar Mirza M. N., Abdul Rani M. A., Yunus M. S. M., Sani M. S., Mohd Zin The prediction of the dynamic behaviour of a structure using model updating and frequency based substructuring
description	Combining analytical with experimental data to predict the dynamic behaviour of an assembled structure via the frequency based substructuring (FBS) method, is a common practice in the field of structural dynamics. However, the accuracy of the dynamic behaviour predicted from the FBS method relies heavily on the quality of experimental frequency response function (FRF) of the interfaces on which, in practice, it is very difficult to obtain. In addition, the accuracy of the FBS method is highly dependent on experimental rotational degrees of freedom (DOF) which are always found to be very difficult to measure accurately. Therefore, this paper proposes a new frequency response function (FRF) coupling scheme that may uniquely address the difficulties and improve the quality of predicted results of the FBS method. The scheme is formulated based on the finite element method, model updating technique and experimental modal analysis. A simplified finite element model of a physical test substructure is developed to generate rotational FRF data by reconciling the initial FE model using the model updating technique. It was found that the scheme adopted allows generating full translational and rotational degrees of freedom data and leads to a significant improvement in the FRF coupling process between the analytical and experimental model in the FBS method.
format	Conference or Workshop Item
author	W. I. I., Wan Iskandar Mirza M. N., Abdul Rani M. A., Yunus M. S. M., Sani M. S., Mohd Zin
author_facet	W. I. I., Wan Iskandar Mirza M. N., Abdul Rani M. A., Yunus M. S. M., Sani M. S., Mohd Zin
author_sort	W. I. I., Wan Iskandar Mirza
title	The prediction of the dynamic behaviour of a structure using model updating and frequency based substructuring
title_short	The prediction of the dynamic behaviour of a structure using model updating and frequency based substructuring
title_full	The prediction of the dynamic behaviour of a structure using model updating and frequency based substructuring
title_fullStr	The prediction of the dynamic behaviour of a structure using model updating and frequency based substructuring
title_full_unstemmed	The prediction of the dynamic behaviour of a structure using model updating and frequency based substructuring
title_sort	prediction of the dynamic behaviour of a structure using model updating and frequency based substructuring
publisher	IOP Publishing
publishDate	2019
url	http://umpir.ump.edu.my/id/eprint/26216/ http://umpir.ump.edu.my/id/eprint/26216/ http://umpir.ump.edu.my/id/eprint/26216/1/The%20prediction%20of%20the%20dynamic%20behaviour.pdf
first_indexed	2023-09-18T22:40:41Z
last_indexed	2023-09-18T22:40:41Z
_version_	1777416894475665408

The prediction of the dynamic behaviour of a structure using model updating and frequency based substructuring

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