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Critical experimental issues of cracked aluminum beam in operational modal analysis / M. Azhan Anuar ... [et al.]

Obtaining good experimental modal data in order to use it for further analysis is very essential in modal analysis. This paper investigates the dynamic characteristics of aluminium beam with a single crack at its centre using various identification algorithms in Operational Modal Analysis (OMA, or a...

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Main Authors: Anuar, M. Azhan, Mat Isa, A.A., A.R., Zamri
Format: Article
Language:English
Published: Faculty of Mechanical Engineering Universiti Teknologi MARA (UiTM) 2018
Subjects:
Composite materials
Quantum theory. Quantum mechanics
Online Access:http://ir.uitm.edu.my/id/eprint/40969/1/40969.pdf
http://ir.uitm.edu.my/id/eprint/40969/
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spelling my.uitm.ir.409692021-01-26T03:58:40Z http://ir.uitm.edu.my/id/eprint/40969/ Critical experimental issues of cracked aluminum beam in operational modal analysis / M. Azhan Anuar ... [et al.] Anuar, M. Azhan Mat Isa, A.A. A.R., Zamri Composite materials Quantum theory. Quantum mechanics Obtaining good experimental modal data in order to use it for further analysis is very essential in modal analysis. This paper investigates the dynamic characteristics of aluminium beam with a single crack at its centre using various identification algorithms in Operational Modal Analysis (OMA, or also called Output-Only or Ambient Modal Analysis). Algorithms such as Frequency Domain Decomposition (FDD), Enhanced Frequency Domain Decomposition (EFDD) and Stochastic Subspace Identification (SSI) are applied in this study. For its simplicity and direct investigation purpose, the beam considered is a free-free end beam condition. Comparison of the results of these techniques will be shown to justify the validity of each technique used. Good modal data are obtained by examining and emphasizing on technical aspects in processing the experimental data which are critical issues to be addressed. The accuracy of the results is duly examined for each post-processing modification made Faculty of Mechanical Engineering Universiti Teknologi MARA (UiTM) 2018 Article PeerReviewed text en http://ir.uitm.edu.my/id/eprint/40969/1/40969.pdf Anuar, M. Azhan and Mat Isa, A.A. and A.R., Zamri (2018) Critical experimental issues of cracked aluminum beam in operational modal analysis / M. Azhan Anuar ... [et al.]. Journal of Mechanical Engineering (JMechE), SI 5 (6). pp. 211-225. ISSN 18235514
institution Universiti Teknologi Mara
building Tun Abdul Razak Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Mara
content_source UiTM Institutional Repository
url_provider http://ir.uitm.edu.my/
language English
topic Composite materials
Quantum theory. Quantum mechanics
spellingShingle Composite materials
Quantum theory. Quantum mechanics
Anuar, M. Azhan
Mat Isa, A.A.
A.R., Zamri
Critical experimental issues of cracked aluminum beam in operational modal analysis / M. Azhan Anuar ... [et al.]
description Obtaining good experimental modal data in order to use it for further analysis is very essential in modal analysis. This paper investigates the dynamic characteristics of aluminium beam with a single crack at its centre using various identification algorithms in Operational Modal Analysis (OMA, or also called Output-Only or Ambient Modal Analysis). Algorithms such as Frequency Domain Decomposition (FDD), Enhanced Frequency Domain Decomposition (EFDD) and Stochastic Subspace Identification (SSI) are applied in this study. For its simplicity and direct investigation purpose, the beam considered is a free-free end beam condition. Comparison of the results of these techniques will be shown to justify the validity of each technique used. Good modal data are obtained by examining and emphasizing on technical aspects in processing the experimental data which are critical issues to be addressed. The accuracy of the results is duly examined for each post-processing modification made
format Article
author Anuar, M. Azhan
Mat Isa, A.A.
A.R., Zamri
author_facet Anuar, M. Azhan
Mat Isa, A.A.
A.R., Zamri
author_sort Anuar, M. Azhan
title Critical experimental issues of cracked aluminum beam in operational modal analysis / M. Azhan Anuar ... [et al.]
title_short Critical experimental issues of cracked aluminum beam in operational modal analysis / M. Azhan Anuar ... [et al.]
title_full Critical experimental issues of cracked aluminum beam in operational modal analysis / M. Azhan Anuar ... [et al.]
title_fullStr Critical experimental issues of cracked aluminum beam in operational modal analysis / M. Azhan Anuar ... [et al.]
title_full_unstemmed Critical experimental issues of cracked aluminum beam in operational modal analysis / M. Azhan Anuar ... [et al.]
title_sort critical experimental issues of cracked aluminum beam in operational modal analysis / m. azhan anuar ... [et al.]
publisher Faculty of Mechanical Engineering Universiti Teknologi MARA (UiTM)
publishDate 2018
url http://ir.uitm.edu.my/id/eprint/40969/1/40969.pdf
http://ir.uitm.edu.my/id/eprint/40969/
_version_ 1690374299972534272
score 13.211869

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