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Modal and path contribution models from in-operation data: Review and new approaches.

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Title: Modal and path contribution models from in-operation data: Review and new approaches.
Authors: Van der Auweraer, H.1, Mas, P.1, Peeters, P.1, Janssens, K.1, Vecchio, A.1
Source: Shock & Vibration. 2008, p403-411. 9p. 3 Diagrams, 4 Graphs.
Subjects: Structural engineering software, Modal analysis, Computer simulation, Structural analysis (Engineering), Structural equation modeling, Factor analysis, Comparative studies
Abstract: In several cases, laboratory-based modelling approaches such as Experimental Modal Analysis and Transfer Path Analysis run into limitations with respect to technical and economical feasibility (accessibility of the structure, excitation feasibility, measurement time, accuracy, ..) as well as model representativity. Therefore, approaches such as in-operation modal analysis (OMA) have been developed and are reaching a similar degree of acceptability as standard EMA, with all limitations regarding accuracy and observability of the structural dynamics. In the same line of reasoning fits the question of system characterization and identification using (or based on) other operation data types such as transmissibility functions and coherence functions and data analysis procedures such as principal component analysis. Using these testing and analysis paradigms instead of the classical load-FRF-response one, key analysis techniques such as transfer path and contribution analysis can be reconsidered. [ABSTRACT FROM AUTHOR]
Copyright of Shock & Vibration is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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An: 32191804
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  Data: <searchLink fieldCode="DE" term="%22Structural+engineering+software%22">Structural engineering software</searchLink><br /><searchLink fieldCode="DE" term="%22Modal+analysis%22">Modal analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+simulation%22">Computer simulation</searchLink><br /><searchLink fieldCode="DE" term="%22Structural+analysis+%28Engineering%29%22">Structural analysis (Engineering)</searchLink><br /><searchLink fieldCode="DE" term="%22Structural+equation+modeling%22">Structural equation modeling</searchLink><br /><searchLink fieldCode="DE" term="%22Factor+analysis%22">Factor analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Comparative+studies%22">Comparative studies</searchLink>
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  Data: In several cases, laboratory-based modelling approaches such as Experimental Modal Analysis and Transfer Path Analysis run into limitations with respect to technical and economical feasibility (accessibility of the structure, excitation feasibility, measurement time, accuracy, ..) as well as model representativity. Therefore, approaches such as in-operation modal analysis (OMA) have been developed and are reaching a similar degree of acceptability as standard EMA, with all limitations regarding accuracy and observability of the structural dynamics. In the same line of reasoning fits the question of system characterization and identification using (or based on) other operation data types such as transmissibility functions and coherence functions and data analysis procedures such as principal component analysis. Using these testing and analysis paradigms instead of the classical load-FRF-response one, key analysis techniques such as transfer path and contribution analysis can be reconsidered. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Shock & Vibration is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1155/2008/632312
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      – Code: eng
        Text: English
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        PageCount: 9
        StartPage: 403
    Subjects:
      – SubjectFull: Structural engineering software
        Type: general
      – SubjectFull: Modal analysis
        Type: general
      – SubjectFull: Computer simulation
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      – SubjectFull: Structural analysis (Engineering)
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      – SubjectFull: Structural equation modeling
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      – SubjectFull: Factor analysis
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      – SubjectFull: Comparative studies
        Type: general
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      – TitleFull: Modal and path contribution models from in-operation data: Review and new approaches.
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            NameFull: Peeters, P.
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            NameFull: Janssens, K.
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            NameFull: Vecchio, A.
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              M: 04
              Text: 2008
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              Y: 2008
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              Value: 10709622
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            – TitleFull: Shock & Vibration
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