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Topics in Dynamics of Civil Structures, Volume 4 pp 317–326Cite as

Operational Modal Analysis Based on Multivariable Transmissibility Functions: Revisited

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Abstract

Transmissibility functions are output-only functions that have one major advantage. When well-defined these functions become independent from the spectral content of the acting forces. A method for Operational Modal Analysis (OMA) based upon these type of functions would therefore not be affected by any colored or harmonic forces exciting the structure. This is a major advantage compared to existing techniques in the field of OMA. Transmissibility based Operational Modal Analysis (TOMA) was first introduced a few years ago and this paper will summarize the basics behind this new field of study. Secondly the recently developed p-TOMA will be presented and illustrated by means of a numerical experiment.

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Notes

  1. 1.

    It should be noted that for N s  > 1, single-reference TOMA techniques are still applicable however they are no longer input-spectrum independent.

References

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Acknowledgements

The financial support of the Institute for the Promotion of Innovation by Science and Technology in Flanders (IWT) and the Research Council (OZR) of Vrije Universiteit Brussel (VUB) are gratefully acknowledged.

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Authors and Affiliations

  1. Vrije Universiteit Brussel, Pleinlaan 2, 1050, Brussels, Belgium

    Wout Weijtjens, Gert de Sitter, Christof Devriendt & Patrick Guillaume

Authors
  1. Wout Weijtjens
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  2. Gert de Sitter
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  3. Christof Devriendt
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  4. Patrick Guillaume
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Corresponding author

Correspondence to Wout Weijtjens .

Editor information

Editors and Affiliations

  1. , Engineering Department, University of Central Florida, Central Florida Blvd. 4000, Orlando, 32816-2450, Florida, USA

    Fikret Necati Catbas

  2. , Department of Civil and Envt. Eng., Lehigh University, ATLSS Drive, Imbt Labs 117, Bethlehem, 18015, Pennsylvania, USA

    Shamim Pakzad

  3. , Department of Civil and Structural Eng., University of Sheffield, Mappin Street, Sheffield, S1 3JD, United Kingdom

    Vitomir Racic

  4. , Department of Civil and Structural Eng., University of Sheffield, Mappin Street, Sheffield, S1 3JD, United Kingdom

    Aleksandar Pavic

  5. , Department of Civil and Structural Eng., University of Sheffield, Mappin Street, Sheffield, S1 3JD, United Kingdom

    Paul Reynolds

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© 2013 The Society for Experimental Mechanics, Inc.

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Weijtjens, W., de Sitter, G., Devriendt, C., Guillaume, P. (2013). Operational Modal Analysis Based on Multivariable Transmissibility Functions: Revisited. In: Catbas, F., Pakzad, S., Racic, V., Pavic, A., Reynolds, P. (eds) Topics in Dynamics of Civil Structures, Volume 4. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-6555-3_35

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  • DOI: https://doi.org/10.1007/978-1-4614-6555-3_35

  • Published:

  • Publisher Name: Springer, New York, NY

  • Print ISBN: 978-1-4614-6554-6

  • Online ISBN: 978-1-4614-6555-3

  • eBook Packages: EngineeringEngineering (R0)

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