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Linking Models and Experiments, Volume 2 pp 393–398Cite as

Receptance Based Normalization of Operational Mode Shapes

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Abstract

Normalization of modes obtained from operational modal analysis has received significant attention since the seminal paper on the use of mass perturbations by Parloo et.al., in 2002. The present paper presents a formulation where the square of the scaling constants are obtained from an over-determined linear system of equations. The formulation is exact for arbitrary changes in the modal model when the modal basis is complete, as well as for all conditions where existing uncoupled solutions are exact, independently of truncation. The approach is designated as the Receptance Based Normalization (RBN) scheme because the coefficients in the system of equations are obtained from evaluations of the modal series expression for the Receptance matrix.

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References

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Authors and Affiliations

  1. Civil and Environmental Engineering Department, Center for Digital Signal Processing, Northeastern University, Boston, MA, 02192, USA

    D. Bernal

Authors
  1. D. Bernal
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Editors and Affiliations

  1. Society for Experimental Mechanics, School Street 7, Bethel, 06801-1405, Connecticut, USA

    Tom Proulx

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© 2011 Springer Science+Business Media, LLC

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Bernal, D. (2011). Receptance Based Normalization of Operational Mode Shapes. In: Proulx, T. (eds) Linking Models and Experiments, Volume 2. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-9305-2_29

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  • DOI: https://doi.org/10.1007/978-1-4419-9305-2_29

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  • Publisher Name: Springer, New York, NY

  • Print ISBN: 978-1-4419-9304-5

  • Online ISBN: 978-1-4419-9305-2

  • eBook Packages: EngineeringEngineering (R0)

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