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Calculating Structural Vibration and Stress from Turbulent Flow Induced Forces

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Flinovia - Flow Induced Noise and Vibration Issues and Aspects

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Abstract

This paper summarizes computational procedures for assessing structural vibration and stress induced by turbulent flow excitation. The overall process is described, including commonly used empirical models for wall pressure fluctuations from turbulent boundary layers, impinging jets, and separated flows. A tutorial on how to assess potential structural damage caused by excessive tensile/compressive loading is given, including how to account for combined mean and cyclic stresses. An example of a beam driven by a turbulent shear layer emanating from a nozzle is given, showing calculations made in the time and frequency domains.

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Acknowledgments

The authors acknowledge Michael Lurie and Dr. Phil Morris for the notional wall pressure CFD LES calculations used to demonstrate the structural vibration and stress calculation procedures. The authors also gratefully acknowledge Pratt and Whitney for their sponsorship of some of this work under the Penn State/Pratt and Whitney Center of Excellence.

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Authors and Affiliations

  1. Applied Research Lab, Penn State University, PO Box 30, State College, PA, 16804, USA

    Stephen A. Hambric, Matthew Shaw, Robert L. Campbell & Stephen C. Conlon

Authors
  1. Stephen A. Hambric
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  2. Matthew Shaw
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  3. Robert L. Campbell
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  4. Stephen C. Conlon
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Corresponding author

Correspondence to Stephen A. Hambric .

Editor information

Editors and Affiliations

  1. INSEAN - Marine Technology Research Institute, National Research Council of Italy, Rome, Italy

    Elena Ciappi

  2. Department of Industrial Engineering Aerospace Unit, Univ degli Studi di Napoli "Federico II", Napoli, Italy

    Sergio De Rosa

  3. Department of Industrial Engineering Aerospace Unit, Università di Napoli "Federico II", Napoli, Italy

    Francesco Franco

  4. Laboratoire Vibrations Acoustique Mechanical Engineering Department, Nat Inst of Applied Sciences of Lyon, Villeurbanne cedex, France

    Jean-Louis Guyader

  5. Penn State Ctr for Acoustics and Vibr, The Pennsylvania State University, State College, Pennsylvania, USA

    Stephen A. Hambric

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© 2015 Springer International Publishing Switzerland

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Hambric, S.A., Shaw, M., Campbell, R.L., Conlon, S.C. (2015). Calculating Structural Vibration and Stress from Turbulent Flow Induced Forces. In: Ciappi, E., De Rosa, S., Franco, F., Guyader, JL., Hambric, S. (eds) Flinovia - Flow Induced Noise and Vibration Issues and Aspects. Springer, Cham. https://doi.org/10.1007/978-3-319-09713-8_16

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  • DOI: https://doi.org/10.1007/978-3-319-09713-8_16

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-09712-1

  • Online ISBN: 978-3-319-09713-8

  • eBook Packages: EngineeringEngineering (R0)

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