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Fluid-Structure-Sound Interactions and Control pp 357–362Cite as

Global Stability Analysis of Blasius Boundary-Layer Flow over a Compliant Panel Accounting for Axial and Vertical Displacements

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Part of the book series: Lecture Notes in Mechanical Engineering ((LNME))

Abstract

A state-space method is deployed in order to investigate the global stability of the Blasius base flow over a finite compliant panel embedded between rigid upstream and downstream wall sections accounting both for axial and vertical structural displacements. It is shown that global temporal instability can occur through the resonance between the Travelling-Wave Flutter (TWF) or Tollmien-Schlichting Wave (TSW) instability and the structural modes due to the vertical motion of the compliant section, while the axial structural modes remain stable in time. Local spatial stability of the least stable global temporal TSW mode reveals that a downstream amplified axial structural mode coexists with the downstream amplified TSW mode and it is stabilized by increasing the panel stiffness and destabilized as the Reynolds number decreases.

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References

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Acknowledgments

This work was supported through the Australian Research Council grant DP1096376

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Authors and Affiliations

  1. Fluid Dynamics Research Group, Department of Mechanical Engineering, Curtin University of Technology, GPO Box U1987, Perth, WA, 6845, Australia

    K. Tsigklifis & A. D. Lucey

Authors
  1. K. Tsigklifis
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  2. A. D. Lucey
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Corresponding author

Correspondence to K. Tsigklifis .

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Editors and Affiliations

  1. Shenzhen Graduate School, Harbin Institute of Technology, Shenzhen, China

    Yu Zhou

  2. Curtin University, Bentley, Australia

    A.D. Lucey

  3. The Hong Kong Polytechnic University, Hong Kong, China

    Yang Liu

  4. The University of Hong Kong, Hong Kong, China

    Lixi Huang

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© 2016 Springer-Verlag Berlin Heidelberg

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Tsigklifis, K., Lucey, A.D. (2016). Global Stability Analysis of Blasius Boundary-Layer Flow over a Compliant Panel Accounting for Axial and Vertical Displacements. In: Zhou, Y., Lucey, A., Liu, Y., Huang, L. (eds) Fluid-Structure-Sound Interactions and Control. Lecture Notes in Mechanical Engineering. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-48868-3_57

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  • DOI: https://doi.org/10.1007/978-3-662-48868-3_57

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-662-48866-9

  • Online ISBN: 978-3-662-48868-3

  • eBook Packages: EngineeringEngineering (R0)

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