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Volume 30 Issue 3
Jun.  2009
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LU Li, YANG Yi-ren. Equivalent Linearization Method for Limit Cycle Flutter Analysis of Plate-Type Structure in Axial Flow[J]. Nuclear Power Engineering, 2009, 30(3): 17-21.
Citation: LU Li, YANG Yi-ren. Equivalent Linearization Method for Limit Cycle Flutter Analysis of Plate-Type Structure in Axial Flow[J]. Nuclear Power Engineering, 2009, 30(3): 17-21.

Equivalent Linearization Method for Limit Cycle Flutter Analysis of Plate-Type Structure in Axial Flow

  • Received Date: 2009-04-29
  • Rev Recd Date: 2009-05-13
  • Available Online: 2025-07-28
  • Publish Date: 2009-06-15
  • The responses and limit cycle flutter of a plate-type structure with cubic stiffness in viscous flow were studied. The continuous system was dispersed by utilizing Galerkin Method. The equivalent linearization concept was performed to predict the ranges of limit cycle flutter velocities. The coupled map of flutter amplitude-equivalent linear stiffness-critical velocity was used to analyze the stability of limit cycle flutter. The theoretical results agree well with the results of numerical integration, which indicates that the equivalent linearization concept is available to the analysis of limit cycle flutter of plate-type structure.

     

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