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유동유체에 의한 불연속 외팔 파이프의 고유치 분기와 플러터 모드

Eigenvalue Branches and Flutter Modes of a Discontinuous Cantilevered Pipe Conveying Fluid

  • 발행 : 2004.10.01

초록

This paper deals with the dynamic stability and vibration of a discontinuous cantilevered Pipe conveying fluid. The present model consists of two segments with different cross-sections. Governing equations of motion are derived by extended Hamilton's principle, and the numerical scheme using finite element method is applied to obtain the discretized equations. The critical flow velocities and stability maps of the pipe are obtained by changing ratios of second area moment of inertia and mass ratios. Finally, the vibrational modes associated with flutter are shown graphically.

키워드

참고문헌

  1. Journal of Applied Mechanics v.17 Bending Vibrations of a Pipeline Containng Flowing Fluid Ashley, H.;Haviland, G.
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  5. Proceedings of the Royal Society, Series A v.293 Unstable Oscillation of Tubular Cantilevers Conveying Fluid (II. Experiment) Gregory, R. W.;Paidoussis, M. P. https://doi.org/10.1098/rspa.1966.0188
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  7. Journal of Sound and Vibration v.100 Effect of a Spring Support on the Stability of Pipes Conveying Fluid Sugiyama, Y.;Tanaka, Y.;Kishi, T.;Kawagoe, H. https://doi.org/10.1016/0022-460X(85)90419-5
  8. Bulletin of JSME v.29 Studies on Stability of Pipes Conveying Fluid(The Effect of a Lumped Mass and Damping) Sugiyama, Y.;Kumagai, Y.;Kishi, T.;Kawagoe, H. https://doi.org/10.1299/jsme1958.29.929
  9. 11th International Conference on SMIRT, Paper J10/1 Stability of Cantilevered Pipes Conveying Fluid and Having Intermediate Spring Suport Sugiyama, Y.;Katayama, T.;Akesson, B.;Sallstrom, J. H.
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