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Flexural vibration property of periodic pipe system conveying fluid based on Timoshenko beam equation

Shen Hui-Jie Wen Ji-Hong Yu Dian-Long Wen Xi-Sen

Flexural vibration property of periodic pipe system conveying fluid based on Timoshenko beam equation

Shen Hui-Jie, Wen Ji-Hong, Yu Dian-Long, Wen Xi-Sen
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  • Abstract views:  3554
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  • Received Date:  17 December 2008
  • Accepted Date:  02 March 2009
  • Published Online:  20 December 2009

Flexural vibration property of periodic pipe system conveying fluid based on Timoshenko beam equation

  • 1. 国防科学技术大学机电工程与自动化学院,长沙 410073;国防科学技术大学光子/声子晶体教育部重点实验室,长沙 410073

Abstract: Fluid and structure interaction induced vibration in pipe system conveying fluid occurs in many fields, and the flexural vibration control is very important. The idea of phononic crystals is introduced into the design of pipe system conveying fluid. Basing on Timoshenko beam equation, and using the transfer matrix method, we study the band gap properties of the vibration and its transmission properties. The effect of the material damping ratio and spring support stiffness on the band gap is analyzed. The existence of band gaps in the periodic pipe system conveying fluid lends new insight into vibration control of pipes.

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