Structural Engineering and Mechanics

  • 제24권4호
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  • Pages.493-508
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  • 2006
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Mode localization and frequency loci veering in a disordered coupled beam system

  • Lu, Z.R. (School of Engineering, Sun Yat-sen University) ;
  • Liu, J.K. (School of Engineering, Sun Yat-sen University) ;
  • Huang, M. (School of Engineering, Sun Yat-sen University)
  • 투고 : 2006.03.06
  • 심사 : 2006.06.19
  • 발행 : 2006.11.10
⟨ 이전 논문 다음 논문 ⟩

초록

Vibration mode localization and frequency loci veering in disordered coupled beam system are studied in this paper using finite element analysis. Two beams coupled with transverse and rotational springs are examined. Small disorders in the physical parameters such as Young's modulus, mass density or span length of the substructure are introduced in the investigation of the mode localization and frequency loci veering phenomena. The effect of disorder in the elastic support on the mode localization phenomenon is also discussed. It is found that an asymmetric disorder in the weakly coupled system will lead to the occurrence of mode localization and frequency loci phenomena.

키워드

참고문헌

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피인용 문헌

  1. Vibration Analysis of a Coupled Beam System Carrying Any Number of Sprung Masses vol.15, pp.2, 2012, https://doi.org/10.1260/1369-4332.15.2.217
  2. Analyze on a Coupled Beam Vibration System by FEM (II): Case Study vol.933, pp.1662-8985, 2014, https://doi.org/10.4028/www.scientific.net/AMR.933.285
  3. On mode localization of a weakly coupled beam system with spring-mass attachments vol.42, pp.1, 2006, https://doi.org/10.12989/sem.2012.42.1.013