Structural Engineering and Mechanics

  • 제43권1호
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  • Pages.15-30
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  • 2012
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Forced vibration analysis of damped beam structures with composite cross-section using Timoshenko beam element

  • Won, S.G. (School of Mechanical Engineering, Pusan National University) ;
  • Bae, S.H. (School of Mechanical Engineering, Pusan National University) ;
  • Jeong, W.B. (School of Mechanical Engineering, Pusan National University) ;
  • Cho, J.R. (School of Mechanical Engineering, Pusan National University) ;
  • Bae, S.R. (Agency for Defense Development)
  • 투고 : 2011.03.08
  • 심사 : 2012.05.17
  • 발행 : 2012.07.10
⟨ 이전 논문 다음 논문 ⟩

초록

A damped Timoshenko beam element is introduced for the DOF-efficient forced vibration analysis of beam-like structures coated with viscoelastic damping layers. The rotary inertia as well as the shear deformation is considered, and the damping effect of viscoelastic layers is modeled as an imaginary loss factor in the complex shear modulus. A complex composite cross-section of structures is replaced with a homogeneous one by means of the transformed section approach in order to construct an equivalent single-layer finite element model capable of employing the standard $C^{0}$-continuity basis functions. The numerical reliability and the DOF-efficiency are explored through the comparative numerical experiments.

키워드

과제정보

연구 과제 주관 기관 : Korea Institute of Energy Evaluation and Planning (KETEP)

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피인용 문헌

  1. Experimental and theoretical research on mechanical behavior of innovative composite beams vol.14, pp.4, 2013, https://doi.org/10.12989/scs.2013.14.4.313
  2. Time-duration extended Hilbert transform superposition for the reliable time domain analysis of five-layered damped sandwich beams vol.90, 2014, https://doi.org/10.1016/j.finel.2014.06.007
  3. Dynamic analysis and model test on steel-concrete composite beams under moving loads vol.18, pp.3, 2015, https://doi.org/10.12989/scs.2015.18.3.565
  4. A discrete convolutional Hilbert transform with the consistent imaginary initial conditions for the time-domain analysis of five-layered viscoelastic sandwich beam vol.268, 2014, https://doi.org/10.1016/j.cma.2013.09.010
  5. Modeling for fixed-end moments of I-sections with straight haunches under concentrated load vol.23, pp.5, 2012, https://doi.org/10.12989/scs.2017.23.5.597
  6. Transient response of vibration systems with viscous-hysteretic mixed damping using Hilbert transform and effective eigenvalues vol.20, pp.3, 2012, https://doi.org/10.12989/sss.2017.20.3.263