Structural Engineering and Mechanics

  • 제62권1호
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  • Pages.33-42
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  • 2017
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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

Nonlinear torsional analysis of 3D composite beams using the extended St. Venant solution

  • Yoon, Kyungho (Department of Mechanical and Aerospace Engineering, Seoul National University) ;
  • Kim, Do-Nyun (Department of Mechanical and Aerospace Engineering, Seoul National University) ;
  • Lee, Phill-Seung (Department of Mechanical Engineering, Korean Advanced Institute for Science and Technology)
  • 투고 : 2016.04.15
  • 심사 : 2016.12.09
  • 발행 : 2017.04.10
⟨ 이전 논문 다음 논문 ⟩

초록

We present in this paper a finite element formulation for nonlinear torsional analysis of 3D beams with arbitrary composite cross-sections. Since the proposed formulation employs a continuum mechanics based beam element with kinematics enriched by the extended St. Venant solutions, it can precisely account higher order warping effect and its 3D couplings. We propose a numerical procedure to calculate the extended St. Venant equation and the twisting center of an arbitrary composite cross-section simultaneously. The accuracy and efficiency of the proposed formulation are thoroughly investigated through representative numerical examples.

키워드

과제정보

연구 과제 주관 기관 : National Research Foundation of Korea (NRF)

참고문헌

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  1. On the Identification of Sectional Deformation Modes of Thin-Walled Structures with Doubly Symmetric Cross-Sections Based on the Shell-Like Deformation vol.10, pp.12, 2018, https://doi.org/10.3390/sym10120759
  2. Torsion of circular open cross-section with corrugated inner and outer surface vol.73, pp.1, 2017, https://doi.org/10.12989/sem.2020.73.1.075
  3. Ballasting plan optimization for operation of a 2D floating dry dock vol.74, pp.4, 2020, https://doi.org/10.12989/sem.2020.74.4.521