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

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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