Journal of the Computational Structural Engineering Institute of Korea (한국전산구조공학회논문집)

Computational Structural Engineering Institute of Korea (한국전산구조공학회)
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Free Vibration Analysis of Curved Beams with Varying Cross-Section

단면적이 변하는 곡선보의 진동해석

  • 강기준 (호서대학교 자동차공학과) ;
  • 김영우 (호서대학교 자동차공학과)
  • Received : 2009.06.25
  • Accepted : 2009.10.14
  • Published : 2009.10.30
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Abstract

The differential quadrature method(DQM) is applied to the free in-plane vibration analysis of circular curved beams with varying cross-section neglecting transverse shearing deformation. Natural frequencies are calculated for the beams with various opening angles and end conditions. Results obtained by the DQM are compared with available results by other methods in the literature. It is found that the DQM gives good accuracy even with a small number of grid points. In addition, the corrected results are given for the beams not previously presented for this problem.

미분구적법을 이용하여 전단변형을 고려하지 않은 단면적이 변하는 곡선 보의 면내 자유진동을 해석하였다. 다양한 경계조건 및 굽힘 각에 따른 진동수를 계산하였고, 그 결과를 다른 수치해석들과 비교하였다. 미분구적법은 비교적 적은 요소를 사용하고도 정확한 해석결과를 보여주었고, 수정된 결과를 추가적으로 제시하였다.

Keywords

References

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