한국소음진동공학회:학술대회논문집 (Proceedings of the Korean Society for Noise and Vibration Engineering Conference)

한국소음진동공학회 (The Korean Society for Noise and Vibration Engineering)
권호 표지

평판의 면내 자유진동 해석

In-Plane Free Vibration Analysis of Plates

  • 최명수 (전남대학교 해양경찰학과) ;
  • 여동준 (전남대학교 해양기술학부) ;
  • 변정환 (전남대학교 해양기술학부) ;
  • 장덕종 (전남대학교 해양경찰학과) ;
  • 문덕홍 (부경대학교 기계공학부)
  • 발행 : 2007.05.10
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초록

To analyze accurately the free vibration of a structure by using the finite element method (FEM), we model the structure as a numerical model with many degrees-of-freedom. However the FEM needs much computation time and storage in this case. The authors developed the finite element-transfer stiffness coefficient method (FE-TSCM) for overcoming the drawback of the FEM. In this paper, the authors apply the FE-TSCM to the in-plane free vibration analysis of plates with various shapes. Two numerical examples, a rectangular plate and a triangular plate, are used to compare the results of the FE-TSCM and the FEM. Through the numerical calculation, we confirm that the FE-TSCM can be applied to the plates with various shapes and is effective to in-plane free vibration analysis of plates.

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