소음진동 (Journal of KSNVE)

한국소음진동공학회 (The Korean Society for Noise and Vibration Engineering)
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2층 탄성기초위에 놓인 불균일 테이퍼진 보의 진동과 안정성

Vibration and Stability of Non-uniform Tapered Beams resting on a Two-Layered Elastic Foundation

  • 류봉조 (대전산업대학교 기계설계공학과) ;
  • 임경빈 (동양공업전문대학 기계과) ;
  • 이종원 (충남대학교 대학원) ;
  • 한재섭 (대전산업대학교 대학원)
  • 발행 : 1999.08.01
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초록

The paper describes the vibration and the stability of nonuniform tapered beams resting on two-layered elastic foundations. The two-layered elastic foundations are constructed by discributed Winkler springs and shearing layers as ofen used in oil models. Governing equations are derived from energy experssions using Hamilton's Principle. The associated eigenvalue problems are solved to obtain the free vibration frequencies or the buckling loads. Numerical results for the vibration and the stability of beams under an axial force are presented and compared with other available solutions. Finally, vibration frequencies and critical forces are investigated for various thickness ratios, shear foundation parameters, Winkler foundation parameters, and boundary conditions of tapered beams.

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참고문헌

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