Structural Engineering and Mechanics

  • 제8권2호
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  • Pages.193-205
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  • 1999
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Effects of elastic foundation on the dynamic stability of cylindrical shells

  • Ng, T.Y. (Institute of High Performance Computing, National University of Singapore) ;
  • Lam, K.Y. (Institute of High Performance Computing, National University of Singapore)
  • 발행 : 1999.08.25
⟨ 이전 논문 다음 논문 ⟩

초록

A formulation for the dynamic stability analysis of cylindrical shells resting on elastic foundations is presented. In this previously not studied problem, a normal-mode expansion of the partial differential equations of motion, which includes the effects of the foundation as well as a harmonic axial loading, yields a system of Mathieu-Hill equations the stability of which is analyzed using Bolotin's method. The present study examines the effects of the elastic foundation on the instability regions of the cylindrical shell for the transverse, longitudinal and circumferential modes.

키워드

참고문헌

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