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2001•The Proceedings of Conference of Kanto BranchOpen access

421 VIBRATION CHARACTERISTICS OF STIFFENED CYLINDRICAL SHELL UNDER INTERNAL PRESSURE

Yoshiaki Yasui, Hiroyuki MORIYAMA, Yasuhito Nakakuki

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Abstract

This paper reports the vibration characteristic of stiffened cylindrical shell under internal pressure. The cylindrical shell under internal pressure is used for much structure as well as the stiffened cylinder shell. It is difficult that vibration characteristic is examined only at the natural frequency of the structure. It is important to grasp the vibration characteristic of stiffened cylindrical shell under internal pressure. Then, the vibration characteristic of stiffened cylinder shell under internal pressure was examined by finite element method and experiment. As the result, the increase in the natural frequency by the internal pressure effect and coupled vibration by stiffening effect was confirmed.

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What this paper is about

This paper reports the vibration characteristic of stiffened cylindrical shell under internal pressure. The cylindrical shell under internal pressure is used for much structure as well as the stiffened cylinder shell. It is difficult that vibration characteristic is examined only at the natural frequency of the structure. It is important to grasp the vibration characteristic of stiffened cylindrical shell under internal pressure. Then, the vibration characteristic of stiffened cylinder shell under internal pressure was examined by finite element method and experiment. As the result, the increase in the natural frequency by the internal pressure effect and coupled vibration by stiffening effect was confirmed.

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Available abstract

This paper reports the vibration characteristic of stiffened cylindrical shell under internal pressure. The cylindrical shell under internal pressure is used for much structure as well as the stiffened cylinder shell. It is difficult that vibration characteristic is examined only at the natural frequency of the structure. It is important to grasp the vibration characteristic of stiffened cylindrical shell under internal pressure. Then, the vibration characteristic of stiffened cylinder shell under internal pressure was examined by finite element method and experiment. As the result, the increase in the natural frequency by the internal pressure effect and coupled vibration by stiffening effect was confirmed.

Key concepts: Shell (structure), Vibration, Internal pressure, Stiffening, Cylinder, Structural engineering, Finite element method, Materials science

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