21205 動的加振を受ける有孔円筒殻の強度特性(材料力学(2),一般講演,学術講演)

概要

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This research is noticing circular holes, which are always applied to reducing weight and connect channel in cylindrical shell structures. It is for reason that we think that through to deliberate effect of holes, which fall off a few strength characteristics, cause the vibration characteristic of thin cylindrical shell, we apply holes effectively in to reduce weight and can determine particular place which is practical when we arrange reinforcement. In this research, natural frequency of thin cylindrical shell, mode arising from vibration and displacement at holes circuit were examined by FEM and experiment. As a result, in occasion of thin cylindrical shell with circular holes and this condition, at the vibration characteristic, only to check displacement at holes circuit more improvement than to reinforce the whole of structure.
一般社団法人日本機械学会の論文
2008-03-13