急に均等外圧を加えられる薄内円筒かくの変形

概要

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Given a thin cylindrical shell of finite length, it is initially under the action of a slight pressure (q_o) on its wall face, and making slight initial deformation (for ex., deformation due to its own weight) After the instant t=0,the cylindrical shell is subjected to a uniform external pressure q (whose absolute value is large in comparison with q_o). Then the wall of the shell begins a vibratory motion. The Author has made theoretical calculation of the value of the ratio of amplitude of vibration to amount of initial deformation of the shell. This ratio is thought to represent a scale of the effect of suddenly applying external pressure q to a cylindrical shell. In order to facilitate actual estimate, practical approximate formulae, charts, and tables of numerical values of coefficients involved are given.
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