Creep Analysis of Axisymmetrical Shells Subjected to Arbitrary Loads
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概要
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In this paper the analytical formulation on the creep of axisymmetric shells subjected to arbitrary unsymmetrical loads is developed for two hardening laws : the time hardening law and the strain hardening law. The fundamental equations derived for incremental values with respect to time, after the expansion of all pertinent variables into Fourier series in the circumferential direction, are numerically solved by a finite difference method, and the solutions at any time are obtained by integration of the incremental values. In conclusion the computer programs are developed which can be used to predict the creep deformations of axisymmetrical shells under arbitrary loads. As a numerical example the creep deformation of a cylindrical shell of importance in practical use is treated.
- 一般社団法人日本機械学会の論文
著者
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Takezono Shigeo
Faculty Of Engineering Gifu University
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Takezono Shigeo
Faculty Of Engineering Kumamoto University.
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WATANABE Yoshinori
Mitsubishi Heavy Industries, Ltd.
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OGASAWARA Fumitaka
Taiheiyo Kogyo Co. Ltd.
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Watanabe Yoshinori
Mitsubishi Heavy Industries Ltd.
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