A Method for Obtaining Stress Intensity Factor by F. E. M. and Its Application to Dynamic Problem
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概要
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A new method for obtaining the stress intensity factor is proposed. The constant strain element is used to approximate the integrated value of the stress with singularity in the neighborhood of the crack tip. Many numerical examples are investigated by the present method, and the results are compared with those obtained by other previous methods. It is shown that usual division of elements which are similar to those used in ordinary two-dimensional stress concentration problems can yield sufficiently accurate values of the stress intensity factors. Further, the applicability of the present method to dynamic problems with or withoutcrack propagation is carefully examined. The results have also turned out to be fairly good.
- 一般社団法人日本機械学会の論文
著者
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Takagi Yutaka
Daido Institute Of Technology
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Nishimura Tohru
Meijo University
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Nishimura Tohru
Nagoya University
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Wada Hitoshi
Daido Institute Of Technology
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