Analysis of the Dynamic Stress Concentration Factor by the Two-Dimensional Boundary Element Method
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概要
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Two-dimensional impulsive stresses are analyzed, by the boundary element method with the Laplace transformation and the numerical inversion using the fast Fourier transformation. The condition of the stability between the length of the element and the time step is given by the analysis. The validity of the condition is confirmed by the numerical results. Under the consideration of this condition, the dynamic stress concentration factors of the circular hole, the elliptic hole and the elliptic notch in a strip are obtained from surface forces and tengential derivatives of surface displacements. It is shown that the dynamic stress concentrations are spproximately ten percent larger than the static ones.
- 一般社団法人日本機械学会の論文
- 1990-01-15
著者
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Adachi Tadaharu
Department Of Mechanical Engineering And Science Tokyo Institute Of Technology
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Matsumoto Hiroyuki
Department Of Biochemistry And Molecular Biology University Of Oklahoma Health Sciences Center
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Kakuhama Yoshitaka
Mitsubishi Heavy Industry
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FUKUZAWA Keiichi
Canon
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Matsumoto Hiroyuki
Department Of Mechanical Engineering Tokyo Institute Of Technology
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Matsumoto Hiroyuki
Department Of Biochemistry And Molecular Biology The University Of Oklahoma Health Sciences Center
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