両縁に 60°V 形または円弧形切欠きを有する帯板の面内曲げ

概要

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This paper deals with the stress concentration analysis of 60°V-shaped or partially-circular double edge notches in an infinite strip under remote in-plane bending. The stress field induced by a point force in a semi-infinite plate is used to solve these problems. The present results for semi-circular notch are in close agreement with other reports. The results calculated on the 60°V-shaped notches show that the Neuber formula gives an underestimated stress concentration factor in about 9% for a wide range of notch depth. However, in case of blunt notches, the Neuber solution of deep hyperbolic notches still gives a sufficient accuracy in engineering use. In addition, the stress concentration factors of 60°V-shaped notches are also represented by diagrams for wide use.
一般社団法人日本機械学会の論文
1985-05-25