Conceptual extension of stress intensity to an angled defect 1 : an edge notch with arbitrary included angle

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概要

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• Complex variable methods are applied to the plane elastic problems of semi-infinite sheet with a sharp edge notch of an arbitrary included angle 2β. The concept of the stress intensity in a crack problem is extended to the externally cut V-shaped notch. The difficulty of the problem would lie in the unavoidable introduction of a mapping function with singularities of branch-point type and related complex potentials, which is shown to be resolved by a power series development with expansion coefficients, which depend on the boundary-describing parameter, being smoothly continued from the traction-free boundary region to the local zone characterized by a stress singularity. General solutions for the stresses and the stresses local to the notch tip are given. In the light of the foregoing arguments the implications of the Westergaard solution for a crack are discussed.

• 山口大学の論文

著者

• Kaminishi Ken

  Department Of Mechanical Engineering Yamaguchi University

• IINO Makio

  Department of Mechanical Engineering, Yamaguchi University

• Iino Makio

  Department Of Mechanical Engineering Yamaguchi University

• Kaminishi Ken

  Department of Mechanical Engineering

関連論文

• Finite element program EPITOK-II
• Conceptual extension of stress intensity to an angled defect 1 : an edge notch with arbitrary included angle
• Stress singularities at tip of a cutting tool in brittle materials

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