Tension of a Strip with Symmetric 60°V-Shaped or Partially-Circular Notches

This paper deals with the stress concentration analysis of 60°V-shaped or a partially-circular double edge notches in an infinite strip under remote tension. 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 11% 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