Tension of a Circular Solid Cylinder with Two Semicircular Grooves : Interference Effects of Stress Concentrations due to Two Notches

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This paper is concerned with the stress concentration problem of an elastic solid cylinder with two semicircular grooves under tension. The principal results are as follows: Interference effects of stress concentration due to two notches (a phenomenon leading to α2/α1 < 1.0) appear in the condition b/c< 0.5 and are larger for smaller values of b/C, where C and b are radii of the cylinder and the semicircular grooves and α1 and α2 are stress concentration factors for one and two notches, respectively. in the condition of b/c > 0.5, there are cases of α2/α1 > 1.0, as was suggested by Nisitani et al. for an infinite number of periodic notches. The interference effects of two notches are smaller than those of periodic infinite notches and larger in tension than in torsion. The method of solution used here is an application of Green's functions for axisymmetric body force problems of a solid cylinder.

Journal

  • Bulletin of JSME

    Bulletin of JSME 28 (242), 1575-1581, 1985

    The Japan Society of Mechanical Engineers

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