SINGULAR CHARACTER OF AXISYMMETRICAL STRESSES AROUND WEDGE-SHAPED NOTCHES IN CYLINDRICAL BODIES UNDER TORSION - UNIT STEP LOAD

Investigated is the singular character of the stresses as affected by the wedge angle of a sharp notch around cylindrical bodies under torsi onal loadings. Eigenfunction expansion is used in conjunction with an enriched finite element and the property of a path independent integra l to determine the amplitude of the dynamic stress field near a circum ferential notch and crack, respectively. A unit step torsional load is applied in both cases. Numerical results are obtained and compared wi th those in the literature.