Two classes of problems are considered: (i) dynamic analysis of rapidly propagating cracks in finite bodies, of arbitrary shape, wherein linear-elastic material behavior and two-dimensional conditions prevail; (ii) analysis of fatigue growth of cracks near cold-worked fastener holes in two-dimensional bodies involving elastic-plastic materials. In both instances, simple numerical methodologies to imbed analytical asymptotic solutions for singularities in strains/stresses near the propagating crack-tip, and to account for the spatial movement of these singularities along with the crack-tip, are presented. Numerical Solutions of several problems, in both the cases, are presented; and results for appropriate fracture-characterizing parameters for these problems are presented and discussed.
|Number of pages||30|
|Journal||American Society of Mechanical Engineers, Applied Mechanics Division, AMD|
|State||Published - 1979|
|Event||Nonlinear and Dyn Fract Mech, Symp presented at the Winter Annu Meet of ASME - New York, NY, USA|
Duration: Dec 2 1979 → Dec 7 1979