Quarter Elliptical Cracks Emanating From Holes in Plates
- 1 April 1978
- journal article
- Published by ASME International in Journal of Engineering Materials and Technology
- Vol. 100 (2) , 144-149
- https://doi.org/10.1115/1.3443463
Abstract
The finite element-alternating method, a linear elastic solution technique, is refined and applied to problems of quarter-elliptical cracks in irregular bodies. The method involves the iterative superposition of a finite element solution for stresses in an unflawed body and an analytic solution for stresses in an infinite solid containing a flat elliptical crack. Mode-one stress intensity factors are presented along the periphery of quarter-elliptical cracks emanating from open fastener holes in flat plates. Results are shown for a variety of crack geometries and two hole-diameter to plate-thickness ratios. Comparisons are made with experimental results of other authors.Keywords
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