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Discusses applications of failures and evaluation techniques to a variety of industries. * Presents a unified approach using two key elements of structural design.
The objective of this paper was to analyze the crack-linkup behavior in riveted lap-splice joint panels with small multiple-site damage (MSD) cracks at several adjacent rivet holes. Analyses are based on the STAGS (STructural Analysis of General Shells) code with the critical crack-tip-opening angle (CTOA) fracture criterion. To account for high constraint around a crack front, the "plane strain core" option in STAGS was used. The importance of modelling rivet flexibility with fastener elements that accurately model load transfer across the joint is discussed. Fastener holes are not modeled but rivet connectivity is accounted for by attaching rivets to the sheet on one side of the cracks tha...
A further 13 papers from a November 1999 symposium in Kansas City, Missouri cover fracture mechanics and structural integrity, damage evolution and measurement, and techniques to measure strain and displacement. The topics include sensing crack nucleation and growth in hard alpha defects embedded in