An interesting paper was presented at the recent Aircraft Structural Integrity Conference held in Jacksonville in November 2017 by Mark Ryan of Lockheed Martin.
Fracture Mechanics and Risk Methods Used to Analyze the F-16 Wing Carry Through Bulkhead (WCTB) Upper End Pad Radius
The presentation describes a study of cracking found in a bulkhead structure. BEASY simulations were used to predict SIFs and crack shape evolution.
Models were typically created from existing F-16 ABAQUS finite element models using the BEASY Abaqus Interface.
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