This paper examines two individual aircraft tracking methods for tracking crack growth in fighter aircraft utilizing counting accelerometer data. Individual aircraft tracking programs were developed for the F-4 and A-7D aircraft in conjunction with damage tolerance assessment programs conducted for these aircraft. Both the F-4 and A-7D tracking methods were based on existing counting accelerometer data acquisition systems. The F-4 tracking method utilizes an equivalent S-N curve system to calculate a damage index at a monitoring location. The A-7D tracking method utilizes regression analysis to calculate equivalent baseline hours expended at a monitoring location. Both methods then relate damage at the monitoring location to damage at other critical structural locations.
Individual Aircraft Tracking Methods for Fighter Aircraft Utilizing Counting Accelerometer Data
1978
23 pages
Report
No indication
English
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