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An Alternative Method Of Specifying Shock Test CriteriaShock testing of aerospace vehicle hardware has presented many challenges over the years due to the high magnitude and short duration of the specifications. Recently, component structural failures have occurred during testing that have not manifested themselves on over 200 Space Shuttle solid rocket booster (SRB) flights (two boosters per flight). It is suspected that the method of specifying shock test criteria may be leaving important information out of the test process. The traditional test criteria specification, the shock response spectrum, can be duplicated by any number of waveforms that may not resemble the actual flight test recorded time history. One method of overcoming this limitation is described herein, which may prove useful for qualifying hardware for the upcoming Constellation Program.
Document ID
20080025729
Document Type
Technical Memorandum (TM)
Authors
Ferebee, R. C. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Clayton, J. (bd Systems, Inc. Huntsville, AL, United States)
Alldredge, D. (bd Systems, Inc. Huntsville, AL, United States)
Irvine, T. (Vibration Data, LLC Chandler, AZ, United States)
Date Acquired
August 24, 2013
Publication Date
April 1, 2008
Subject Category
Structural Mechanics
Report/Patent Number
M-1226
NASA/TM-2008-215253
Funding Number(s)
CONTRACT_GRANT: NAS8-02045
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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