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An analytically designed subcomponent test to reproduce the failure of a composite wing box beamA Stiffener Runout Test Specimen (SRTS) has been analyzed and tested to verify the failure scenario for a large composite wingbox beam subcomponent. The SRTS was taken from an undamaged region of the subcomponent that was similar to the failure region of the boxbeam. Extensive analyses were performed to determine the proper load introduction and constraint conditions required for the SRTS test to simulate the response of the subcomponent. The present paper describes the analyses that led to the design of test fixtures that ensured that the response of the SRTS duplicated the response of the box beam. The results of the SRTS test are described and compared with the analytical predictions.
Document ID
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Davis, D. D., Jr.
(NASA Langley Research Center Hampton, VA, United States)
Farley, Gary L.
(U.S. Army, Vehicle Structures Directorate, Hampton VA, United States)
Ambur, Damodar R.
(NASA Langley Research Center Hampton, VA, United States)
Davis, Randall C.
(NASA Langley Research Center Hampton, VA, United States)
Shuart, Mark J.
(NASA Langley Research Center Hampton, VA, United States)
Wang, John T.
(NASA Langley Research Center Hampton, VA, United States)
Lotts, Christine G.
(Analytical Services and Materials, Inc. Hampton, VA, United States)
Date Acquired
August 16, 2013
Publication Date
January 1, 1993
Publication Information
Publication: In: AIAA(ASME)ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 34th and AIAA/ASME Adaptive Structures Forum, La Jolla, CA, Apr. 19-22, 1993, Technical Papers. Pt. 1 (A93-33876 1
Publisher: American Institute of Aeronautics and Astronautics
Subject Category
Aircraft Design, Testing And Performance
Report/Patent Number
AIAA PAPER 93-1344
Accession Number
Distribution Limits

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