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Fatigue-Crack-Growth Computer ProgramFatigue Crack Growth (NASA/FLAGRO) computer program developed as aid in predicting growth of preexisting flaws and cracks in structural components of space systems. Is enhanced version of FLAGRO4 and incorporates state-of-the-art improvements in both fracture mechanics and computer technology. Provides fracture-mechanics analyst with computerized method of evaluating "safe-crack-growth-life" capabilities of structural components. Also used to evaluate tolerance to damage of structure of given design. Designed modular to facilitate revisions and operation on minicomputers. Written in FORTRAN 77.
Document ID
19910000164
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Forman, Royce G.
(NASA Lyndon B. Johnson Space Center, Houston, TX.)
Shivakumar, V.
(Lockheed Engineering and Sciences Co.)
Newman, James C., Jr.
(Langley Research Center)
Date Acquired
August 14, 2013
Publication Date
April 1, 1991
Publication Information
Publication: NASA Tech Briefs
Volume: 15
Issue: 4
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
MSC-21669
Accession Number
91B10164
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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