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Minimum-weight designs for hat-stiffened composite panels under uniaxial compressionOptimum hat-stiffened compression panel designs are determined by a structural synthesis technique. The effects of simplifying assumptions made in the buckling analysis for the optimization program are investigated by a linked plate element program. Optimization results for hat-stiffened graphite-epoxy panels show a 50-percent weight savings over optimized aluminum panels. Composite panels are shown to possess a variety of proportions at nearly constant weight.
Document ID
19750002425
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Technical Note (TN)
Authors
Agarwal, B. (NASA Langley Research Center Hampton, VA, United States)
Davis, R. C. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 3, 2013
Publication Date
November 1, 1974
Subject Category
Structural Mechanics
Report/Patent Number
NASA-TN-D-7779
L-9739
Report Number: NASA-TN-D-7779
Report Number: L-9739
Accession Number
75N10497
Funding Number(s)
PROJECT: RTOP 501-22-11-01
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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