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The use of curvilinear fiber format to improve buckling resistance of plates with central circular holesThe potential gain in buckling resistance is explored by using the curvilinear format with a plate containing a centrally located circular hole and subjected to a uniaxial compressive load. The buckling loads for a uniform stress loading and simple support boundary conditions were examined. The method of analysis is outlined for the buckling improvement study. Several designs that represent an improvement over a baseline quasi-isotropic design (a design that is quite good for buckling resistance) are discussed. The tensile load of these designs is examined. A recommended design is presented that not only shows an improved buckling capacity, but also shows improved tensile performance. Follow-on activities are also discussed.
Document ID
19920023277
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Lee, H. H.
(Virginia Polytechnic Inst. and State Univ. Blacksburg, VA, United States)
Hyer, M. W.
(Virginia Polytechnic Inst. and State Univ. Blacksburg, VA, United States)
Date Acquired
September 6, 2013
Publication Date
September 1, 1990
Publication Information
Publication: NASA. Langley Research Center, Eighth DOD(NASA)FAA Conference on Fibrous Composites in Structural Design, Part 1
Subject Category
Composite Materials
Accession Number
92N32521
Funding Number(s)
CONTRACT_GRANT: NAG1-665
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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