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Structural durability of stiffened composite shellsThe durability of a stiffened composite cylindrical shell panel is investigated under several loading conditions. An integrated computer code is utilized for the simulation of load induced structural degradation. Damage initiation, growth, and accumulation up to the stage of propagation to fracture are included in the computational simulation. Results indicate significant differences in the degradation paths for different loading cases. The effects of combined loading on structural durability and ultimate structural strength of a stiffened shell are assessed.
Document ID
19920020099
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Minnetyan, Levon (Clarkson Univ. Potsdam, NY., United States)
Rivers, James M. (Clarkson Univ. Potsdam, NY., United States)
Murthy, Pappu L. N. (NASA Lewis Research Center Cleveland, OH, United States)
Chamis, Christos C. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 6, 2013
Publication Date
January 1, 1992
Subject Category
Structural Mechanics
Report/Patent Number
NASA-CR-190588
NAS 1.26:190588
Report Number: NASA-CR-190588
Report Number: NAS 1.26:190588
Meeting Information
Meeting: Structures, Structural Dynamics and Materials Conference
Location: Dallas, TX
Country: United States
Start Date: April 13, 1992
End Date: April 15, 1992
Sponsors: ASME, ASCE, ASC, AIAA, AHS
Accession Number
92N29342
Funding Number(s)
CONTRACT_GRANT: NAG3-1101
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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