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Nonlinear behavior of shells of revolution under cyclic loadingA large deflection elastic-plastic analysis is presented, applicable to orthotropic axisymmetric plates and shells of revolution subjected to monotonic and cyclic loading conditions. The analysis is based on the finite-element method. It employs a new higher order, fully compatible, doubly curved orthotropic shell-of-revolution element using cubic Hermitian expansions for both meridional and normal displacements. Both perfectly plastic and strain hardening behavior are considered. Strain hardening is incorporated through use of the Prager-Ziegler kinematic hardening theory, which predicts an ideal Bauschinger effect. Numerous sample problems involving monotonic and cyclic loading conditions are analyzed. The monotonic results are compared with other theoretical solutions.
Document ID
19720016269
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Levine, H. S. (Grumman Aerospace Corp. Bethpage, NY, United States)
Armen, H., Jr. (Grumman Aerospace Corp. Bethpage, NY, United States)
Winter, R. (Grumman Aerospace Corp. Bethpage, NY, United States)
Pifko, A. (Grumman Aerospace Corp. Bethpage, NY, United States)
Date Acquired
August 6, 2013
Publication Date
April 1, 1972
Subject Category
Structural Mechanics
Report/Patent Number
RE-426J
NASA-CR-126389
Meeting Information
Meeting: Natl. Symp. on Computerized Structural Analysis and Design
Location: Washington, DC
Country: United States
Start Date: March 27, 1972
End Date: March 29, 1972
Accession Number
72N23919
Funding Number(s)
CONTRACT_GRANT: NAS1-10087
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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