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Nonlinear behavior of circular plates with work hardeningTests were performed on two simply supported plates of aluminum alloy 2024-0, under a central concentrated load, with peak deflections up to 2.6 times the thickness. The load was provided by a small-diameter hard-steel rod. The plates had diameter-to-thickness ratios (D/h) of 20 and 41. Measurements were made of load, deflections and strains; membrane and bending strains were calculated from the test data. The test data are presented in comparison with theoretical predictions generated by the finite-element-computer code PLANS, which includes material and geometric nonlinearities. The theoretical prediction was excellent for deflections, and generally good for strains, when the central force was represented by a line load around the loading rod's contact circle.
Document ID
19780062560
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Winter, R.
(Grumman Aerospace Corp. Bethpage, N.Y., United States)
Levine, H. S.
(Weidlinger Associates Menlo Park, Calif., United States)
Date Acquired
August 9, 2013
Publication Date
August 1, 1978
Publication Information
Publication: Experimental Mechanics
Volume: 18
Subject Category
Structural Mechanics
Accession Number
78A46469
Distribution Limits
Public
Copyright
Other

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