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Notes on elastic-plastic analysis

✍ Scribed by I.S. Tuba

Publisher
Elsevier Science
Year
1968
Tongue
English
Weight
507 KB
Volume
285
Category
Article
ISSN
0016-0032

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✦ Synopsis

ABSTnACT: A fourth-order nonlinear partial differential equation is obtained for plane stress conditions in terms of a stress function. Suggested methods of solulion include direct substitutlon and perturbation based on the elastic solution. The perfectly plastic problem is considered as a limiting ease for the Ramberg-Oegood stress-strain relation. It is pointed out that the comparability equation can be used to find the secant modulus if the perfectly plastic part is contained by a perfectly elastic region.

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