Algorithms for Elasto‐Plastic‐Creep Postbuckling
Publication: Journal of Engineering Mechanics
Volume 110, Issue 6
Abstract
This paper considers the development of an improved constrained time stepping scheme which can efficiently and stably handle the pre‐post‐buckling behavior of general structure subject to high temperature environments. Due to the generality of the scheme, the combined influence of elastic‐plastic behavior can be handled in addition to time dependent creep effects. This includes structural problems exhibiting indefinite tangent properties. To illustrate the capability of the procedure, several benchmark problems employing finite element analyses are presented. These demonstrate the numerical efficiency and stability of the scheme. Additionally, the potential influence of complex creep histories on the buckling characteristics is considered.
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Information & Authors
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Published In
Journal of Engineering Mechanics
Volume 110 • Issue 6 • June 1984
Pages: 911 - 929
Copyright
Copyright © 1984 ASCE.
History
Published online: Jun 1, 1984
Published in print: Jun 1984
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