Nonlocal Integral Formulations of Plasticity and Damage: Survey of Progress
Publication: Journal of Engineering Mechanics
Volume 128, Issue 11
Abstract
Modeling of the evolution of distributed damage such as microcracking, void formation, and softening frictional slip necessitates strain-softening constitutive models. The nonlocal continuum concept has emerged as an effective means for regularizing the boundary value problems with strain softening, capturing the size effects and avoiding spurious localization that gives rise to pathological mesh sensitivity in numerical computations. A great variety of nonlocal models have appeared during the last two decades. This paper reviews the progress in the nonlocal models of integral type, and discusses their physical justifications, advantages, and numerical applications.
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Published In
Journal of Engineering Mechanics
Volume 128 • Issue 11 • November 2002
Pages: 1119 - 1149
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Copyright © 2002 American Society of Civil Engineers.
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Received: Jun 21, 2002
Accepted: Jun 24, 2002
Published online: Oct 15, 2002
Published in print: Nov 2002
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