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RECENT FINITE ELEMENT STUDIES IN PLASTICITY AND FRACTURE MECHANICS

By James R. Rice, Robert M. Mcmeeking, David M. Parks and E. Paul Sorensen

Abstract

The paper reviews recent work on fundamentals of elastic-plastic finite-element analysis and its applications to the mechanics of crack opening and growth in ductile solids. The presentation begins with a precise formu~tion of incremental equilibrium equations and their finite-element forms in a marines valid for deformations of arbitrary magnitude. Special features of computational procedures are outlined for accuracy in view of the near-incompressibility of elastic-plastic response. Applications to crack mechanics include the analysis of large plastic deformations at a progressively opening crack tip, the determination of J integral values and of limitations to I characterizations of the intensity of the crack tip field, and the determination of crack tip fields in stable crack growth

Year: 2011
OAI identifier: oai:CiteSeerX.psu:10.1.1.193.4126
Provided by: CiteSeerX
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