1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.

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TOWARDS A CANONICAL ELASTOPLASTIC DAMAGE

MODEL

TAHER, SEF; BALUCH, MH; ALGADHIB, AH

PERGAMON-ELSEVIER SCIENCE LTD, ENGINEERING FRACTURE MECHANICS;

pp: 151-166; Vol: 48

King Fahd University of Petroleum & Minerals

http://www.kfupm.edu.sa

Summary

Fundamental aspects of elastoplastic damage are outlined. Time-independent isotropic

damage is considered in order to study material degradation. By splitting the total

strain tensor into its components of elastic damage and plastic damage and using

recoverable energy equivalence, three distinct modes of behavior are particularized.

For each mode of behavior, a suitable damage variable is culled. An in-depth analysis

of this formulation reveals a certain incongruity in the assumptions postulated in some

of the previously proposed models. The suggested generalized concepts are supported

by experimental evidence.

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For pre-prints please write to: abstracts@kfupm.edu.sa

Copyright: King Fahd University of Petroleum & Minerals; http://www.kfupm.edu.sa