A Displacement Equivalence-Based Damage Model for Brittle Materials—Part I: Theory

[+] Author and Article Information
C. K. Soh, Y. Liu, Y. Yang, Y. Dong

School of Civil & Environmental Engineering, Nanyang Technological University, Singapore, 639798

J. Appl. Mech 70(5), 681-687 (Oct 10, 2003) (7 pages) doi:10.1115/1.1599914 History: Received December 21, 2000; Revised December 01, 2002; Online October 10, 2003
Copyright © 2003 by ASME
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Definition of effective damage tensor
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Damaged and virtual undamaged configurations
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Assumption of displacement equivalence
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Increase of normal strain caused by opening of cracks
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Stress release zones under uniaxial compression
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Comparison of the damage deactivation criterion given by Eqs. (4) and (5)




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