Journal
INTERNATIONAL JOURNAL OF DAMAGE MECHANICS
Volume 20, Issue 8, Pages 1116-1129Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/1056789510395554
Keywords
microcracks; micromechanics; viscoelasticity; damage
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This article aims at the determination of the effective behavior of a microcracked linear viscoelastic solid. Due to the nonlinearity of the strain concentration in the cracks, the latter cannot be derived directly from a combination of the correspondence theorem with the Eshelby-based homogenization schemes. The proposed alternative approach is based on the linear relationship between the macroscopic strain and the local displacement discontinuity across the crack. An approximation of the effective behavior in the framework of a Burger model is derived analytically.
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