Journal
COMPOSITE STRUCTURES
Volume 61, Issue 1-2, Pages 39-50Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0263-8223(03)00030-8
Keywords
composite materials; delamination and fracture; interface models; dynamic fracture; rate-dependency
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In this paper we discuss analytical and numerical results concerning rate-dependent dynamic crack processes in homogeneous and heterogeneous materials. Rate-dependency is introduced in the model through a newly formulated interface law. Three significant examples are presented: (i) the mode-I dynamic decohesion between two linear elastic half-planes under a tensile stress pulse; (ii) the uniaxial spall test and (iii) the debonding of a thin layer from a rigid substrate. The results show that rate-dependent cohesive laws can play an important role in dynamic crack processes. (C) 2003 Elsevier Science Ltd. All rights reserved.
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