期刊
MECHANICS RESEARCH COMMUNICATIONS
卷 58, 期 -, 页码 82-87出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.mechrescom.2013.12.008
关键词
Dynamic fracture; Cohesive zone; Multiscale; Micro-cracking; Rate-sensitivity
类别
We study mode-I dynamic crack propagation using the cohesive-zone methodology. Subscale processes are represented via a form of rate-sensitivity, which translates to the macroscopic level the effects of micro-cracking. Namely, rate-sensitivity is included in the model in a way that it is directly related to the speed of the crack front that is typically measured during experiments. A representative numerical example is discussed that demonstrates the effectiveness of the proposed approach. (C) 2014 Elsevier Ltd. All rights reserved.
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