期刊
ADVANCES IN ENGINEERING SOFTWARE
卷 74, 期 -, 页码 27-39出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.advengsoft.2014.04.002
关键词
Interface cohesive elements; Fracture mechanics; Cohesive zone models; Finite element method; Open source code; Intrinsic cohesive laws
类别
资金
- Framework Programme 7 Initial Training Network Funding Integrating Numerical Simulation and Geometric Design Technology [289361]
An open source program to generate zero-thickness cohesive interface elements in existing finite element discretizations is presented. This contribution fills the gap in the literature that, to the best of the author's knowledge, there is no such program exists. The program is useful in numerical modeling of material/structure failure using cohesive interface elements. The program is able to generate one/two dimensional, linear/quadratic cohesive elements (i) at all inter-element boundaries, (ii) at material interfaces and (iii) at grain boundaries in polycrystalline materials. Algorithms and utilization of the program is discussed. Several two dimensional and three dimensional fracture mechanics problems are given including debonding process of material interfaces, multiple delamination of composite structures, crack propagation in polycrystalline structures. (C) 2014 Elsevier Ltd. All rights reserved.
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