A new crack tip element for the phantom-node method with arbitrary cohesive cracks

Type of content
Journal Article
Thesis discipline
Degree name
Publisher
University of Canterbury. Mechanical Engineering.
Journal Title
Journal ISSN
Volume Title
Language
Date
2008
Authors
Rabczuk, T.
Zi, G.
Gerstenberger, A.
Wall, W.A.
Abstract

We have developed a new crack tip element for the phantom-node method. In this method, a crack tip can be placed inside an element. Therefore, cracks can propagate almost independent of the finite element mesh. We developed two different formulations for the three-node triangular element and fournode quadrilateral element, respectively. Although this method is well suited for the one-point quadrature scheme, it can be used with other general quadrature schemes. We provide some numerical examples for some static and dynamic problems.

Description
Citation
Rabczuk T., Zi G., Gerstenberger A., Wall W.A. (2008) A new crack tip element for the phantom-node method with arbitrary cohesive cracks. International Journal for Numerical Methods in, 75(5), pp. 577-599.
Keywords
cracks, Hansbo and Hansbo's approach, phantom node method, dynamic fracture
Ngā upoko tukutuku/Māori subject headings
ANZSRC fields of research
Rights