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On the Growth, the Arrest and the Restart of a Crack during a Dynamic Brittle Fracture Experiment

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Abstract:

Our purpose is to propose a methodology for assessing dynamic crack propagation laws under mixed-mode loading. Dynamic brittle fracture experiments are performed on polymethylmethacrylate (PMMA) in which mode combination changes and crack arrest phases occur. Then, these experiments are numerically reproduced by using the eXtended Finite Element Method (X-FEM) in order to validate the algorithms and the criteria assumed.

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Info:

Periodical:

Key Engineering Materials (Volumes 385-387)

Pages:

245-248

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.385-387.245

Citation:

Cite this paper

Online since:

July 2008

Authors:

David Grégoire, Hubert Maigre, Alain Combescure

Keywords:

Crack Arrest, Crack Localization, Crack Restart, Dynamic Brittle Fracture, Experiment, Kolsky Bars (SHPB), Mixed Mode Loading, Poly(methyl methacrylate) (PMMA), X-FEM

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