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Numerical Investigation of the Multiple Dynamic Crack Branching Phenomena

T. Nishioka1, S. Tchouikov1, T. Fujimoto1

Structural Strength Simulation Engineering Laboratory, Faculty of Maritime Sciences, Kobe University, Higashinada-Ku, Kobe, 6580022, Japan.

Computers, Materials & Continua 2006, 3(3), 147-154.


In this study, phenomena of multiple branching of dynamically propagating crack are investigated numerically. The complicated paths of cracks propagating in a material are simulated by moving finite element method based on Delaunay automatic triangulation (MFEM BODAT), which was extended for such problems. For evaluation of fracture parameters for propagating and branching cracks switching method of the path independent dynamic J integral was used. Using these techniques the generation phase simulation of multiple dynamic crack branching was performed. Various dynamic fracture parameters, which are almost impossible to obtain by experimental technique alone, were accurately evaluated.


Cite This Article

. T.Nishioka, . S.Tchouikov and . T.Fujimoto, "Numerical investigation of the multiple dynamic crack branching phenomena," Computers, Materials & Continua, vol. 3, no.3, pp. 147–154, 2006.

This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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