Dynamic propagation of a macrocrack interacting with parallel small cracks

Bozo Vazic; Hanlin Wang; Cagan Diyaroglu; Selda Oterkus; Erkan Oterkus; Bozo Vazic; Hanlin Wang; Cagan Diyaroglu; Selda Oterkus; Erkan Oterkus

doi:10.3934/matersci.2017.1.118

AIMS Materials Science

2017, Volume 4, Issue 1: 118-136. doi: 10.3934/matersci.2017.1.118

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Research article Special Issues

Dynamic propagation of a macrocrack interacting with parallel small cracks

Department of Naval Architecture, Ocean and Marine Engineering, University of Strathclyde, Glasgow, United Kingdom

Received: 03 October 2016 Accepted: 29 December 2016 Published: 10 January 2017

In this study, the effect of small cracks on the dynamic propagation of a macrocrack is investigated by using a new continuum mechanics formulation, peridynamics. Various combinations of small cracks with different number, location and density are considered. Depending on the location, density and number of small cracks, the propagation speed of macrocrack differs. Some combinations of small cracks slows down the propagation of a macrocrack by 34%. Presented results show that this analysis can be useful for the design of new microstructurally toughened materials.
- macrocrack,
- small crack,
- dynamic propagation,
- peridynamics,
- numerical
Citation: Bozo Vazic, Hanlin Wang, Cagan Diyaroglu, Selda Oterkus, Erkan Oterkus. Dynamic propagation of a macrocrack interacting with parallel small cracks[J]. AIMS Materials Science, 2017, 4(1): 118-136. doi: 10.3934/matersci.2017.1.118

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Abstract

In this study, the effect of small cracks on the dynamic propagation of a macrocrack is investigated by using a new continuum mechanics formulation, peridynamics. Various combinations of small cracks with different number, location and density are considered. Depending on the location, density and number of small cracks, the propagation speed of macrocrack differs. Some combinations of small cracks slows down the propagation of a macrocrack by 34%. Presented results show that this analysis can be useful for the design of new microstructurally toughened materials.

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