Tensile fracture of a single crack in first-year sea ice

The break-up of sea ice in the Arctic and Antarctic has been studied during three field trips in the spring of 1993 at Resolute, NWT, and the fall of 2001 and 2004 on McMurdo Sound via in situ cyclic loading and fracture experiments. In this paper, the back-calculated fracture information necessary...

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Bibliographic Details
Published in:Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
Main Authors: Dempsey, J. P., Cole, D. M., Wang, Shen
Other Authors: Department of Mechanical Engineering, United States Army Engineer Research and Development Center, TerraPower LLC, Aalto-yliopisto, Aalto University
Format: Article in Journal/Newspaper
Language:English
Published: 2018
Subjects:
Antarctic
Arctic
Fracture
Stress separation curve
McMurdo Sound
Antarc*
Sea ice
Online Access:https://aaltodoc.aalto.fi/handle/123456789/34989
https://doi.org/10.1098/rsta.2017.0346
Description
Summary:The break-up of sea ice in the Arctic and Antarctic has been studied during three field trips in the spring of 1993 at Resolute, NWT, and the fall of 2001 and 2004 on McMurdo Sound via in situ cyclic loading and fracture experiments. In this paper, the back-calculated fracture information necessary to the specification of an accurate viscoelastic fictitious (cohesive) crack model is presented. In particular, the changing shape of the stress separation curve with varying conditions and loading scenarios is revealed. Peer reviewed

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