The Cryosphere
The Cryosphere
TC
Articles | Volume 15, issue 12
Articles | Volume 15, issue 12
https://doi.org/10.5194/tc-15-5623-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-15-5623-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 12
Research article
 | 
10 Dec 2021
Research article |  | 10 Dec 2021

A generalized stress correction scheme for the Maxwell elasto-brittle rheology: impact on the fracture angles and deformations

Mathieu Plante and L. Bruno Tremblay

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Short summary
We propose a generalized form for the damage parameterization such that super-critical stresses can return to the yield with different final sub-critical stress states. In uniaxial compression simulations, the generalization improves the orientation of sea ice fractures and reduces the growth of numerical errors. Shear and convergence deformations however remain predominant along the fractures, contrary to observations, and this calls for modification of the post-fracture viscosity formulation.
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