Abstract
The phenomenon of double periodicity of the mechanical properties of a thin ice field in a rigid pool is studied. A modal analysis of the experimental data was carried out, that makes it possible to identify two main periods in the spatial distribution of the reaction of ice to cross-cutting penetration. A new mathematical model for evolution of the properties of an ice field is developed. It is based on the ability of the viscoelastic mechanical system to emit perturbations with a certain spatial length and to accumulate them over time, which theoretically explains the effects observed in the experiment.
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Funding
This study was supported by the Russian Foundation for Basic Research, project no. 20-01-00649.
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Epifanov, V.P., Lychev, S.A. Periodicity of the Mechanical Properties of Ice Resulting from the Formation of an Ice Field under Compression. Dokl. Phys. 67, 5–10 (2022). https://doi.org/10.1134/S1028335821120041
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DOI: https://doi.org/10.1134/S1028335821120041