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Micromechanical model for sintering and damage in viscoelastic porous ice and snow. Part I: Theory
Kabore, Brice Wendlassida; Peters, Bernhard
2018
 

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Keywords :
Microstructure; viscoelasticity; fracture
Abstract :
[en] Ice and snow have sometime been classified as a viscoelastic or viscoplastic mate- rial according to temperature, strain rate, pressure and time scale. Throughout experimental studies presented in the literature, it has been observed that at very low temperatures or high strain rate, porous ice and snow exhibit brittle behavior, but experience high viscous and plastic flow at temperatures closed to the melting point and low rates. At the macroscopic level nonlinearity is not necessarily attributed to material level permanent changes or yielding but mainly to micro cracks, porosity collapse and crack propagation. This paper attempts to address this complex behavior with a full microstructure based model.
Disciplines :
Mechanical engineering
Author, co-author :
Kabore, Brice Wendlassida ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit
Peters, Bernhard ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit
Language :
English
Title :
Micromechanical model for sintering and damage in viscoelastic porous ice and snow. Part I: Theory
Publication date :
13 August 2018
Focus Area :
Computational Sciences
Available on ORBilu :
since 15 March 2019

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