Article (Scientific journals)
Micromechanical model for sintering and damage in viscoelastic porous ice and snow. Part I: Model and calibration
KABORE, Brice Wendlassida; PETERS, Bernhard
2019In International Journal of Solids and Structures
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Abstract :
[en] Ice and snow are usually classified as a viscoelastic or viscoplastic materials 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 rates, porous ice and snow exhibit brittle behavior, but experience high viscous and plastic flow at temperatures close to the melting point and low rates. At the macroscopic level, nonlinearity is not necessarily attributed to permanent changes in the material or yielding but mainly to micro cracks, intergranular sliding, porosity collapse and crack propagation. In this paper, this complex behavior is described with a full microstructure-based model. Classical rheological models and beam theory are used to describe aspects of creep and fracture of granular ice and snow.
Disciplines :
Materials science & 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
External co-authors :
no
Language :
English
Title :
Micromechanical model for sintering and damage in viscoelastic porous ice and snow. Part I: Model and calibration
Publication date :
10 August 2019
Journal title :
International Journal of Solids and Structures
ISSN :
0020-7683
eISSN :
1879-2146
Publisher :
Elsevier, Oxford, United Kingdom
Peer reviewed :
Peer Reviewed verified by ORBi
Focus Area :
Computational Sciences
FnR Project :
FNR10377358 - Development Of A Microstructure Based Discrete Element Snow Model For Engineering Applications (Snowdem), 2015 (15/10/2016-14/10/2019) - Bernhard Peters
Funders :
FNR - Fonds National de la Recherche [LU]
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since 04 September 2019

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