Modeling the mechanics and rheology of porous and granular media: an elastoplastic continuum approach
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Snow is a complex and fascinating material which can sustain stresses like a solid or flow like a fluid depending upon the load it is subjected to. The transition from solid to fluid state can lead to catastrophic snow slab avalanches. Modeling large defor ...
The Alliance of Laboratories in Europe for Education, Research and Technology2020
The free energy plays a fundamental role in theories of phase transformations and microstructure evolution. It encodes the thermodynamic coupling between different fields, such as mechanics and chemistry, within continuum descriptions of non-equilibrium ma ...
Elsevier2020
In this work, a level-set based finite element method was used to numerically evaluate the mechanical behavior in a small deformation range of semi-solid materials with different microstructure configurations. For this purpose, a finite element model of th ...
Institute of Physics2017
In this work, we present the development of a 3D lattice-type model at microscale based upon the Voronoi-cell representation of material microstructure. This model can capture the coupling between mechanic and electric fields with non-linear constitutive b ...
TECHNO-PRESS2021
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The present invention and its embodiments propose a simple, unique, and scalable method for producing extremely long, highly uniform, and well-ordered micro- and nanoscale metallic glasses via thermal drawing the method comprising at least the steps of pre ...
2020
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Hysteresis is a major feature of the solid-liquid transition in granular materials. This property, by allowing metastable states, can potentially yield catastrophic phenomena such as earthquakes or aerial landslides. The origin of hysteresis in granular fl ...
AMER PHYSICAL SOC2019
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Snowslab avalanches start with the failure of a weak snow layer buried below a cohesive snow slab. After failure,the very porous character of the weak layer leads toits volumetric collapse and thus closing of crack facesdue to the weight of the overlaying ...
2019
The importance of configurational, vibrational, and electronic excitations in crystalline solids of technological interest makes a rigorous treatment of thermal excitations an essential ingredient in first-principles models of materials behavior. This cont ...
Annual Reviews2018
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We investigate the effect of shear dilatancy of a permeable fault on the diffusion of pore pressure and the occurrence of dynamic slip. Starting from the results of Garagash & Germanovich (2012), we include the effect of both inelastic changes of material ...
2017
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Caprock formations are intended to prevent upwards carbon dioxide (CO2) migration to the surface during CO2 geological storage. Caprock interaction with CO2, as well as its potential consequences, requires to be predicted, and thus, need to be studied expe ...
