Search Results - "DARVE, F"
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1
A continuum model for deformable, second gradient porous media partially saturated with compressible fluids
Published in Journal of the mechanics and physics of solids (01-11-2013)“…In this paper a general set of equations of motion and duality conditions to be imposed at macroscopic surfaces of discontinuity in partially saturated,…”
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2
A discrete element modelling approach for fatigue damage growth in cemented materials
Published in International journal of plasticity (01-01-2019)“…This study proposes a modelling approach capable of capturing both the fatigue response and localisation of failure in cemented materials. This modelling…”
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3
Numerical simulation of drained triaxial test using 3D discrete element modeling
Published in Computers and geotechnics (01-01-2009)“…A discrete element modeling of granular material was carried out using a 3D spherical discrete model with a rolling resistance, in order to take into account…”
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4
The micromechanical nature of stresses in triphasic granular media with interfaces
Published in Journal of the mechanics and physics of solids (01-02-2017)“…The total stress tensor as the average stress within a triphasic granular medium is formally derived from micromechanics where internal forces associated with…”
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Journal Article -
5
Instability in Granular Materials: Experimental Evidence of Diffuse Mode of Failure for Loose Sands
Published in Journal of engineering mechanics (01-05-2010)“…The influence of three loading paths on the collapse of loose sand is analyzed with a particular attention paid to the onset of collapse and the mode of…”
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6
Unified Model for Geomaterial Solid/Fluid States and the Transition in Between
Published in Journal of engineering mechanics (01-06-2014)“…AbstractDuring mudflows, geomaterials evolve in a very specific manner, because initially they behave as solids, and then they turn to flow as viscous fluids…”
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7
Multiscale modelling of granular materials in boundary value problems accounting for mesoscale mechanisms
Published in Computers and geotechnics (01-06-2021)“…The proper solution of geotechnical boundary value problems requires robust constitutive models that can describe the mechanical behavior of geomaterials under…”
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8
Micromechanics of granular materials with capillary effects
Published in International journal of engineering science (2009)“…Based on discrete element simulations and micromechanical calculations, this paper presents studies on the shear strength properties of unsaturated granular…”
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9
Toward objective rockfall trajectory simulation using a stochastic impact model
Published in Geomorphology (Amsterdam, Netherlands) (15-09-2009)“…The accuracy of rockfall trajectory simulations depends to a large extent on the calculation of the rebound of falling boulders on different parts of a slope…”
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10
Coordinate free nonlinear incremental discrete mechanics
Published in Zeitschrift für angewandte Mathematik und Mechanik (01-10-2018)“…In this paper we extend the Kinematic Structural Stability (KISS) issues obtained in the punctual linear case to a full non linear framework. Kinematic…”
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11
Diffuse failure in geomaterials: Experiments, theory and modelling
Published in International journal for numerical and analytical methods in geomechanics (01-11-2011)“…This paper presents a synthesis of the works performed by various teams from France, Italy and Canada around the question of second‐order work criterion…”
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Journal Article -
12
On the capillary stress tensor in wet granular materials
Published in International journal for numerical and analytical methods in geomechanics (01-07-2009)“…This paper presents a micromechanical study of unsaturated granular media in the pendular regime, based on numerical experiments using the discrete element…”
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13
A discrete modeling-based constitutive relation for infilled rock joints
Published in International journal of rock mechanics and mining sciences (Oxford, England : 1997) (01-04-2011)“…An incrementally nonlinear constitutive relation is formulated to describe the mechanical behaviour of infilled rock joints. This relation is calibrated using…”
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14
Micro-mechanical investigation of material instability in granular assemblies
Published in International journal of solids and structures (01-06-2006)“…It is now well established that for non-associated materials such as geomaterials, there exists a wide domain strictly within the plastic limit where different…”
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15
Material instability in granular assemblies from fundamentally different models
Published in International journal for numerical and analytical methods in geomechanics (01-03-2007)“…Three fundamentally different models: a phenomenological constitutive relation, a micro‐mechanical model and direct numerical simulations by Distinct Element…”
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Journal Article Conference Proceeding -
16
Failure in geomaterials: continuous and discrete analyses
Published in Computer methods in applied mechanics and engineering (01-01-2004)“…Various modes of failure in geomaterials have been observed in practice. Different criteria have been proposed to analyse these failures. In particular, Hill's…”
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17
On the stability of nonconservative continuous systems under kinematic constraints
Published in Zeitschrift für angewandte Mathematik und Mechanik (01-09-2017)“…In this paper we deal with recent results on divergence kinematic structural stability (ki.s.s.) resulting from discrete nonconservative finite systems. We…”
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18
Modelling of slope failure by a material instability mechanism
Published in Computers and geotechnics (01-01-2002)“…Slope stability analysis, based on the continuum mechanics assumption and finite element analysis, generally uses a plasticity criterion to describe the…”
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19
Additional constraints may soften a non-conservative structural system: Buckling and vibration analysis
Published in International journal of solids and structures (15-01-2013)“…The effect of additional kinematic constraints on eigenfrequencies of non conservative systems presenting a non symmetric stiffness matrix is investigated with…”
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Journal Article -
20
Large deformation FEMLIP drained analysis of a vertical cut
Published in Acta geotechnica (01-04-2013)“…Understanding and modelling the whole instability mechanisms of a slope are fundamental issues from a scientific and technical viewpoint. To date, small strain…”
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