[PDF] Top 20 Discrete numerical analysis of failure modes in granular materials
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Discrete numerical analysis of failure modes in granular materials
... Discrete Numerical Analysis of Failure Modes in Granular Materials Abstract The question of failure for geomaterials, and more generally for ... Voir le document complet
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Experimental and numerical analysis of unfolding failure of L-shaped CFRP specimens
... generated in the curvature. This failure is traditionally called unfolding ...results of four point bending tests carried out at ONERA are used to validate the ...consideration in this study. ... Voir le document complet
14
Failure in rate-independent granular materials as a bifurcation toward a dynamic regime
... 3.5. Numerical inspection using a discrete element method In this section, inspection is carried out from numerical experiments based on the discrete element method DEM ( Cundall and ... Voir le document complet
20
Phenomenological interpretation of internal erosion in granular soils from a discrete fluid-solid numerical model
... erosion in granular soils may involve different steps: the detachment of solid particles from the granular skeleton under the action of water seepage; the transport of the ... Voir le document complet
9
Experimental and numerical investigation of diffuse instability in granular materials using a microstructural model under various loading paths
... KEYWORDS: failure; liquefaction; numerical modelling INTRODUCTION Instability of granular materials can be categorised into two main aspects: material instability (also known as ... Voir le document complet
15
Experimental and numerical analysis of unfolding failure of L-shaped CFRP specimens
... generated in the curvature. This failure is traditionally called unfolding ...results of four point bending tests carried out at ONERA are used to validate the ...consideration in this study. ... Voir le document complet
29
Numerical study of crushable granular materials
... movement of CSL has also been discussed by Muir Wood and Maeda (2008) using discrete element analysis which agrees with Biarez and Hicher ...position of CSL and the gradation based on ... Voir le document complet
8
Grading-Dependent Behavior of Granular Materials: From Discrete to Continuous Modeling
... Dependency of Idealized Granular Materials Principle of Numerical Simulations The DEM numerical analysis was performed using Particle Flow Code in 3 Dimensions ... Voir le document complet
16
Multiscale characterisation of diffuse granular failure
... simulations in two and three dimensions, and experiments from two-dimensional photoelastic disc assemblies, corroborate Oda and co-worker’s hypothesis that shear bands are a manifestation of the ... Voir le document complet
42
Recent development in kinetic theory of granular materials: analysis and numerical methods
... complexity of the inelastic Boltzmann collision operator Q I (f, f) (a five- fold nonlinear integral operator), numerical simulation of granular gases is challenging and mostly done at the ... Voir le document complet
34
Numerical analysis and discrete approximation of a dispersive shallow water model
... understanding of geophysical flows behavior is essential in order to make accurate predictions about natural events such as tsunamis, wave interactions or sustainable energy ...researchers in fluid ... Voir le document complet
191
Numerical analysis of a two-phase flow discrete fracture matrix model
... ) in (1b)), also on δ t S a ...compactness in time and space of all the saturations in the ...the discrete spatial and temporal derivatives, together with the com- pactness property ... Voir le document complet
31
Acoustics and frictional sliding in granular materials
... control of parameters and detailed examination of ...reproduced in simulations, one could then determine their origin, for in simulations, one has access to all the physical ...some ... Voir le document complet
15
Stress transmission in cemented bidisperse granular materials
... coefficient of variation (CV) of the void volume shown in ...values of S m up to a threshold of about 0.4, the CV of single-void volume ...reduction of the very small ... Voir le document complet
15
Pressure dependence of the electrical transport in granular materials
... sufficient in order to test a new and fresh contact between the beads. In [19], the authors showed that this technique ensures reproducible ...behaviour of the electrical resistance as a func- tion ... Voir le document complet
21
Evolution of particle size distributions in crushable granular materials
... CVF in the intermediate range is nearly lin- ear, implying thus a power-law distribution n(d) ∝ d α with α ' ...space in two dimensions (Voivret, Radja¨ı, Delenne, & Youssoufi ...distribution of ... Voir le document complet
7
Continuum Modeling of Secondary Rheology in Dense Granular Materials
... problem of secondary rheology, by using finite-element calculations in the commercial package A BAQUS /S TANDARD [26] ...analogue of the experiments of Reddy, Forterre, and Pouliquen [9] , ... Voir le document complet
6
3D Multi-Scale Segmentation Of Granular Materials
... Example of 3D mesh on a segmented image of a granular ...problems of image segmentation, due to some artefacts generated during the ...reconstruction. In the case of ... Voir le document complet
7
Cohesive granular materials composed of nonconvex particles
... investigated in cohesionless granular materials by considering quasistatic rheology (shear strength, dilatancy), packing properties (texture, pore size distribution), and force ...elongation ... Voir le document complet
19
Failure analysis of composite bolted joints by an experimental and numerical approach
... • Improving the FE modeling: Secondary bending effect Non linear behavior of • Out of plane effect modifying the composite material: stress field distribution • Identify the role of each[r] ... Voir le document complet
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