Granular materials
The Consequence of Particle Crushing in Engineering Properties of Granular Materials
... earth dams’ embankment, and rock fill dams, etc. Changes in the original engineering properties could put the stability of such structure in jeopardy and make it unsafe during its life of operation. Therefore, under- ...
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On the stress–force–fabric relationship for granular materials
... Using the numerical experimental technique developed in Li et al. (2013), the elementary behavior of two dimensional granular materials subjected to various loading paths have been simulated and reported ...
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Towards a Mathematical Model for Elastic Wave Propagation in Granular Materials
... Granular materials consist of a collection of discrete macroscopic solid particles interacting via repulsive con- tact ...of granular particles, the way by which the forces are transmitted within the ...
8
State Variables in Granular Materials: an Investigation of Volume and Stress Fluctuations.
... Granular materials are a collection of discrete, athermal ...these materials relax into a mechanically stable jammed state and cannot move into another configuration since thermal fluctuations are ...
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Sound propagation and force chains in granular materials
... – Granular materials are inherently heterogeneous, leading to challenges in formulating accurate models of sound ...photoelastic granular material in which the internal stress pattern (in the form of ...
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Shear-driven size segregation of granular materials: Modeling and experiment
... Granular materials segregate by size under shear, and the ability to quantitatively predict the time required to achieve complete segregation is a key test of our understanding of the segregation ...a ...
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Quantifying exchange coupling in segregated granular materials
... nano/micro-scale granular materials are also highly applicable as permanent magnet materials ...these granular materials, and the effect these interactions have on magnetic reversal, ...
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Acoustical properties of double porosity granular materials
... of granular materials are of great importance in many areas of acoustics and noise ...lar materials, ...of materials with a single pore size or narrow pore/grain size dis- tribution, ...
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Local origins of volume fraction fluctuations in dense granular materials
... In conclusion, the decreasing relationship σ 2 (φ) with respect to increasing φ reveals the key role played by the constrained availability of angular space in the vicinity of a single particle. This constraint holds ...
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3D MULTI-SCALE SEGMENTATION OF GRANULAR MATERIALS
... Microtomographic images involve specific problems of image segmentation, due to some artefacts generated during the reconstruction. In the case of granular materials, we have seen that many problems can ...
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Vertical stresses within granular materials in silos
... store granular materials, such as grain, sugar, flour and pharmaceutical ...the granular material stored in the silos, and validation of simulations through model tests in the ...the granular ...
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Influence of network topology on sound propagation in granular materials
... of granular materials [7] using network analysis can provide new insights into the underlying ...because granular materials can be represented as spatially embedded networks [8] composed of ...
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Influence of fine fraction on breakage of binary granular materials
... of granular materials, in particular for geotechnical structures such as pile driving and embankment dams (Coop, 1990; McDowell & Bolton, 1998; Coop et ...
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A nonlinear elliptic problem related to flowing granular materials
... Abstract. Similarity solutions for the flow of granular materials are constructed. Unlike pre- vious work, the present approach can be applied to non-axisymmetric containers. The steady state equations are ...
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Stochastic generation of virtual air pores in granular materials
... Abstract A computational method is described for the generation of virtual air pores with randomized fea- tures in granular materials. The method is based on the creation of a stack of two dimensional ...
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Fluid Dynamics of the Evolution of Supernova Remnants and Granular Materials.
... the granular fluid part, the flow of dense granular materials at low inertial numbers cannot be fully characterized by local rheological models; several nonlocal rheologies have recently been ...
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The role of force networks in granular materials
... The Edwards ensemble and its later variations, includ- ing the force-moment ensemble, have gained significant attention as a promising approach to writing an equation of state for static granular materials ...
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Photoelastic force measurements in granular materials
... of granular materials, as was first done by Wakabayashi using epoxy tracer particles in 1950s, 7 followed by Dantu (using ordered/disordered arrays of glass cylinders 8 ) and later by Drescher and de ...
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Computational domain discretization in numerical analysis of flow within granular materials
... of granular materials is a very challenging task in terms of discretization due to the existence of narrow spaces between spherical granules contacting tangentially in a single ...
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A mesoscopic model for compression of granular materials
... In the future this type of model may provide predictions for the strength of granular materials under high compression. The model may also predict, when taking into account fluid-structure interactions, the ...
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