• No results found

Other Models for Describing Granular Materials

Robotic manipulation for granular materials

Robotic manipulation for granular materials

... Figure 3-32: Simulation results with a = 1.2G vo.d. 3 .7 S u g g e stio n for D e a lin g w ith T w o S p e c ia l C a ses W hen th e tool moves along th e contour, two phenom ena will probably h ap pen due to th e a b ...

108

The Avatar Paradigm in Granular Materials

The Avatar Paradigm in Granular Materials

... in granular materials and has applications ranging from defense to medical procedures, such as the breaking of kidney ...predict other loading conditions, which is an issue that continuum ...

101

Photoelastic force measurements in granular materials

Photoelastic force measurements in granular materials

... A. Pre-processor The first step is to obtain the locations and radii of all particles in the packing, from an image such as Fig. 10(b). From experience, we find that this needs to be done with an accuracy of .0.05d in ...

14

The role of force networks in granular materials

The role of force networks in granular materials

... Second, the choice of resolution parameter γ sets whether the optimization process probes small vs. large scales. For a single network (e.g Fig. 1), Eq. 5 provides the optimization. In order to follow the dynamics of ...

6

A mesoscopic model for compression of granular materials

A mesoscopic model for compression of granular materials

... in granular materials has a large importance in various ...requires models for the response of different soils under compression at a wide range of ...of granular materials to pressure, ...

6

Modeling of unsaturated granular materials in flexible pavements

Modeling of unsaturated granular materials in flexible pavements

... element models for flexible pavement structures are setup, which consider asphalt concrete as a viscoelastic material, granular base as a moisture-sensitive and stress- dependent nonlinear cross-anisotropic ...

6

Vertical stresses within granular materials in silos

Vertical stresses within granular materials in silos

... mining, granular backfills such as hydraulic fills are stored in square or rectangular stopes, where the stress variation with depth is similar to that in a ...and other supporting ...with granular ...

6

Peridynamic modeling of granular fracture in polycrystalline materials

Peridynamic modeling of granular fracture in polycrystalline materials

... 6 CONCLUSION In this paper, a novel peridynamic formulation for cubic crystals has been introduced and all the relevant derivations have been provided. Static analyses have been carried out by considering different grain ...

42

Utilization of electric properties of granular and powdery materials

Utilization of electric properties of granular and powdery materials

... replacement of the temperature dependencies are influenced by this fact. Our other measurements were done on various varieties of amaranth (Amaranthus) seeds (Hlaváèová, 2001). For illustration, in Fig. 3 we ...

5

3D MULTI-SCALE SEGMENTATION OF GRANULAR MATERIALS

3D MULTI-SCALE SEGMENTATION OF GRANULAR MATERIALS

... In the first part of this paper, the Pyramid Union was introduced to solve the problem of individualization of each grain with a single marker, under the assumption that all markers and associated boundaries are included ...

6

Quantifying exchange coupling in segregated granular materials

Quantifying exchange coupling in segregated granular materials

... segregated granular materials, using CoCrPt-SiO x granular recording media as model ...these models allows an estimate to be made of the volume fraction of grains that are exchange coupled and ...

18

Acoustical properties of double porosity granular materials

Acoustical properties of double porosity granular materials

... of materials with a single pore size or narrow pore/grain size dis- tribution, ...porosity materials, has been proposed by Johnson et ...These models make use of scaling functions that correctly ...

13

On the stress–force–fabric relationship for granular materials

On the stress–force–fabric relationship for granular materials

... The derivation of the stress–force–fabric relationship is a good example demonstrating the powerful application of the directional statistical theory in granular mechanics. The conven- tional directional analyses ...

18

Peridynamic modeling of granular fracture in polycrystalline materials

Peridynamic modeling of granular fracture in polycrystalline materials

... experimental techniques such as TEM are affected by detectability limitations, while theoretical models cannot fully clarify the mechanical degradation produced by the formation and interaction of microcraks. ...

43

Vacuum insulation panel core materials and modelling the thermal conductivity of granular materials

Vacuum insulation panel core materials and modelling the thermal conductivity of granular materials

... The models previously mentioned focused predicting effective thermal conductivity assuming that the solid and fluid thermal conductivities are ...for materials with complex compositions such as alloys and ...

84

The Consequence of Particle Crushing in Engineering Properties of Granular Materials

The Consequence of Particle Crushing in Engineering Properties of Granular Materials

... 4. Conclusion Particle breakage for natural Aqaba sand was investi- gated experimentally. The natural sand specimens were subjected to one-dimensional compression to induce breakage. The grain size distributions of the ...

6

Fluid Dynamics of the Evolution of Supernova Remnants and Granular Materials.

Fluid Dynamics of the Evolution of Supernova Remnants and Granular Materials.

... compare models to data for the Cygnus Loop supernova ...the granular fluid part, the flow of dense granular materials at low inertial numbers cannot be fully characterized by local rheological ...

127

Stochastic generation of virtual air pores in granular materials

Stochastic generation of virtual air pores in granular materials

... In order to show the general validity of the ISA method the number of points in the void space with a given co- ordination is normalised, thus, allowing the comparison between arbitrarily thick samples. The normalisation ...

12

Refractive Index Matched Scanning of Dense Granular Materials

Refractive Index Matched Scanning of Dense Granular Materials

... 4. Optical path length correction The optical path length between the laser sheet and the camera varies with the laser sheet moving through the fluid, since the geometric path consists of changing fractions of me- dia ...

13

Influence of network topology on sound propagation in granular materials

Influence of network topology on sound propagation in granular materials

... to other mesoscale phenomena in granular physics, such as the spatial eigenmodes for soft (low-energy) modes, which are observed in simulations to take the form of localized swirls ...in other ...

17

Show all 10000 documents...

Related subjects