نتایج جستجو برای: anisotropy evolution

تعداد نتایج: 374147  

M.A.Rowshanzamir and A. Jafari,

Cohesive-frictional soils are widely used in the construction of embankment structures and due to the method of construction, i.e. applying compactive efforts in the vertical direction in these cases, the occurrence of anisotropy in the soil strength and permeability seems to be inevitable. In this study, attempts have been made to evaluate the shear strength of c-f soils through modifying a l...

Journal: :The European physical journal. E, Soft matter 2005
P Ribière P Richard D Bideau R Delannay

We report on experiments to measure the temporal and spatial evolution of packing arrangements of anisotropic and weakly confined granular material, using high-resolution gamma-ray adsorption. In these experiments, the particle configurations start from an initially disordered, low-packing-fraction state and under vertical solicitations evolve to a dense state. We find that the packing fraction...

2012
Ignacio García Nuria Iturriza Juan José del Val Hans Grande José A. Pomposo Julián González

The domain structure of a magnetostrictive Fe40Ni38Mo4B18 amorphous ribbon has been studied using magnetic force microscopy (MFM) at room temperature. First, the evolution of the magnetic domain patterns as a function of the annealing temperature has been investigated. In samples heat treated at 250 and 450 °C for 1 h, a transformation from 90° to 180° domain wall has been clearly observed, whi...

Journal: :international journal of iron & steel society of iran 2008
a. r. ebrahimi a. abyazi s. m. abbasi

thermomechanical control process steel produced by rolling has a significant anisotropy. the elongated grains and inclusions formed during hot rolling of ferrite and low carbon hsla steels directly influence the anisotropy of the steel’s mechanical properties as a result of microstructural anisotropy. the present research deals with this anisotropy, and particular attention has been paid to the...

2009
Pawel Gusin

The evolution of a probe D-brane in the p-brane background has been considered. The anisotropic evolution of the world-volume of the D-brane with a given topology of a world-volume in a form of a direct product of a n-dimensional flat space and (3 − n)-dimensional sphere has been obtained. In this case the anisotropy is described with the aid of two parameters (Hubble parameters). The special c...

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