نتایج جستجو برای: anisotropy evolution

تعداد نتایج: 374147  

1995
Charles Walter

We use N-body simulations to study evolution of galaxy clusters over the redshift interval 0 z 0.5 in cosmological models with a mixture of cold and hot dark matter (CHDM). Four di erent techniques are utilized: the cluster-cluster correlation function, axial ratios and quadrupoles of the dark matter distribution in individual clusters, and virial properties. We nd that the correlation function...

2002
H. B. Nie S. Y. Xu J. Li C. K. Ong J. P. Wang

We studied the in-plane magnetic anisotropy of rf ~radio frequency! sputtered @~FeTaN!/~TaN!#n multilayers synthesized on Si substrates. In the multilayers where n55, the FeTaN thickness is fixed at 30 nm and the thickness of TaN, tTaN , is varied from 0 to 6.0 nm, we observed a clear trend that, with increasing tTaN , the values of coercivity, grain size, and amplitude of maximum magnetoresist...

A Asa A Ebrahimi mamaghani R Hosseini

Large strains, anisotropy of mechanical properties of materials and Coulomb friction in contact regions are some properties in the analysis of deep drawing process. In this research, the effects of different parameters such as anisotropy coefficient, work hardening exponent and friction coefficient on deep drawing process of drawing quality steel are studied. For this purpose, the finite elemen...

Journal: :Journal of Physics G: Nuclear and Particle Physics 2016

صبا مرتضی‌پور, , فرهاد شهبازی, ,

 In this work we investigated the critical properties of the anti-ferromagnetic XY model on a two dimensional Kagome lattice under single-ion easy-axes anisotropy. Employing the mean field theory, we found that this model shows a second order phase transition from disordered to all-in all-out state for any value of anisotropy.

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...

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