نتایج جستجو برای: asymmetric anisotropic sheet metals

تعداد نتایج: 206033  

2007
YIMIN XIAO

In this paper we give a detailed description of the random wavelet series representation of real-valued linear fractional stable sheet introduced in [3]. By using this representation, in the case where the sample paths are continuous, an anisotropic uniform and quasi-optimal modulus of continuity of these paths is obtained as well as an upper bound for their behavior at infinity and around the ...

Journal: :Journal of physics. Condensed matter : an Institute of Physics journal 2011
Xiao Lin Sergey L Bud'ko German D Samolyuk Milton S Torikachvili Paul C Canfield

We present detailed thermodynamic and transport measurements on single crystals of the recently discovered binary intermetallic superconductor, SrSn(4). We find this material to be a slightly anisotropic three-dimensional, strongly coupled, possibly multiband, superconductor. Hydrostatic pressure causes a decrease in the superconducting transition temperature at the rate of ≈ - 0.068 K kbar(-1)...

2008
YIMIN XIAO

In this paper we give a detailed description of the random wavelet series representation of real-valued linear fractional stable sheet introduced in [2]. By using this representation, in the case where the sample paths are continuous, an anisotropic uniform and quasi-optimal modulus of continuity of these paths is obtained as well as an upper bound for their behavior at infinity and around the ...

2005
B. Fuchs E. Athanassoula

We have extended previous analytical studies of the interaction of dark halos with galactic disks by introducing for the halo particles anisotropic distribution functions in phase space. For this purpose we have employed the shearing sheet model of a patch of a galactic disk embedded in a homogeneous halo. We find that velocity anisotropy increases considerably the maximum growth factor of pert...

Journal: :روش های عددی در مهندسی (استقلال) 0
محمود فرزین و محمدرضا شریعتی m. farzin and m shariaty

stretching process of sheet metals in both cases of axisymmetric and non-axisymmetric is analyzed. a rigid-plastic, normal anisotrop material is assumed and large strain formulation is applied. triangular elements are used and stiffness equations of elements are obtained from virtual work principle. these nonlinear equations are linearized by newton-raphsons method and are solved by gaussian el...

2006
K.-Y. Jung F. L. Teixeira

We analyze transient electromagnetic pulse propagation in spectrally asymmetric magnetic photonic crystals MPCs with ferromagnetic losses. MPCs are dispersion-engineered materials consisting of a periodic arrangement of misaligned anisotropic dielectric and ferromagnetic layers that exhibit a stationary inflection point in the asymmetric dispersion diagram and unidirectional frozen modes. The a...

Journal: :ACS nano 2012
Hang Xing Zidong Wang Zhida Xu Ngo Yin Wong Yu Xiang Gang Logan Liu Yi Lu

Asymmetric assembly of nanomaterials has attracted broad interests because of their unique anisotropic properties that are different from those based on the more widely reported symmetric assemblies. Despite the potential advantages, programmable fabrication of asymmetric structure in nanoscale remains a challenge. We report here a DNA-directed approach for the assembly of asymmetric nanocluste...

2012
M. Sulaiman Khan Frans Coenen Clare Dixon Subhieh El-Salhi

A mechanism for describing 3-D local geometries is presented which is suitable for input into a classifier generator. The objective is to predict the springback that will occur when Asymmetric Incremental Sheet Forming (AISF) is applied to sheet metal to produce a desired shape so that corrective measures can be applied. The springback is localised hence the desired before shape and the actual ...

1998
R. Cowsik

It is suggested that the proper motion and the spin of pulsars at birth are causally connected. Accordingly, the observed mean values of these parameters can be attributed to the recoil momentum and torque impulse imparted to the neutron star by anisotropic and asymmetric emission of neutrinos during the collapse of the core in a supernova.

2001
Junhua Zhang Chuan Liu

It has become clear that anisotropic, coarse lattices and improved lattice actions are the ideal candidates for lattice QCD calculations on small computers [1–4]. They are particularly advantageous for heavy objects like the glueballs, one meson states with nonzero three momenta and multi-meson states with or without three momenta. The gauge action employed is the tadpole improved gluonic actio...

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