نتایج جستجو برای: boundary and interior layers

تعداد نتایج: 16879970  

2003
M. A. Thompson J. S. Urquhart G. J. White

We have carried out a radio-wavelength imaging survey of 45 bright-rimmed clouds (BRCs), using the Australia Telescope Compact Array to characterise the physical properties in their ionised boundary layers. We detected radio emission from a total of 25 clouds and using a combination of Digitised Sky Survey and mid-infrared MSX 8µm images classified the emission into that associated with the ion...

Journal: :journal of medical signals and sensors 0
mahdi kazemian jahromi raheleh kafieh hossein rabbani alireza mehri dehnavi alireza peyman fedra hajizadeh

diagnosis of corneal diseases is possible by measuring and evaluation of corneal thickness in different layers. thus, the need for precise segmentation of corneal layer boundaries is inevitable. obviously, manual segmentation is time‑consuming and imprecise. in this paper, the gaussian mixture model (gmm) is used for automatic segmentation of three clinically important corneal boundaries on opt...

Journal: :international journal of industrial mathematics 2016
s. abdul ‎gaffar‎ v. ramachandra prasad e. keshava reddy

this article investigates the nonlinear, steady boundary layer flow and heat transfer of an incompressible eyring-powell non-newtonian fluid from an isothermal sphere with biot number effects. the transformed conservation equations are solved numerically subject to physically appropriate boundary conditions using a second-order accurate implicit finite-difference keller box technique. the influ...

2009
D. Salabert J. Leibacher T. Appourchaux F. Hill

We present an adaptation of the rotation-corrected, m-averaged spectrum technique designed to observe low signal-to-noise-ratio, low-frequency solar p modes. The frequency shift of each of the 2l+ 1 m spectra of a given (n, l) multiplet is chosen that maximizes the likelihood of the m-averaged spectrum. A high signal-to-noise ratio can result from combining individual low signal-to-noise-ratio,...

In this paper, the  optical properties of a semi-infinite medium composed of graphen-based hyperbolic meta-materials with the optical axis were tilted with respect to its boundary with air, by using the  Maxwell equations; then  the homogeneous effective medium approximation method was  studied. The results showed that the orientation of the structure layers (geometric induced anisotropy) affec...

M.H Naei, V Tahouneh

This paper deals with free vibration analysis of thick Laminated curved panels with finite length, based on the three-dimensional elasticity theory. Because of using two-dimensional generalized differential quadrature method, the present approach makes possible vibration analysis of cylindrical panels with two opposite axial edges simply supported and arbitrary boundary conditions including Fre...

1992
Barry Joe

We discuss the problem of generating a boundary-constrained tetrahedral mesh in a convex polyhedron, where the triangular meshes on the boundary faces of the polyhedron are given. These boundary-constrained triangulations are used in our nite element tetrahedral mesh generation method (which includes a convex poly-hedron decomposition step), since a boundary face may be common to two convex pol...

2004
Liz Clark Barry Haynes James Pinder

Three separate studies to evaluate occupants' views of buildings and workplaces are summarised, identifying common threads of appearance, comfort / interior environment, configuration and functionality. Configuration can be recast as facets of a workplace that encourage interaction, functionality as facets that introduce distraction or threaten the absence of various support services. Many aspe...

Journal: :Journal of Mathematical Fluid Mechanics 2011

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