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Topic: Anisotropic

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Isotropy

Lorentz equation

Heat equation

Woodworking

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Velocity

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Standard Model

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Isotropic

	Anisotropy - Wikipedia, the free encyclopedia
		In the field of computer graphics, an anisotropic surface will change in appearance as it is rotated about its geometric normal, as is the case with velvet.
		An anisotropic filter, on the other hand, is a filter with increasingly smaller interstitial spaces in the direction of filtration so that the proximal regions filter out larger particles and distal regions increasingly remove smaller particles, resulting in greater flow-through and more efficient filtration.
		An anisotropic liquid is one which has the fluidity of a normal liquid, but, unlike water or chloroform, which contain no structural ordering of the molecules, they have an average structural order relative to each other along their molecular axis.
	en.wikipedia.org /wiki/Anisotropic (283 words)

	Anisotropic article - Anisotropic isotropic Magnetic susceptibility electrical conductivity cosmic - What-Means.com (Site not responding. Last check: 2007-10-08)
		Wood is an anisotropic material as its strength and expansion due to humidity are different in the longitudinal, radial, and tangential directions.
		For example, an anisotropic surface will change in appearance as it is rotated about its geometric normal, as is the case with velvet.
		Anisotropic scaling occurs when something is scaled by different amounts in different directions, for example, stretching a 64×64-pixel texture to cover a 12×34-pixel rectangle.
	www.what-means.com /encyclopedia/Anisotropy (171 words)

	nV News - NVIDIA GeForce3 Preview - Anisotropic Filtering
		Anisotropic filtering is a technique more suited to texturing angled surfaces, but requires additional processing in the form of texture memory reads.
		Anisotropic texture filtering calculates the shape of this ellipse and maps it onto the required texture.
		When used in conjunction with trilinear filtering, anisotropic filtering utilizes an additional average of 8, 16, or 32 texel samples within the ellipse to determine the color to be mapped to the target surface.
	www.nvnews.net /previews/geforce3/anisotropic.shtml (1503 words)

	Anisotropic -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-08)
		Anisotropic (meaning non- (Click link for more info and facts about isotropic) isotropic) is usually used to describe a directionally dependent phenomenon.
		For example, an anisotropic surface will change in appearance as it is rotated about its geometric (Something regarded as a normative example) normal, as is the case with (A silky densely piled fabric with a plain back) velvet.
		Anisotropic scaling occurs when something is scaled by different amounts in different directions, for example, stretching a 64×64-pixel (The feel of a surface or a fabric) texture to cover a 12×34-pixel (A parallelogram with four right angles) rectangle, this is known as (Click link for more info and facts about anisotropic filtering) anisotropic filtering.
	www.absoluteastronomy.com /encyclopedia/a/an/anisotropic.htm (269 words)

	Anisotropic Filtering (Site not responding. Last check: 2007-10-08)
		Anisotropic means "non-uniform shape" and it is because this filtering technique works on non-uniform, or uneven, shaped areas that it is more powerful, and takes much more processing power, than point sampling, bi-linear or tri-linear filtering.
		Anisotropic texture filtering calculates the shape of this ellipse, maps it onto the required texture and then takes an average of the colours from up to 32 texels within the ellipse to decide what colour should be plotted onto the target surface.
		Because anisotropic texture filtering requires so many calculations to be done to plot a single pixel, it has, until quite recently, been available only on the most expensive 3D hardware.
	www.meko.co.uk /anisofilter.shtml (357 words)

	Anisotropic filtering - Wikipedia, the free encyclopedia
		In 3D computer graphics, anisotropic filtering (AF) is a method of enhancing the image quality of textures on surfaces that are far away and steeply angled with respect to the camera.
		Like bilinear and trilinear filtering it eliminates aliasing effects, but introduces less blur in the process and thus preserves more detail.
		Anisotropic filtering is computationally relatively expensive and has only recently become a standard feature of consumer-level graphics cards.
	en.wikipedia.org /wiki/Anisotropic_filtering (96 words)

	Anisotropic Transport - Ken Cooper
		Based on extensive theoretical work, it is commonly thought that the anisotropic transport reflects the formation of a "striped" charge density wave (CDW) which becomes oriented over the macroscopic (5x5 mm) sample size by some pinning mechanism inherent in the crystal.
		Aside from reorienting the principal axes of anisotropy, an in-plane field also affects the sharpness of the transition from isotropic to anisotropic transport as the temperature is lowered.
		This coursening of the transition from isotropic to anisotropic transport might be explained by an electronic liquid crystal model of the striped CDW phase.
	www.cco.caltech.edu /~jpelab/Ken_web_page/anisot.html (756 words)

	[No title] (Site not responding. Last check: 2007-10-08)
		For anisotropic materials theoretical models predict an unusual intrinsic wave property: the deviation of phase velocity (group velocity: defined as the velocity of energy wave propagating in media) from wave normal.
		The fact that the wave energy tend to propagate in the eigen-vector direction in the anisotropic media are itself an intrinsic property of anisotropic material.
		anisotropic region retaining the energy uniformity on the first shell of anisotropic region.
	www.sv.vt.edu /comp_sim/energy/energy.html (1281 words)

	X-bit labs - Articles - Anisotropic Filtering Investigation: NVIDIA GeForce3
		Anisotropic filtering considers the optic angle (the angle at which you look at an object surface), so the textures right in front of you get "smeared" along the object surface much more than in any other direction.
		To calculate a pixel color in bilinear filtering mode, for instance, the colors of four texels are used (or four "texture pixels" closest to the spot on the object surface, to which the pixel center is projected).
		In case of anisotropic filtering, ideally, the colors of all the texture samples falling into the pixel projection to the object should be taken into consideration.
	www.xbitlabs.com /articles/video/display/gf3-anis-filtering.html (1865 words)

	Richard Leader: Bargain Bin Review: Anisotropic Filtering (Site not responding. Last check: 2007-10-08)
		Anisotropic filtering allows for the gradual decrease in mip-map size over distance without any resulting visual lines delimiting the various zones.
		While it appears brighter in the bilinear and trilinear strips, the texture displayed is at a lower resolution and lacks the intricate detail of the anisotropic 8X mode.
		When combined with FSAA it allows gamers to push back their LOD even further to prove that when it comes to computer graphics, 20/20 vision is only the beginning.
	www.richleader.com /bargainbinreview_anisotropic-filtering.htm (1074 words)

	Anisotropic finite elements (Site not responding. Last check: 2007-10-08)
		This anisotropic behaviour of the solution has to be taken into consideration in order to get an optimal finite element approximation.
		Anisotropic local interpolation error estimates are derived in the papers Apel/Dobrowolski:92, Apel/Nicaise:94, Apel/Lube:96, Apel:96, Apel:97, and Apel:98.
		Anisotropic error estimators are mainly investigated by G.
	www.tu-chemnitz.de /~tap/fog05e.html (242 words)

	Local Inequalities for Anisotropic Finite Elements and Their Application to Convection-Diffusion Problems - Apel, Lube ...
		The main original contributions are the estimates for higher derivatives of the interpolation error, the formulation of the assumptions on admissible anisotropic finite elements in terms of geometrical conditions in the three-dimensional case, and an anisotropic variant of the inverse inequality.
		An application of anisotropic meshes in the context of a stabilized Galerkin method for a...
		3 Mesh orientation and anisotropic refinement in the streamlin..
	citeseer.ist.psu.edu /apel95local.html (660 words)

	Anisotropic Strength of Cohesionless Sands (Site not responding. Last check: 2007-10-08)
		Anisotropic strength response, caused by the anisotropic distribution of contact normals, should be expected even in a uniform mass of spheres.
		It is always necessary to assume that sand is generally anisotropic.
		Tests on samples prepared by the plunging-tapping method are advisable for obtaining a reasonable estimate of the mean strength for anisotropic sands.
	www.pubs.asce.org /WWWdisplay.cgi?5016491 (116 words)

	Electrical interactions between a real ventricular cell and an anisotropic two-dimensional sheet of model cells -- Wang ...
		Influences of anisotropic tissue structure on reentrant circuits in the epicardial border zone of subacute canine infarcts.
		Anisotropic conduction in monolayers of neonatal rat heart cells cultured on collagen substrate.
		Anisotropic conduction and reentry in perfused epicardium of rabbit left ventricle.
	ajpheart.physiology.org /cgi/content/full/278/2/H452 (5853 words)

	Parameter Estimation in Anisotropic Media (Site not responding. Last check: 2007-10-08)
		Anisotropic propagation is manifested in seismic data as anomalies in travel time, amplitude and waveforms.
		Prior analytic and numerical investigations reveal that the dependence of model parameters on seismic data for anisotropic media is highly nonlinear and, therefore, a nonlinear, global optimization method is appropriate for this purpose.
		This offers a means by which, first, physical implications of acceptable models may be ranked as to their priority for explanation and, second, the usefulness of a given data set in answering geophysically interesting questions.
	www.ig.utexas.edu /research/projects/anisoparam/anisoparam.htm (494 words)

	Anisotropic Membranes (Site not responding. Last check: 2007-10-08)
		Even though the phase diagram of anisotropic crystalline membranes is more complex than the isotropic case, it may still be understood from theoretical models.
		Examples of anisotropic membranes have been synthesized in the lab by
		The membrane is very anisotropic, as the direction along the filament is clearly not equivalent to the perpendicular direction.
	www.physics.iastate.edu /staff/travesset/Anisotropic.htm (185 words)

	Models of Vortices in Anisotropic Superconductors
		The line energy of a single magnetic vortex at an arbitrary direction in an anisotropic superconductor is evaluated in three different phenomenological models, the anisotropic London model, the anisotropic Ginzburg-Landau model, and the Lawrence-Doniach model.
		Using the Klemm-Clem transformations of the free energy and vortex coordinates in the anisotropic Ginzburg-Landau model, a theorem relating the shape of the effective core cross-section in the anisotropic London model to that in the anisotropic Ginzburg-Landau model is presented.
		This theorem allows the anisotropic London model to be used in the entire regime $H_{c1}\leq H < < H_{c2}$, regardless of the anisotropy and field direction.
	epubs.siam.org /sam-bin/dbq/article/26386 (275 words)

	Effect of Anisotropic Reactivity on the Rate of Diffusion-Controlled Reactions: Comparative Analysis of the Models of ...
		A comparative analysis of two models of anisotropic reactivity in bimolecular diffusion-controlled reaction kinetics is presented.
		Anisotropic reactivity is a typical feature of the molecules of large size, especially biomolecules.
		For definiteness, we assume that molecule A is anisotropic, whereas molecule B is uniformly
	www.biophysj.org /cgi/content/full/80/5/2062 (4588 words)

	3D Anisotropic-Etching Simulator MICROCAD
		Crystal orientation-dependent anisotropic etching is a phenomenon in which the etching rate of a single crystal differs substantially with the crystal orientation.
		Specifically, there is a need for a high-level mask pattern design to compensate the undercut of the etching mask, formation of a complex curved surface by several stages of etching, and process to etch through the substrate from both side of substrate.
		Further, the anisotropic etching characteristics are significantly influenced by concentration and temperature of etching solutions such as KOH and TMAH.
	www.mizuho-ir.co.jp /english/solution/microcad/index.html (354 words)

	Anisotropic Thermal Conductivity
		The motivation for studying the effect of anisotropic conductivity was the discrepancy between the previous steady-state thermal model and experimental values.
		Next, we look at a 2D version of the PI case with the anisotropic thermal conductivities described in the table.
		So we conclude that anisotropic thermal conductivity alone is not enough to account for the observed symmetry between Face1 and Face2 of the die.
	www.math.umn.edu /~wittman/honeywell/anisotropic.html (743 words)

	Nikon MicroscopyU: Birefringent Crystals in Polarized Light - Interactive Java Tutorial
		Figure 1(a) illustrates an anisotropic birefringent crystal that has the long (optical) axis oriented parallel to the direction of the polarizer.
		In this case, light passing through the polarizer, and subsequently through the crystal, is vibrating in a plane that is parallel to the direction of the polarizer.
		This observation is important in determining the refractive indices of anisotropic materials with a polarizing microscope.
	www.microscopyu.com /tutorials/java/polarized/crystal/index.html (995 words)

	Anisotropic & FSAA settings - www.ezboard.com
		Anisotropic filtering (in 16/32 mode) completely removes the horrible semi-circular moire patterns on the metal floor.
		Anisotropic Level 2 = 16/32 (I'm just taking this from GTU the tweak program, but maybe the actual registry settings use a difference number, but this is the middle quality setting from the available range).
		For anisotropic filtering, this is always Level 2 or off now.
	p078.ezboard.com /fentechfrm1.showNextMessage?topicID=492.topic (1670 words)

	Anisotropic Diffusion in Mitral Cell Dendrites Revealed by Fluorescence Correlation Spectroscopy -- Gennerich and ...
		We solve this apparent contradiction by extending the FCS model of confined diffusion to the case of anisotropic diffusion.
		10) or its analog for (unconfined) anisotropic diffusion
		The assumption of anisotropic diffusion leads to a physically plausible view of diffusion in dendrites.
	www.biophysj.org /cgi/content/full/83/1/510 (5007 words)

	Anisotropic Meshing
		Anisotropic meshing is available in both 2D and 3D to support:
		Input is a triangular mesh in 2D or a tetrahedral mesh in 3D.
		Resulting anisotropic mesh is optimized and smoothed, keeping boundary layer elements intact.
	www.adina.com /meshing/aniso.shtml (114 words)

	Anisotropic Triangular Mesh Generation Based on Refinement
		"Anisotropic" means that it is possible to specify the desired shape and size of triangles in different portions of the mesh.
		Furthermore, a Lemma guarantees that the circumcenter falls in the inside region (using the fact that the input is segment-bounded and that no segment is encroached).
		However in the anisotropic case there are some problems: the circumcircle is not necessarily empty.
	www.cs.berkeley.edu /~flab/cs294-5/project2/mesh.html (1001 words)

	anisotropic (Site not responding. Last check: 2007-10-08)
		An anisotropic material has a distinguishable direction along which the surface is particularly shiny.
		Aside from the attributes described here, the Anisotropic shader inherits many attributes from its parents Reflect and Lambert.
		These "X" and "Y" directions are used by the shader to place the microgrooves that control the anisotropic properties of the shader.
	flatje.cuno.info /~cuno/maya45en/Nodes/anisotropic.html (486 words)

	Finite Difference Elastic Anisotropic Wave Propagation , by John T. Etgen (Site not responding. Last check: 2007-10-08)
		The heterogeneous anisotropic elastic wave equation can be solved on a discrete grid using an explicit finite-difference technique.
		For common descriptions of an anisotropic solid, no interpolation of grid values is needed during the computations.
		The algorithm is organized to deal with the data as a sequence of planes so the data does not have to be transposed during the computations.
	sepwww.stanford.edu /theses/sep56/56_03_abs.html (313 words)

	anisotropic filtering - a Whatis.com definition (Site not responding. Last check: 2007-10-08)
		Anisotropic filtering (AF) is a feature of some video cards that sharpens the details of the fading-away part of a 3D object that recedes into the distance.
		Anisotropic describes objects whose vectors are unequal, such as trapezoids and parallelograms.)
		Since anisotropic filtering requires intense processing as image frames are presented to the display, it may affect performance.
	whatis.techtarget.com /definition/0,,sid9_gci870037,00.html (220 words)

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