نتایج جستجو برای: dual mixed volumes

تعداد نتایج: 424408  

Journal: :Computer Methods in Applied Mechanics and Engineering 2021

Grid generation for reservoir simulation, must honour classical key geological features and multilateral wells. The to be honoured are classified into two groups; (1) involving layers, faults, pinchouts fractures, (2) well distributions. In the former, control-volume boundary aligned grids (BAGs) required, while in latter, control-point (defined as centroid of control-volume) (WAGs) required. D...

Journal: :Medical physics 2012
Samuel M Johnston G Allan Johnson Cristian T Badea

PURPOSE Micro-CT is widely used for small animal imaging in preclinical studies of cardiopulmonary disease, but further development is needed to improve spatial resolution, temporal resolution, and material contrast. We present a technique for visualizing the changing distribution of iodine in the cardiac cycle with dual source micro-CT. METHODS The approach entails a retrospectively gated du...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده برق و کامپیوتر 1392

در دهه اخیر، ساختار فراماده الکترومغناطیسی توجه زیادی را در فیزیک و جوامع مهندسی به خود جلب کرده است. فراماده ساختاری است الکترومغناطیسی با خصوصیات همگن ومصنوعی که دارای خواص غیر عادی می¬باشد. این ساختارضریب گذردهی الکتریکی منفی و ضریب نفوذپذیری مغناطیسی منفی دارد و تحت عنوان ساختار چپگرد شناخته می¬شود. ابعاد سلولی آنها از طول موج کوچکتر است. این ساختار در طبیعت یافت نمی شوند. انتشار امواج در ا...

Journal: :bulletin of the iranian mathematical society 0
s. ebrahimi atani department of mathematics, university‎ ‎of guilan‎, ‎p.o. box 1914, rasht‎, ‎iran. m. khoramdel department of‎ ‎mathematics, university‎ ‎of guilan‎, ‎p.o. box 1914, rasht‎, ‎iran. s. dolati pish hesari department of mathematics, ‎university‎ ‎of guilan‎, ‎p.o. box 1914, rasht‎, ‎iran.

we introduce the notions of t-dual rickart and strongly t-dual rickart modules. we provide several characterizations and investigate properties of each of these concepts. it is shown that every free (resp. finitely generated free) $r$-module is t-dual rickart if and only if $overline{z}^2(r)$ is a  direct summand of $r$ and end$(overline{z}^2(r))$ is a semisimple (resp. regular) ring. it is sho...

2008
Hyun-Chul Kim Youngman Kim

We investigate the quark-gluon mixed condensate based on an AdS/QCD model. Introducing a holographic field dual to the operator for the quark-gluon mixed condensate, we obtain the corresponding classical equation of motion. Taking the mixed condensate as an additional free parameter, we show that the present scheme reproduces very well experimental data. A fixed value of the mixed condensate is...

Journal: :Physical review letters 2011
V Balasubramanian A Bernamonti J de Boer N Copland B Craps E Keski-Vakkuri B Müller A Schäfer M Shigemori W Staessens

Using the holographic mapping to a gravity dual, we calculate 2-point functions, Wilson loops, and entanglement entropy in strongly coupled field theories in d=2, 3, and 4 to probe the scale dependence of thermalization following a sudden injection of energy. For homogeneous initial conditions, the entanglement entropy thermalizes slowest and sets a time scale for equilibration that saturates a...

2001
Sashikumar Venkataraman Milind Sohoni

This paper describes a systematic algorithm for reconstructing the feature volume from a set of faces in a solid model. This algorithm serves a dual purpose. Firstly, the algorithm generates the feature volume by extending or contracting the neighboring faces of the set of faces. Secondly, the algorithm may also be used to remove (or suppress) the face-set from the model. The algorithm uses a d...

Journal: :Linear Algebra and its Applications 2016

2012
Edward T. Hall

The technology industry has evolved over the years with a development lens increasingly focused on end users and usage cases. Indeed, for the past decade or more, personas (the designer-created profiles of end users) have become stand-ins for various usage cases and user models. With regard to location aware software and mobile applications, the usage of Dual Reality and Mixed Reality as metaph...

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