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检索条件"主题词=Finite-element methods"
633 条 记 录,以下是31-40 订阅
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Investigation of Contact between Elastic Bodies One of Which has a Thin Coating Connected with the Body through a Nonlinear Winkler Layer by the Domain Decomposition methods
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Journal of Mathematical Sciences (United States) 2021年 第4期258卷 477-506页
作者: Prokopyshyn, І.І. Styahar, А.О. Pidstryhach Institute for Applied Problems in Mechanics and Mathematics National Academy of Sciences of Ukraine Lviv Ukraine University of L’Aquila L’Aquila Italy
We consider the problem of contact interaction between two elastic bodies one of which has a coating in the form of a thin Timoshenko-type shell connected with the body through a nonlinear Winkler layer. We present a ... 详细信息
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The optimisation of the mesh in first-order systems least-squares methods
The optimisation of the mesh in first-order systems least-sq...
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5th International Congress on Industrial and Applied Mathematics
作者: Tourigny, Y Univ Bristol Sch Math Bristol BS8 1TW Avon England
We describe an algorithm for optimising the mesh in the least-squares finite element discretisation of first-order systems of partial differential equations. The key feature of the method is that the optimisation proc... 详细信息
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A Novel Octagonal Wound Core for Distribution Transformers Validated by Electromagnetic Field Analysis and Comparison With Conventional Wound Core
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IEEE TRANSACTIONS ON MAGNETICS 2010年 第5期46卷 1251-1258页
作者: Hernandez, Ivan Olivares-Galvan, Juan C. Georgilakis, Pavlos S. Canedo, Jose M. NYU Power Elect Syst Polytech Inst Dept Elect & Comp Engn Brooklyn NY 11201 USA CINVESTAV Unidad Guadalajara Dept Sistemas Elect Potencia Zapopan 45015 Jal Mexico Univ Autonoma Metropolitana Azcapotzalco Dept Energia Ciudad De Mexico 02200 DF Mexico Natl Tech Univ Athens Sch Elect & Comp Engn GR-15780 Athens Greece
This paper analyzes a novel configuration of transformer core, called octagonal wound core (OWC), and shows the minimization of the excitation current and the reduction of the eddy-current losses. The OWC is compared ... 详细信息
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Higher order interpolatory vector bases on pyramidal elements
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IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION 1999年 第5期47卷 775-782页
作者: Graglia, RD Gheorma, IL Politecn Torino Dipartimento Elettr I-10129 Turin Italy
In the numerical solution of three dimensional (3-D) electromagnetic field problems, the regions of interest can be discretized by elements having tetrahedral, brick or prismatic shape. However, such different shape e... 详细信息
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Analytical interpretation and quantification of rotational losses in stator cores of induction motors
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IEEE TRANSACTIONS ON MAGNETICS 2007年 第10期43卷 3861-3867页
作者: Diaz, Guzman Gonzalez-Moran, Cristina Arboleya, Pablo Gomez-Aleixandre, Javier Univ Oviedo Dept Elect Engn Gijon 33204 Spain
We propose an approach to allocate and delimit a region in which the rotational losses are of most importance in the stator core of induction motors. The delimitation is based on the analysis of points at which the mi... 详细信息
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VOLMAX: A solid-model-based, transient volumetric Maxwell solver using hybrid grids
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IEEE ANTENNAS AND PROPAGATION MAGAZINE 1997年 第1期39卷 20-33页
作者: Riley, DJ Turner, CD Laboratory of Chromatography DEPg.Fac.Quimica Universidad Nacional Autonoma de Mexico Circuito interior Cd Universitaria/CP 04510 Mexico D.F.Mexico
This paper provides an overview of the finite-volume algorithm, the dissipative time-integration scheme, boundary condition implementation, grid generation, and a time-step definition suitable for sub-time cycling. To... 详细信息
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Process Innovations to Prevent Glass Substrate Fracture From RDL Stress and Singulation Defects
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IEEE TRANSACTIONS ON DEVICE AND MATERIALS RELIABILITY 2016年 第4期16卷 622-630页
作者: McCann, Scott Singh, Bhupender Smet, Vanessa Sundaram, Venkatesh Tummala, Rao R. Sitaraman, Suresh K. Georgia Inst Technol Atlanta GA 30332 USA
Glass is an ideal material for package substrates due to the excellent electrical properties, tailorable coefficient of thermal expansion, high mechanical rigidity, availability in large and thin panel form, and smoot... 详细信息
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Trefftz finite elements for electromagnetics
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IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES 2002年 第5期50卷 1328-1339页
作者: Olegovich, Y Innoveda Inc Camarillo CA 93010 USA
It is shown that the method of minimum autonomous blocks (MAB) of Nikol'skii and Nikol'skaia can be reformulated as the Trefftz finite-element method. Solutions of Maxwell's equations in form of plane wave... 详细信息
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Evaluating Singular, Near-Singular, and Non-Singular Integrals on Curvilinear elements
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ELECTROMAGNETICS 2014年 第3-4期34卷 307-327页
作者: Wilton, Donald R. Vipiana, Francesca Johnson, William A. Univ Houston Dept Elect & Comp Engn Houston TX 77204 USA Politecn Torino Dept Elect & Telecommun Antenna & EMC Lab LACE Turin Italy
Recent progress in developing accurate quadrature rules for singular integrals is potentially very useful in higher-order electromagnetic modeling. It is often not so clear, however, how methods developed for linear e... 详细信息
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Characterization of flux rotation and of the ensuing core losses in the stator of induction motors
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IEEE TRANSACTIONS ON ENERGY CONVERSION 2008年 第1期23卷 34-41页
作者: Diaz, Guzman Gonzalez-Moran, Cristina Arboleya, Pablo Gomez-Aleixandre, Javier Univ Oviedo Asturias 33204 Spain
A literature survey reveals that the study of rotational power losses in stator cores has been conventionally performed by means of finite-element analysis. This paper proposes an alternative characterization of rotat... 详细信息
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