... of magnetostatic Maxwell equations. These E-SDs are connected in the two directions (i.e. r- and θ-edges). Newton–Raphson (NR) iterative algorithm is used for nonlinear magnetic field analysis. Findings The proposed model is relevant for different types of rotating electrical machines; as an example...

... to be computationally accurate. C.H.H.M. Custers can be contacted at: c.h.h.m.custers@tue.nl 20 02 2018 17 05 2018 24 07 2018 © Emerald Publishing Limited 2018 Emerald Publishing Limited Licensed re-use rights only Magnetic fields Modelling Eddy currents Semi-analytical...

.... The computer results of the magnetic field of a sphere were compared with an analytical solution. A superstructure, decks, hull and bulkheads of a corvette were modeled. An analysis of ship’s magnetic field with consideration of inner ferromagnetic devices and with degaussing system was carried out...

...Jacek Horiszny Purpose The paper presents the analysis of magnetic field that surrounds the power transformer after it has been switched off. The purpose of this paper is to determine the possibility of defining the residual fluxes in the legs of the transformer based on the measurement...

...Rafael Psiuk; Alisa Artizada; Daniel Cichon; Hartmut Brauer; Hannes Toepfer; Albert Heuberger Purpose This paper aims to provide a flexible model for a system of inductively coupled loops in a quasi-static magnetic field. The outlined model is used for theoretical analyses on the magnetic field...

..., the average value of the maximum magnetic field strength in the core can be evaluated by: Table II. Test with toroid B with additive polarity and A with subtractive polarity   Toroid B – additive Toroid A – subtractive Vtotal (V RMS) I (A RMS) V (V RMS...

... together the known theory of the orthogonal expansion method with the methods and tools for magnetic field measurements to establish a field description in accelerator magnets. As long as the design orbit is not deviating too much from the central orbit, and the multipole field expansion is valid...

... of a multi-objective optimization algorithm that generalizes the migration-non-dominated sorting genetic algorithm (NSGA); it is called self-adapting migration-NSGA. Findings The optimized device is able to synthesize a uniform magnetic field in a nanoparticle fluid, substantially helping its heating...

... and torques. Lukáš Koudela is the corresponding author and can be contacted at: koudela@rice.zcu.cz 20 05 2016 04 11 2016 05 12 2016 © Emerald Publishing Limited 2017 Emerald Publishing Limited Licensed re-use rights only Magnetic fields Shape optimization Temperature...

... be contacted at: dolezel@fel.cvut.cz 20 05 2016 03 11 2016 05 12 2016 © Emerald Publishing Limited 2017 Emerald Publishing Limited Licensed re-use rights only Magnetic fields Lasers Thermal analysis Induction heating Numerical analysis where symbol ω = 2πf represents...

..., applied on the interior surface of the bundle of laminations, can be calculated by: © Emerald Group Publishing Limited 2015 Magnetic fields Finite element analysis Induction motor Slot harmonics The high-voltage winding of an induction machine and its insulation system are usually...

... on the finite element method are used to calculate magnetic field distribution in 3D models of power transformers. Eddy current losses in conducting metal parts are induced by the stray magnetic field of transformer windings and high current leads. From loss distribution and appropriate cooling condition...

...@unina2.it © Emerald Group Publishing Limited 2015 Magnetic fields High performance computing Graphic processing units Inductance The classical concept of inductance is widely adopted in electromagnetic applications, ranging from electromechanical conversion (Fitzgerald et al...

.../methodology/approach – The paper represents the shape of the ferromagnetic pole covers with B-splines and defines a cost functional that measures the non-uniformity of the magnetic field in an area above the poles. The authors apply an iso-geometric shape optimization procedure, which allows us...

... is extended to curl-conform and div-conform elements. Furthermore, three-dimensional studies are proposed. Antoine Alexandre Journeaux can be contacted at: antoine.journeaux@lgep.supelec.fr © Emerald Group Publishing Limited 2014 Algorithms Magnetic fields Multiphysics Numerical methods...

...Prof. Norio Takahashi; Andrzej Demenko; Jan Sykulski Purpose – Numerical three-dimensional formulations using vector potential A have been examined for magnetic fields, with emphasis on the finite difference (FDM) and edge element (EEM) methods, with the view to establish common features...

... of the potential are: Equation 44 Jonathan Z. Bird can be contacted at: jonathan.bird@ieee.org © Emerald Group Publishing Limited 2014 Magnetic fields Analytical methods Eddy currents Levitation Magnetic forces Magnetic vector potential The motion of a magnetic source...

... in the NRM. One is the method A (NRM(B2)) which uses the ν-B2 curve. In this method, the magnetic field strength H is given by: Equation 1  B is the flux density. The reluctivity ν is given by: Equation 2 The other is the method B (NRM(B)) which uses...

... and magnetic fields converge with the optimal order of p+1 in L₂ norm, when the interpolation order on every element and every interface is p and the sought solution is sufficiently regular. The presented numerical results show the effectiveness of the proposed HDG method, especially when compared...

...Jieren Yang; Ruirun Chen; Hongsheng Ding; Yanqing Su; Guo Jingjie; Feng Huang; Hengzhi Fu Purpose The purpose of this paper is to introduce a numerical calculation method to study the uniformity of the magnetic field in a cold crucible used for directional solidification (DS) and provide...