COMPEL - The international journal for computation and mathematics in electrical and electronic engineering: Volume 23 Issue 3
Table of contents
Application of Haar’s wavelets in the method of moments to solve electrostatic problems
Aldo Artur Belardi, José Roberto Cardoso, Carlos Antonio França SartoriPresents the mathematical basis and some results, concerning the application of Haar's wavelets, as an expansion function, in the method of moments to solve electrostatic…
A 3D multimodal FDTD algorithm for electromagnetic and acoustic propagation in curved waveguides and bent ducts of varying cross‐section
Nikolaos V. Kantartzis, Theodoros K. Katsibas, Christos S. Antonopoulos, Theodoros D. TsiboukisThis paper presents a curvilinearly‐established finite‐difference time‐domain methodology for the enhanced 3D analysis of electromagnetic and acoustic propagation in generalised…
The highly efficient three‐phase small induction motors with stator cores made from amorphous iron
M. Dems, K. Komęza, S. Wiak, T. StecApplies the field/circuit two‐dimensional method and improved circuit method to engineering designs of the induction motor with stator cores made of amorphous iron. Exploiting of…
Optimal shape design of a high‐voltage test arrangement
P. Di Barba, R. Galdi, U. Piovan, A. Savini, G. ConsognoDiscusses the automated shape design of the electrodes supplying an arrangement for high‐voltage test. Obtains results that are feasible for industrial applications by means of an…
Cogging torque calculation considering magnetic anisotropy for permanent magnet synchronous motors
Shinichi Yamaguchi, Akihiro Daikoku, Norio TakahashiThis paper describes the cogging torque of the permanent magnet synchronous (PM) motors due to the magnetic anisotropy of motor core. The cogging torque due to the magnetic…
Magnetoelastic coupling and Rayleigh damping
A. BelahcenThis paper presents a magnetoelastic dynamic FE model. As first approach, the effect of magnetostriction and strong coupling is not considered. The effect of Rayleigh damping…
Modelling of temperature‐dependent effective impedance of non‐ferromagnetic massive conductor
Ivo Doležel, Ladislav Musil, Bohuš UlrychImpedance of long direct massive conductors carrying time‐variable currents is a complex function of time. Its evolution is affected not only by the skin effect but also by the…
Field strength computation at edges in nonlinear magnetostatics
Friedemann Groh, Wolfgang Hafla, André Buchau, Wolfgang M. RuckerMagnetostatic problems including iron components can be solved by a nonlinear indirect volume integral equation. Its unknowns are scalar field sources. They are evaluated…
Genetic algorithm coupled with FEM‐3D for metrological optimal design of combined current‐voltage instrument transformer
Marija Cundeva, Ljupco Arsov, Goga CvetkovskiThe combined current‐voltage instrument transformer (CCVIT) is a complex non‐linear electromagnetic system with increased voltage, current and phase displacement errors. Genetic…
Adaptive meshing algorithm for recognition of material cracks
Konstanty M. Gawrylczyk, Piotr PutekDescribes the algorithm allowing recognition of cracks and flaws placed on the surface of conducting plate. The algorithm is based on sensitivity analysis in finite elements…
Incorporation of a Jiles‐Atherton vector hysteresis model in 2D FE magnetic field computations: Application of the Newton‐Raphson method
J. Gyselinck, P. Dular, N. Sadowski, J. Leite, J.P.A. BastosThis paper deals with the incorporation of a vector hysteresis model in 2D finite‐element (FE) magnetic field calculations. A previously proposed vector extension of the…
The modelling of the FDTD method based on graph theory
Andrzej Jordan, Carsten MapleDiscusses a parallel algorithm for the finite‐difference time domain method. In particular, investigates electromagnetic field propagation in two and three dimensions. The…
Inverse problem – determining unknown distribution of charge density using the dual reciprocity method
Dean Ogrizek, Mladen TrlepPresents the use of the dual reciprocity method (DRM) for solving inverse problems described by Poisson's equation. DRM provides a technique for taking the domain integrals…
Finite element modelling of stacked thin regions with non‐zero global currents
P. Dular, J. Gyselinck, T. Zeidan, L. KrähenbühlDevelops a method to take the eddy currents in stacked thin regions, in particular lamination stacks, into account with the finite element method using the 3D magnetic vector…
Reliability‐based topology optimization for electromagnetic systems
Jenam Kang, Chwail Kim, Semyung WangThis paper presents a probabilistic optimal design for electromagnetic systems. A 2D magnetostatic finite element model is constructed for a reliability‐based topology…
A “quasi‐genetic” algorithm for searching the dangerous areas generated by a grounding system
Marcello Sylos Labini, Arturo Covitti, Giuseppe Delvecchio, Ferrante NeriSets out a method for determining the dangerous areas on the soil surface. The touch voltages are calculated by a Maxwell's subareas program. The search for the areas in which the…
Development of optimizing method using quality engineering and multivariate analysis based on finite element method
Yukihiro Okada, Yoshihiro Kawase, Shinya SanoDescribes the method of optimization based on the finite element method. The quality engineering and the multivariable analysis are used as the optimization technique. In…
An improved fast method for computing capacitance
L. Song, A. KonradIn the design of chip carriers, appropriate analysis tools can shorten the overall production cycle and reduce costs. Among the functions to be performed by such computer‐aided…
Power losses analysis in the windings of electromagnetic gear
Andrzej Patecki, Sławomir Stępień, Grzegorz SzymańskiPresents 3D method for the computation of the winding current distribution and power losses of the electromagnetic gear. For a prescribed current obtained from measurement, the…
Finite element analysis of the magnetorheological fluid brake transients
Wojciech SzelągDeals with coupled electromagnetic, hydrodynamic, thermodynamic and mechanical motion phenomena in magnetorheological fluid brake. Presents the governing equations of these…
Magnetic stimulation of knee – mathematical model
Bartosz Sawicki, Jacek Starzyński, Stanisław Wincenciak, Andrzej Krawczyk, Mladen TrlepArthritis, the illness of the bones, is one of the diseases which especially attack the knee joint. Magnetic stimulation is a very promising treatment, although not very clear as…
2D harmonic analysis of the cogging torque in synchronous permanent magnet machines
M. Lukaniszyn, M. Jagiela, R. Wróbel, K. LatawiecPresents an approach to determine sources of cogging torque harmonics in permanent magnet electrical machines on the basis of variations of air‐gap magnetic flux density with time…
Determination of a dynamic radial active magnetic bearing model using the finite element method
Boštjan Polajžer, Gorazd Štumberger, Drago Dolinar, Kay HameyerThe dynamic model of radial active magnetic bearings, which is based on the current and position dependent partial derivatives of flux linkages and radial force characteristics…
Electromagnetic forming: A coupled numerical electromagnetic‐mechanical‐electrical approach compared to measurements
A. Giannoglou, A. Kladas, J. Tegopoulos, A. Koumoutsos, D. Manolakos, A. MamalisUndertakes an analysis of electromagnetic forming process. Despite the fact that it is an old process, it is able to treat current problems of advanced manufacturing technology…
2D harmonic balance FE modelling of electromagnetic devices coupled to nonlinear circuits
J. Gyselinck, P. Dular, C. Geuzaine, W. LegrosThis paper deals with the two‐dimensional finite element analysis in the frequency domain of saturated electromagnetic devices coupled to electrical circuits comprising nonlinear…
Finite element analysis of coupled phenomena in magnetorheological fluid devices
Wojciech SzelągThis paper deals with coupled electromagnetic, hydrodynamic and mechanical motion phenomena in magnetorheological fluid devices. The governing equations of these phenomena are…
Comparison of the Preisach and Jiles‐Atherton models to take hysteresis phenomenon into account in finite element analysis
Abdelkader Benabou, Stéphane Clénet, Francis PiriouIn this communication, the Preisach and Jiles‐Atherton models are studied to take hysteresis phenomenon into account in finite element analysis. First, the models and their…
Error bounds for the FEM numerical solution of non‐linear field problems
Ioan R. Ciric, Theodor Maghiar, Florea Hantila, Costin IfrimA bound for a norm of the difference between the computed and exact solution vectors for static, stationary or quasistationary non‐linear magnetic fields is derived by employing…
ISSN:
0332-1649Online date, start – end:
1982Copyright Holder:
Emerald Publishing LimitedOpen Access:
hybridEditor:
- Prof Jan Sykulski