COMPEL - The international journal for computation and mathematics in electrical and electronic engineering: Volume 24 Issue 2
Table of contents
Curl‐conform source fields in finite element formulations: Automatic construction of a reduced form
Patrick DularThis paper proposes an automatic procedure to characterize discrete source fields.
High order Nédélec elements with local complete sequence properties
Joachim Schöberl, Sabine ZaglmayrThe goal of the presented work is the efficient computation of Maxwell boundary and eigenvalue problems using high order H(curl) finite elements.
Analysis of iron loss under distorted elliptical rotating flux of SPM motor
N. Takahashi, A. Fukum, D. MiyagiIn this paper, a new method for estimating iron loss under a distorted elliptical rotating flux is proposed.
Robust and efficient FETI domain decomposition algorithms for edge element approximations
Andrea Toselli, Xavier VasseurA family of preconditioned dual‐primal FETI iterative algorithms for the solution of algebraic systems arising from edge element approximations in two dimensions is presented.
On robustness of edge‐based FE analysis using algebraic multigrid method
Kota Watanabe, Hajime IgarashiThis paper discusses the robustness of the algebraic multigrid (AMG) method as well as geometric multigrid (GMG) method against mesh distortion in edge‐based finite element…
Comparison of semi‐analytical and FEM solutions in a certain magnetic fluid dynamics problem
Marek Ziolkowski, Hartmut Brauer, Milko KuilekovTo provide a new semi‐analytical procedure which is much faster than FEM and for this reason can be applied in a reconstruction of an interface between two conducting fluids…
Statistical analysis in robust design of superconducting magnets
Marco Cioffi, Alessandro Formisano, Raffaele MartoneTo present a robust optimal design technique in the presence of system parameters uncertainties.
Qualification of the inverse problem of defect reconstruction using optimized mesh database
Szabolcs Gyimóthy, József PávóTo propose a novel method for defect reconstruction in electromagnetic non‐destructive testing (NDT).
An integral approach based on dual discretization and method of moment for the solution of static electric field
A. Canova, G. Gruosso, M. RepettoThe scope of the work is to provide an hybrid numerical technique for the solution of electric field.
Using domain decomposition techniques for the calculation of low‐frequency electric current densities in high‐resolution 3D human anatomy models
Andreas Barchanski, Markus Clemens, Herbert De Gersem, Till Steiner, Thomas WeilandImproved numerical calculation techniques for low‐frequency current density distributions within high‐resolution anatomy models caused by ambient electric or magnetic fields or…
Parallelized computation of compressed BEM matrices on multiprocessor computer clusters
André Buchau, Wolfgang Hafla, Friedemann Groh, Wolfgang M. RuckerVarious parallelization strategies are investigated to mainly reduce the computational costs in the context of boundary element methods and a compressed system matrix.
Algebraic properties of BEM‐FEM coupling with Whitney elements
B. Auchmann, S. Kurz, O. Rain, S. RussenschuckTo introduce a Whitney‐element based coupling of the Finite Element Method (FEM) and the Boundary Element Method (BEM); to discuss the algebraic properties of the resulting system…
Electric machine operational modeling utilizing coupled electromagnetic and electric drives simulations
O.A. Mohammed, Z. Liu, S. Liu, N.Y. AbedThe purpose of this research is to develop new techniques for component physical modeling for the dynamic simulation of integrated power systems.
Coupled field models in electromagnetic solids
Zsolt Badics, Zoltan J. CendesTo develop new and existing coupled thermal and mechanical models of electromagnetic solids for the simulation of coupled field problems based on a consistent theoretical and…
Band gaps in photonic crystals with dispersion
Zsolt Szabó, György Kádár, János VolkThe paper presents the band gap computation in one‐ and two‐dimensional photonic crystals built up from porous silicon. The frequency dispersion of the dielectric materials is…
Identification and simulation of a circuit‐based model of magnetic hysteresis
G. Gruosso, M. RepettoThe scope of the work is to provide an identification procedure for an hysteresis model based on nonlinear circuit cells.
Validation of a 3D macroscopic model for superconductors
Guglielmo Rubinacci, Fabio Villone, Walter ZamboniTo provide a validation of a three‐dimensional (3D) macroscopic model for superconductors comparing numerical to experimental AC losses of a BSCCO‐2223 tape subject to an…
Reconstruction of the anisotropic complex conductivity distribution in 3D
B. Wagner, K. Hollaus, Ch. MageleThe aim of the work is to reconstruct the anisotropic complex conductivity distribution with the common Gauss‐Newton algorithm.
An analysis of magnetic shielding against DC power lines based on homogenization
H. Waki, H. Igarashi, T. HonmaTo analyze effectively magnetic shielding effects by shields with fine structure.
Simulation of the quasi‐static electric field by an electric current vector potential approximated by edge elements
K. Hollaus, B. Wagner, O. BíróThe aim of the present work is to find an efficient solution concerning the computational effort of quasi‐static electric field (QSEF) problems involving anisotropic conductivity…
A FEM‐BEM approach using level‐sets in electrical capacitance tomography
Bernhard Kortschak, Bernhard BrandstätterFor the spatial reconstruction of a two phase flow, as it might occur in a pipe, the main problem has always been the blurring of the resulting images.
Statistical robust design using the unscented transformation
Gerald Steiner, Daniel Watzenig, Christian Magele, Ulrike BaumgartnerTo establish a statistical formulation of robust design optimization and to develop a fast optimization algorithm for the solution of the statistical design problem.
A new procedure for reconstructing the aged regions of the ferromagnetic bodies
Ioan Florea Hantila, Cleante Petre Mihai, Costin Ifrim, Teodor LeucaThis paper presents an efficient procedure for reconstructing the aged region of ferromagnetic material.
Magnetic lenses for neutron beams
J. FüziTo provide information on magnetic lens design principles for neutron beam focussing and to characterize the efficiency of these devices.
Fast integral equation solution for electric field shielding
Bogdan Cranganu‐Cretu, Joerg Ostrowski, Zoran AndjelicTo provide first insight onto the application of hierarchical matrices and adaptive cross approximation (ACA) techniques for electromagnetic scattering problems.
Integration of multiple neural classifiers for heart beat recognition
Linh Tran Hoai, Stanislaw OsowskiThis paper presents new approach to the integration of neural classifiers. Typically only the best trained network is chosen, while the rest is discarded. However, combining the…
Closed‐loop control of switched reluctance generators
E.P. Kennedy, A.J. Murphy, M. Condon, J. DowlingThis paper deals with closed‐loop control of a switched reluctance generator (SRG).
Symmetrization of asymmetrical three‐phase load supplied from non‐ideal periodic non‐sinusoidal voltage source using simplified structure of the compensator
Krzysztof Dębowski, Marian PaskoThe problems presented in the paper concern a three‐phase four‐wire system with periodical non‐sinusoidal voltage sources with inner impedances and asymmetrical linear three‐phase…
Non‐negative matrix factorization and its application in blind sparse source separation with less sensors than sources
Yuanqing Li, Andrzej CichockiProposes a non‐negative matrix factorization method.
Transient analysis of nonlinear dynamic circuits using a numerical‐integration method
Michał Tadeusiewicz, Stanisław HałgasDeveloping an efficient second‐order integration method of transient analysis of nonlinear dynamic circuits which overcomes the main drawback of the trapezoidal rule.
ISSN:
0332-1649Online date, start – end:
1982Copyright Holder:
Emerald Publishing LimitedOpen Access:
hybridEditor:
- Prof Jan Sykulski