COMPEL - The international journal for computation and mathematics in electrical and electronic engineering: Volume 36 Issue 5
Table of contents - Special Issue: Recent Advances in Computational Electromagnetics (IGTE 2016)
Guest Editors: Piergiorgio Alotto, Oszkár Bíró, David Lowther
Analysis and design of electrical machines with material uncertainties in iron and permanent magnet
Min Li, Mohammad Hossain Mohammadi, Tanvir Rahman, David LowtherManufacturing processes, such as laminations, may introduce uncertainties in the magnetic properties of materials used in electrical machines. This issue, together with…
Restricting the design space of multiple-barrier rotors of synchronous reluctance machines
Mohammad Hossain Mohammadi, Tanvir Rahman, David LowtherThis paper aims to propose a numerical methodology to reduce the number of computations required to optimally design the rotors of synchronous reluctance machines (SynRMs) with…
Rigorous time-domain analysis of statistically oriented graphene sheet fluctuations
Athanasios N. Papadimopoulos, Stamatios A. Amanatiadis, Nikolaos V. Kantartzis, Theodoros T. Zygiridis, Theodoros D. TsiboukisImportant statistical variations are likely to appear in the propagation of surface plasmon polariton waves atop the surface of graphene sheets, degrading the expected performance…
Explicit time integration of eddy current problems using a selective matrix update strategy
Jennifer Susanne Dutiné, Markus Clemens, Sebastian SchöpsDiscretizing the magnetic vector potential formulation of eddy current problems in space results in an infinitely stiff differential algebraic equation system that is integrated…
Optimal design of angular position sensors
Hubert Zangl, Lisa-Marie Faller, Wolfgang GranigThis paper aims to investigate the optimal placement and/or orientation of individual sensor elements within integrated angular position sensors, in particular magnetic sensors…
Harmonic balanced Jiles-Atherton hysteresis implementation for finite element simulation
Markus Wick, Matthias Jüttner, Wolfgang M. RuckerThe high calculation effort for accurate material loss simulation prevents its observation in most magnetic devices. This paper aims at reducing this effort for time periodic…
Frequency dependent resistance calculation of multiple conductors
Tomislav Župan, Bojan TrkuljaThe purpose of this paper is to present a method for calculating frequency-dependent resistance when multiple current-carrying conductors are present.
Non-iterative object detection methods in electrical tomography for robotic applications
Stephan Mühlbacher-Karrer, Juliana Padilha Leitzke, Lisa-Marie Faller, Hubert ZanglThis paper aims to investigate the usability of the non-iterative monotonicity approach for electrical capacitance tomography (ECT)-based object detection. This is of particular…
An efficient reformulation of a multiscale method for the eddy current problem
Markus Schöbinger, Karl Hollaus, Joachim SchöberlThis paper aims to improve the efficiency of a numerical method to treat the eddy current problem on a laminated material, where using a mesh that resolves each individual…
PCA based state reduction for inverse problems using prior information
Markus Neumayer, Thomas Bretterklieber, Matthias Flatscher, Stefan PuttingerInverse problems are often marked by highly dimensional state vectors. The high dimension affects the quality of the estimation result as well as the computational complexity of…
Stochastic LOD-FDTD method for two-dimensional electromagnetic uncertainty problems
Christos Salis, Nikolaos Kantartzis, Theodoros ZygiridisRandom media uncertainties exhibit a significant impact on the properties of electromagnetic fields that usually deterministic models tend to neglect. As a result, these models…
Efficient circuit representation of eddy-current fields
Yuji Shindo, Akihisa Kameari, Tetsuji MatsuoThis paper aims to discuss the relationship between the continued fraction form of the analytical solution in the frequency domain, the orthogonal function expansion and their…
An integral equation formulation with global series expansion for resonant wireless power transfer
Sándor Bilicz, József Pávó, Szabolcs Gyimóthy, Zsolt BadicsThe electromagnetic modeling of inductively coupled, resonant wireless power transfer (WPT) is dealt with. This paper aims to present a numerically efficient simulation method.
Thermo-electric simulation of battery-modules with reduced order modelling of linear electrical components
Franz Pichler, Niels Koester, Alexander ThalerThis paper aims to present a fully coupled thermo-electrical finite-element battery model with an applied model-order reduction. The model is used to analyse the thermal design of…
Stageless evaluation for a vector Preisach model based on rotational operators
Michael Nierla, Alexander Sutor, Stefan Johann Rupitsch, Manfred KaltenbacherThis paper aims to present a novel stageless evaluation scheme for a vector Preisach model that exploits rotational operators for the description of vector hysteresis. It is meant…
Experimental evaluation of numerical errors for multi-physics coupling methods using disparate meshes
Matthias Jüttner, Andreas Pflug, Markus Wick, Wolfgang M. RuckerMultiphysics problems are solved either with monolithic or segregated approaches. For accomplishing contrary discretisation requirements of the physics, disparate meshes are…
An optimization tool for coaxial magnetic gears
Mattia Filippini, Piergiorgio AlottoThis paper aims to show a complete optimization tool that can be used for the design of coaxial magnetic gears. In the first part, the paper deals with the semi-analytic modelling…
Simulation of electrical machines: a FEM-BEM coupling scheme
Lars Kielhorn, Thomas Rüberg, Jürgen ZechnerElectrical machines commonly consist of moving and stationary parts. The field simulation of such devices can be demanding if the underlying numerical scheme is solely based on a…
Rotating- and translating-coil magnetometers for extracting pseudo-multipoles in accelerator magnets
Stephan RussenschuckThe purpose of this paper is to establish the mathematical foundations of magnetic measurement methods based on translating-coil and rotating-coil magnetometers for accelerator…
Inrush current computations using an optimised analytical hysteresis model
Werner Renhart, Oszkár Bíró, Christian Magele, Kurt Preis, Alexander RabelThe purpose of this paper is the modelling and estimation of inrush currents while energising power devices under no load conditions. An analytical representation of the nonlinear…
ISSN:
0332-1649Online date, start – end:
1982Copyright Holder:
Emerald Publishing LimitedOpen Access:
hybridEditor:
- Prof Jan Sykulski