COMPEL - The international journal for computation and mathematics in electrical and electronic engineering: Volume 28 Issue 1

Development of accuracy‐enhanced time‐domain schemes for bi‐isotropic media and chiral metamaterials

The purpose of this paper is to conduct the accurate analysis and systematic characterisation of realistic generalised bi‐isotropic and lossy chiral metamaterial 3D applications…

On the shielding effectiveness of enclosures for transient near‐field sources

The purpose of this paper is to introduce and investigate a useful and practicable definition of the shielding effectiveness (SE) of enclosures for transient near‐field sources.

Current displacement in plane rectangular conductor: An analytical approach using BIE and separation

The purpose of this paper is to provide an analytical solution to the plane eddy current problem inside conductive bars with rectangular cross‐section.

Nonlinear eddy current analysis by line integral equations utilizing integral formulas of electromagnetic fields

The purpose of this paper is to supply a numerical analysis tool to solve eddy currents induced in nonlinear materials such as steel by boundary element method (BEM), and then…

Reduction of eddy current loss in magnetoplated wire

The purpose of this paper is to reduce eddy current loss in a wire that is affected by an alternating field passing through it. This allows the efficiency of transformers to be…

Eddy current brake with two pole pairs

The purpose of this paper is to derive a force‐velocity characteristic for an eddy current brake with minor computational effort.

3D movement simulation technique in FVM method application to eddy current non destructive testing

The purpose of this paper is to propose modelling 3D eddy current non destructive testing (EC NDT) problems by the finite volume method (FVM). Furthermore, the movement of the…

Dynamic vector magneto‐hysteretic E&S model considering eddy current effect

The purpose of this paper is to show formulation of a dynamic E&S model, which enables analysis of the effects of eddy currents under vector magnetic behavior in numerical…

Magnetic field analysis under complex approximation taking account of two‐dimensional magnetic properties

The purpose of this paper is to reduce computation time of magnetic characteristic analysis considering 2D vector magnetic properties.

Numerical modelling of electrostatic force microscopes considering charge and dielectric constant

The purpose of this paper is to present a hybrid numerical simulation approach for the calculation of potential and electric field distribution considering charge and dielectric…

Numerical computation of magnetic fields applied to magnetic force microscopy

The purpose of this paper is to introduce a method which allows the calculation of the interactions of tip and sample of a magnetic force microscope as a first step to increase…

Stationary multi‐species models of the electric corona discharge in oxygen

The purpose of this paper is to present a novel numerical algorithm, which can be used to simulate the stationary electric corona discharge in oxygen including some number of…

Modelling of Seebeck effect in electron beam deep welding of dissimilar metals

The purpose of this paper is to present a 3D model of deep welding of dissimilar metals and to show how to model the electron beam deflection due to thermoelectric fields caused…

Multilevel, one‐phase inverter with unequal voltage distribution

The purpose of this paper is to introduce a unique multilevel, one‐phase inverter (in the multiplied full‐bridge configuration, cascaded‐type) with unequal voltage distribution…

Modeling and parametrization of DC motor winding inductances

The purpose of this paper is to compare several methods to calculate solenoid inductances regarding their applicability to model the inductance of DC motor armature windings…

Torque characteristics of a BLDC motor with multipolar excitation

This paper deals with magnetic field calculations and model‐based prediction of electromagnetic torque pulsations in a brushless DC (BLDC) motor.

Activation and electro‐dynamic dampers, key technologies for the operation of superconducting magnetic bearings

The purpose of this paper is to focus on superconducting magnetic bearings (SMB). SMB for high‐speed rotors are contact free and offer inherently stable operations thus they are…

Analysis of non‐stationary electric signals using the S‐transform

The purpose of this paper is to compare the accuracy of tracking the amplitude and frequency changes of non‐stationary electric signals.

Numerical model of vagus nerve electrical stimulation

The electric stimulation of the vagus nerve is used to obtain therapeutic results in epilepsy, depression and Alzheimer diseases. The purpose of this paper is to show numerical…

Object shape virtualization in impedance tomography

The purpose of this paper is to introduce a method for increasing imaging quality in impedance tomography. The paper presents an optical method of shape virtualization, processing…

Gene selection for cancer classification

The purpose of this paper is to discover the most important genes generated by the gene expression arrays, responsible for the recognition of particular types of cancer.

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