COMPEL - The international journal for computation and mathematics in electrical and electronic engineering: Volume 27 Issue 6

Application of a woodpile superstrate for directivity enhancement of antennas

The purpose of this paper is to investigate the role of electromagnetic band‐gap (EBG) materials in the enhancement of antennas' directivity.

Analysis and design of photonic crystal fibers: Solid and hollow core fibers through the finite element method

The aim of this paper is to show the effectiveness of the finite element method (FEM) to study the properties of different kinds of photonic crystal fibers (PCFs), presenting…

FE‐DD based permittivity tolerance analysis in microwave waveguide filters

The paper's aim is to devise a fast method for microwave waveguide filter permittivity tolerance analysis.

Numeric simulation of a therapeutic processing: Electrostimulation of bone rebuilding

A complete analysis for illustrating the various factors responsible for electrical stimulation can provide insight about some interaction effects relationship. The paper aims to…

An assessment by a commercial software of the accuracy of electromagnetic finite element simulators in the presence of metamaterials

The paper's purpose is to deduce additional information on the accuracy of finite element simulators for electromagnetic problems involving effective models of metamaterials.

BEM analysis of electromagnetic components filled with unconventional materials

To devise a parametric study using a new application of the boundary element method (BEM) and to propose an efficient approach for speeding up the computation time of the BEM…

A GMRES iterative solution of FEM‐BEM global systems in skin effect problems

This paper aims to extend an efficient method to solve the global system of linear algebraic equations in the hybrid finite element method – boundary element method (FEM‐BEM…

Finite element modelling of a thin‐film bulk acoustic resonator (FBAR)

The paper aims to propose a three‐dimensional (3D) finite element analysis to evaluate the electrical performances of a FBAR (thin‐film bulk acoustic resonator) resonator.

Hybrid finite element/finite difference (FE/FD) model to analyze thermal transients in biological vascularized tissues

The aim of the paper is to apply a numerical dosimetry procedure to a biological tissue with an embedded discrete vascularisation in order to evaluate the temperature increase…

Large‐signal device simulation in time‐ and frequency‐domain: a comparison

The aim of this paper is to compare the most common time‐ and frequency‐domain numerical techniques for the determination of the steady‐state solution in the physics‐based…

Distributed computing finite element electromagnetic analysis of traveling wave tubes

The paper's aim is to focus on the utilization of the GRID distributed computing environment in order to reduce simulation time for parameter studies of travelling wave tube (TWT…

Quality improvement of 3‐D FE mesh by a BCA approach

The aim of this work is to show how evolutionary computation can improve the quality of 3D‐FE mesh that is a crucial task for field evaluations using 3‐D FEM analysis.

Educational value of the algebraic numerical methods in electromagnetism

The aim of this paper is to highlight the educational value of algebraic numerical methods with respect to traditional numerical techniques based on differential formulation.

Matricial techniques in the analysis of DFB laser structures

The aim of this paper is to develop simulation tools for the analysis of modified structures of distributed feedback (DFB) laser diodes adequate for single longitudinal mode (SLM…

Symmetrical and Clarke‐Park transformations for four‐phase systems

To provide a unified analytical tool for the theoretical and practical analysis of four‐phase systems under sinusoidal condition but also under dynamic condition and to understand…

Adaptive neural network based controller for direct torque control of PMSM with minimum torque ripples and EMI noise reduction

The paper aims to provide an adaptive neural network controller for permanent magnet synchronous motor (PMSM) under direct torque control (DTC) algorithm to minimize the torque…

Novel Padé‐based algorithms for numerical integration of ODEs

The paper aims to propose several new approaches for the discrete‐time integration of stiff non‐linear differential equations.

Nonlinear transformer model in the frequency domain and with symmetrical components

The aim is to develop a nonlinear transformer model to achieve an accurate model to obtain the frequency components of the magnetizing current based on the harmonic voltages at…

Monte Carlo method application to evaluate the infinite integrals of underground cable earth‐return path impedance

To find an easy and accurate method for evaluating the Pollaczek's integral in earth‐return path impedance calculation.

Locally coupled magneto‐mechanical model of electrical steel

The purpose of this paper is to find out how to model the effect of mechanical stresses on the magnetic properties of electrical steel used in electromagnetic devices and…

Determining the range of real eigenvalues for the interval generalized eigenvalue problem

To suggest a polynomial complexity method for determining the range of real eigenvalues in the case of the generalized eigenvalue problem when the elements of the matrices…

Guest editorial