COMPEL - The international journal for computation and mathematics in electrical and electronic engineering: Volume 17 Issue 1
Table of contents
Recent advances of automated optimal design in low‐frequency electromagnetics: A survey
P. Di Barba, A. SaviniThe main goal of this paper is to show the constant growth of recent research work on automated optimal design of low‐frequency electromagnetic systems by reviewing the current…
Computational electromagnetics: some conjectures for industrial and teaching requirements
J.K. Sykulski, C.W. TrowbridgeThe purpose of this paper is to examine the current situation in numerical field computation, paying special attention to the role of education in developing new ideas to meet the…
Accelerating the Robin iteration procedure by means of GMRES
S. Alfonzetti, G. Borzì, N. SalernoThe Robin iteration procedure is a technique for the FEM computation of electromagnetic scattering fields in unbounded domains. It is based on the iterative improvement of the…
An integral approach for 3D magnetostatic field calculation
M. BerlecThe paper shows a method for 3D magnetic field calculation. The method was developed from previously published 2D method of current sheets. The method is based on magnetic…
“Mixed” systems of algebraic equations in computational electromagnetism
A. BossavitDiscusses some general algorithmic problems encountered when solving linear systems in electromagnetism, such as, e.g. the well‐known difficulties linked with the curl‐curl…
A fuzzy approach to calculate the errors due to the subdivision rate in the Maxwell’s subareas method
G. Cannistrà, A. Covitti, R. Picerno, M. Sylos LabiniThe more the rate of sub‐division of the grid into subareas is high, the more the Maxwell’s sub‐areas method of studying the current field generated by a grounding grid is…
A fast boundary element method to electric field computation within the tank of power transformers
Jawad Faiz, Mansour OjaghiIn this paper, different shapes of the boundary surfaces within the power transformers are reviewed. The surface charge distribution function on the two surface elements, which…
Sensitivity evaluation methods of electromagnetic quantities with FE‐analysis
K.M. GawrylczykThe sensitivity analysis determines the influence of geometrical or physical parameters on some global or local quantities, used as objective function. Two different methods for…
Three dimensional generalised analysis of inclined‐slot coupled T‐junctions with a locally conformed pulsed finite‐difference time‐domain method
N.V. Kantartzis, T.V. Yioultsis, T.D. TsiboukisThe narrow‐wall inclined‐slot coupling between rectangular waveguides from an H‐plane T‐junction, is numerically analysed, for the first time, via a 3D generalised locally…
Stray field due to eddy currents on a cylinder with azimuthal cuts: A comparative analysis of the cut shape effect
A. Masiello, G. ZollinoThe paper deals with the design of azimuthal cuts on a conducting cylinder. It analyses the effect of various cut shapes in minimising the stray magnetic field in the cut region…
Movement simulation of voltage excited electromagnetic field in non‐linear electromagnetic device supplied with capacitor
Lech NowakDeals with the coupled field‐circuit simulation of the dynamic state of electromagnetic system with capacitors. Mathematical model of the dynamic phenomena includes: equation of…
Computation of 3D electromagnetic field and torques in spherical motors
Jiangjun Ruan, Shenhua Huang, Keding ZhouA spherical motor is a novel electromechanical device that has obtained worldwide attention for its attractive advantages. A general analysis of electromagnetic torque in double…
New programmes for teaching electromagnetics at the Master of Science and engineering degree courses
R. Sikora, S. GratkowskiThe Faculty of Electrical Engineering at the Technical University of Szczecin, Poland, provides education and training at a technical level as well as up to the Master of Science…
On the use of the FEM and BIE methods in the 3D magnetic field computation of the reactors with air gaps
K. Zakrzewski, B. TomczukThe calculation results of the 3D magnetic field in a reactor are examined using the computer packages TRACAL3 as well as OPERA3D. The first own package is based on the boundary…
Shape optimization of the magnetic channel of a superconducting cyclotron
G. Aiello, S. Alfonzetti, G. Borzì, S. Coco, N. SalernoIn this paper, the optimization of the shape of the magnetic channel inside a superconducting cyclotron is performed. The objective is to ensure a proper shaping and reduction of…
Optimal shape design of the HV winding of a test transformer
P. Di Barba, U. Piovan, A. SaviniIn the paper, attention is focused on a class of single‐phase transformers that are employed when a high‐voltage withstand test is required for verifying the quality of the…
Design optimization of variable frequency driven three‐phase induction motors
Bülent Ertan, Kemal Leblebiciogˇlu, Balkan S5ims5ir, Serdar Hamarat, Anil Çekiç, Murat PirgaipAn approach to optimize the design of three‐phase induction motors for a wide speed range drive is considered. Two operating points in the speed range are taken into…
Design of GIS insulators including small metal particle influence
Kemal Hot, Radovan TafraThe influence of accidentally left metal particles inside high voltage gas insulated switchgear was investigated using 3D finite element method for transient electric field with…
Field modelling and characteristics simulation in electromechanical transducers
A.H. Al‐Khoury, J.K. SykulskiThe main purpose of this paper is to discuss ways in which magnetic performance of electromechanical transducers can be simulated accurately using a series of finite‐element…
Design considerations for claw pole alternators for wind power applications
A.G. Kladas, M.P. Papadopoulos, J.A. TegopoulosThe paper presents a procedure for the design of claw pole alternators for small scale wind power applications. The method involves a preliminary design stage by means of the…
Optimal design by means of material derivative
Andrzej Krawczyk, Anna KwiatkowskaDeals with the method of shape optimisation that belongs to the class of methods called continuous gradient methods. The approach in question is based on the concept of the…
On the effective coupling of optimization algorithms to solve inverse problems of electromagnetism
Jacek Starzýnski, Stanisl§aw WincenciakThe hybrid optimization tool presented in this paper combines generational genetic algorithms (GA) and variable metric (VM) optimizers. Both GA and VM may deal with the same…
A 3D design optimisation of electromagnetic low‐voltage linear actuators based on FE force computation
Vlatko Stoilkov, Milan Cundev, Lidija PetkovskaExperience and exploring the linear AC and DC actuators confirm the necessity of the computation of forces distribution as the step preceding their optimal design. This paper…
ISSN:
0332-1649Online date, start – end:
1982Copyright Holder:
Emerald Publishing LimitedOpen Access:
hybridEditor:
- Prof Jan Sykulski