... in the design process to reduce the computational cost associated with solving such 3D-coupled multiphysics problems. Design/methodology/approach The procedure involves using the finite element (FE) method to generate a database of several skewed rotor pole surface-mounted permanent magnet synchronous...

.... A very common approach is to apply the 2D finite element (FE) method within a single stator slot while the magnetic field is assumed to be zero outside the slot perimeter (Boldea and Nasar, 2010). However, as shown in a recent investigation (Jorks et al., 2012), strong inductive coupling at high...

... information for designing a cold crucible that can induce a uniform magnetic field. Design/methodology/approach To obtain the characteristics of the magnetic field in a cold crucible and its influence on the directional solidification processing, based on experimental verification, 3‐D finite element (FE...

... of models are being used. The first is the well known drift‐diffusion model. The second is of the hydrodynamic type and the third is a combination of the two preceding models. The numerical treatment is based on the discretization by the Galerkin finite element method for both Poisson and continuity...

... nonlinear iterative algorithms, are critical for the overall efficiency of the nonlinear electromagnetic field solver. This paper presents an analysis of a variety of techniques that can be efficiently used to reduce the solution time of nonlinear magnetic field equations in large finite element method (FEM...

... shown in Figure 7, including an external layer of air, has been discretized by means of a regular grid of finite elements, namely triangles with quadratic variation of potentials; the total number of elements is ne = 950 approximately. The evolutionary optimizer calls a commercial code (MagNet...

... surface is calculated on a parametric geometry model by finite element techniques. The shape of the insulator and surrounding electrodes was improved fairly quickly using a direct search method with constraints. The results of optimization were verified by standard measurements on high voltage insulators...

... of a finite element method and an optimisation. The obtained results show that the adopted optimisation process is efficient for rapid and effective optimisation of the tubular linear motor. In the validation part the comparison is focused on local and integral quantities. A first analysis regards...

... are the phenomena which are used in general. In this case, the layout and arrangement of the excitation coils and receiving coils influences the effectiveness and accuracy crucially. This design optimization process can be done by simulating the electromagnetic field with a 3D finite element method. Once...

..., Rabat-Agdal, Morocco Keywords Finite element, Free boundary problems, Semiconductors, Shape optimization Abstract Electrical potentials in a junction field transistor can be calculated using a simplified model based on a complete depletion assumption. This gives rise to a free boundary problem. We show...

... of the equations is achieved by means of standard and mixed finite element methods. We apply the model and numerical algorithm to simulate a 2D AlGaAs/GaAs MODFET. Comparisons between expenrimental measurements and calculations are carried out. The influence of the modelling of the physical parameters, especially...

.... When a finite element discretization involving face and edge elements is applied, we have to solve a linear system whose algebraic treatment presents some difficulties. In the paper, the attention is focused on the computational aspects of the proposed methodology with special emphasis on the choice...

...G. Cannistrà; A. Covitti; M. Sylos Labini All the algorithms introduced by the authors in their finite‐element computational program for studying fields easily and quickly are described in the paper. Moreover, an application of the analysis of the thermal field to a three‐phase transformer...

...Adam Pelikant; Sl§awomir Wiak; Krzysztof Komęza This paper presents the results of silicon micromotor static and dynamic simulations by means of finite element method and the Moulton‐Adams algorithm as well. Capacitance and torque curves calculation. The virtual work principle has been applied...

...J.A. Dias Pinto; A. Paulo Coimbra; Paulo G. Pereirinha; C.F. Lemos Antunes In this paper the per phase inductance and the capacitance to neutral of a 220kV three‐phase overhead transmission line are calculated using a 2D finite element formulation. This study was performed considering the phase...

... for the identification of thermal parameters necessary for a coupled finite element model analysing the magneto‐thermal behaviour of an electromagnetic device. © MCB UP Limited 1998 Coupled phenomena Electromagnetics Finite element Thermal fields The problem of electromagnetic fields in materials...

...Krste Najdenkoski; Dionis Manov This paper aims to determine the electromagnetic forces acting in a power transformer, when a current corresponding to the first peak of a three‐phase circuit flows in the windings. The finite element method for the evaluation of the field’s values is applied...

...J.A.D. Pinto; A.P. Coimbra; C.L. Antunes; X.M.L. Fernández; M.P. Donsión In this paper the influence of the neutral in the thermal performance of a three‐phase squirrel cage induction motor fed by asymmetrical supply voltages is studied and analysed. A 2D finite element formulation was used...

...Damijan Miljavec The paper deals with the calculation and reduction of torque pulsation in synchronous reluctance motors (SRM). The analysis is based on finite element modeling and proposes a method of dynamic torque characteristic calculation. The mutual connection between static and dynamic...

... is investigated using the three dimensional finite element method. To prevent the flow of large fault current during fault or other abnormal condition such as short circuit, etc., use of some kind of fault current limiter (FCL) has become inevitable in power systems. The basic characteristics of an FCL...