mpumag 2007Aachen, Germany

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Conference Proceedings

Volume I

Monday, June 25th16th International Conference on the

Computation of Electromagnetic FieldsJune 24-28, 2007

Aachen, Germany

Local Organising Comittee:

Kay Ham eyerEnno Lange

Frangois HenrotteDirk van Riesen

Editorial Board Chairmen:

Patrick Dular

Stefan Kurz

Version from May 14, 2007

Contents

Technical Program III

Sunday, June 24th Ill

Welcome reception and exhibition Ill

Monday, June 25th IllOC - Opening Ceremony Ill0A1 - Computational Electromagnetism IllPA1 - Electrical Machines and Drives Ill

PA2 - Software methodology - Solvers and Preconditioners ... VPA3 - Hysteresis - Magnetic Materials VIIPA4 - Formulations - TEAM Workshop IX0A2 - Coupled Problems - Multiphysics XIPA5 - Electrical Machines and Drives XII

PA6 - Numerical Techniques XIV

PA7-Multiphysics - MEMS - Nanomagnetics XVIPA8 - Plasma - Superconductivity XVIII

Tuesday, June 26th XXI

OB1 - Bioelectromagnetism XXI

PB1 - Electrical Machines and Drives XXI

PB2-Optimisation XXIIIPB3 - Formulations - Education XXVI

PB4-RF Applications XXVIII

0B2 - Numerical Techniques - TEAM workshop XXIXPB5 - Bioelectromagnetism XXIXPB6 - Nondestructive Testing - Sensors XXXIPB7-Numerical Techniques XXXIIIPB8 - Electrical Machines and Drives XXXV

Wednesday, June 27th XXXIXOC1 - Optimisation - Software Methodology XXXIX

PC1 - Electrical Machines and Drives XXXIX

PC2 - Numerical Techniques XLI

PC3 - Optimisation - Inverse Problems XLIIIPC4 - Multiphysics XLVI

OC2 - Energy - Forces - RF Applications XLVIIPC5-Numerical Techniques XLVIII

PC6 - Optimisation - Inverse Problems L

PC7 - Mathematical Methods LII

PC8 - Hysteresis - Magnetic Materials LIV

Thursday, June 28th LVIIOD1 - Mathematical Formulations - New Materials LVII

PD1 - Electrical Machines and Drives LVII

I

PD2 - Numerical Techniques LIX

PD3 - Optimisation - Inverse Problems LX

PD4 - Electromagnetic Compatibility LXII

OD2 - Electrical Machines and Drives LXV

CC - Closing Ceremony LXV

Abstracts1

Author's Index By Pagei

Author's Index By Session xxvii

ii

mpumag 2007 Of ROTHAachen, Germany

INSTITUTE OF ELECTRICAL MACHINESCHAIR OF ELECTROMAGNETIC ENERGY CONVERSION

RWTH AACHEN UNIVERSITY

Technical Program1

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\ ^jtf. >•" I ' l,} welcome reception**f lobby*1 »Ws.I V

it M» OA1 - Computational Electromagnftism^ -*- euro^a saal •i t» p'i\ * % PA1 - Electrical Machines and Drives!^* Balustrade-,

10 30-12.10 Session chair: Andrzej Demenko, Patrick Kuo-Peng

PA1-1 Synchronous Generator Excitation System Electromagnetic Designe 11and AnalysesLivio Susnjic, Croatia

x*indicates a paper in the top 10% of review scores

III

PA1-2 Analysis of PWM Vector Controlled Squirrel Cage Induction Motor 13

during Eccentricity Rotor Motion Using FEM

Mi-Jung Kim, Byung-Kuk Kim, Ji-Woo Moon, Yun-Hyun Cho, Don-Ha

Hwang, Dong-Sik Kang, South Korea

PA1 -3 Comparison of Six-DOF Planar Actuator Topologies 15

J.W. Jansen, C.M.M. van Lierop, E.A. Lomonova, A.J.A. Vandenput,Netherlands

PA1 -4 Design of a new outer-rotor permanent-magnet hybrid machine for 17

wind power generationChunhua Liu, K.T. Chau, and J.Z. Jiang, China

PA1-5 Eddy-current Loss Analysis of a Double-stator Permanent-magnet 19

Brushless DC Machine

Shuangxia Niu, K.T. Chau, Dong Zhang, and J.Z. Jiang, China

PA 1 -6 Prediction ofEddy Current Losses in Soft Magnetic Composite Com- 21

ponents of Electrical Machines

Arndt Kelleter, Anton Paweletz, Hans-Georg Herzog, Germany

PA1-7 Influence of Ferromagnetic Materials of the Magnetic Core on Iron 23

Losses in Small-Power Induction Motors

Krzysztot Makowski, Poland

PA1-8 3D Finite-Element Determination of Multi-Port Network Models for 25

Transformer Calculations

R. Escarela-Perez, S.V. Kulkarni, E. Melgoza, Mexico

PA1 -9 A Compact Wind-power Permanent-magnet Generator Using Mag- 27

netic GearingK.T. Chau, Dong Zhang, Linni Jian, J.Z. Jiang, and Yuejin Zhang,China

PA1 -10 Helical winding's magnetic field in power transformers 29Zarko Janic, Zvonimir Valkovic, Zeljko Stih, Croatia

PA1-11 Identification of Electromagnetic Torque Model for Induction Ma- 31chines with Numerical Magnetic Field SolutionAnna-Kaisa Repo, Paavo Rasilo, Asko Niemenmaa, Antero Arkkio,Finland

PA1 -12 3D Magneto- Thermal Coupled-Field Analysis of a High-Speed Claw 33Pole Motor with Rotational Core Loss Included

Yunkai Huang, Jianguo Zhu, Qiansheng Hu, China

PA1-13 Flux Weakening Analysis of a Novel Composite-rotor Synchronous 35Motor

Xiuhe Wang, Changqing Zhu, Yubo Yang, Ran Zhang, China

PA1 -14 Analysis ofStructural Deformation and Vibration by Magnetostriction 37

Considering Differences of Magnetic Material propertiesWataru Kitagawa, Koji Fujiwara, Yoshiyuki Ishihara, Toshiyuki To-

daka, Japan

PA1-15 The Analysis of High Speed low core loss Permanent Magnet Motor 39Based on Soft-Magnetic Ferrite

Wang Xinghua, Fang Xue, Guo Yingjie, Wang Xiuhe, China

PA1-16 A Novel Flux-Weakening Structure of High-Speed Permanent Mag- 41

net Motor based on Soft-Magnetic Ferrite

Wang Xinghua, Fang Xue, Guo Yingjie, Wang Xiuhe, China

PA1-17 Design of an Ultra-Small Tubular Type Linear Actuator for Mobile 43

Phone Cameras

In-Soung Jung, Jin Hur, and Ha-Gyeong Sung, South Korea

PA1-18 Transient Torque Analysis of Electromagnetic Impact Drive Mecha- 45

nism Taking Into Account Motion EquationTomohiro Ota, Yoshio Mitsutake, Yuya Hasegawa, Katsuhiro Hirata,Toshimitsu Tanaka, Yoshihiro Kawase, Tadashi Yamaguchi, Japan

PA1-19 3-D Finite Element Analysis of Effects of Friction Force on Dynamic 47

Characteristics of Linear Actuator

Tadashi Yamaguchi, Yoshihiro Kawase, Takanori Takemoto, KenjiSuzuki, Japan

PA1 -20 Voltage Driven Transient Finite Element Analyses for Design Studies 49

on Low Voltage Contactors

Erich Schmidt, Andreas Degwerth, Austria

PA1-21 A Microscopic Analysis of Saturation Effects in a Switched Reluc- 51

tance Machine

Wei Jiang, Babak Fahimi, Mehdi Moallem, United States

PA1-22 Fast transient simulation for electromechanical actuators 53

Bertrand Du Peloux, Laurent Gerbaud, Vincent Leconte, Frederic

Wurtz, Frederic Dorschner, France, Metropolitan

PA2 - Software1 methodology - Solvers and Preconditioned balustrade

10:30-12:10 Session chair: Manfred Kaltenbacher, Domenico Lahaye

V

*PA2-1 Auxiliary Space Preconditioning for Edge Elements 55

Ralf Hiptmair, Jinchao Xu, Switzerland

PA2-2 A domain decomposition strategy for solving time-harmonic 57

Maxwell's equations discretized by a discontinuous Galerkin method

Victorita Dolean, France

PA2-3 Convergence Characteristics of Preconditioned MRTR Method in III- 59

conditioned Magnetic Field ProblemN. Takahashi, A. Muraoka, D. Miyagi, S. Fujino K. Miyata and K.

Ohashi, Japan

*PA2-4 Local Fourier analysis of multigrid for the curl-curl equation 61Tim Boonen, Jan van Lent, Stefan Vandewalle, Belgium

PA2-5 Similarities between Implicit Multigrid Method and A-phi Formulation 63in Electromagnetic Field AnalysisTakeshi Iwashita, Takeshi Mifune, and Masaaki Shimasaki, Japan

PA2-6 Improvement of ICCG Convergence for Thin Elements in Magnetic 65Field Analyses Using Finite Element MethodAkihisa Kameari, Japan

PA2-7 Nonlinear Finite Element Analysis with Magnetic Scalar Potential as 67

an Unknown Using Line-Search and an Algebraic Multigrid Precon-ditioner

Takeshi Mifune, Takeshi Iwashita, Masaaki Shimasaki, Japan

PA2-8 On the Choice of Krylov Method for the Acceleration of the Domain 69

Decomposition Method in ElectromagneticsVineet Rawat, Kezhong Zhao, Seung-Cheol Lee, Jin-Fa Lee, UnitedStates

PA2-9 A Parallel Preconditioned Conjugate Gradient Method for FEM 71Kota Watanabe and Hajime Igarashi, Japan

PA2-10 On effect ofpreconditioning in edge-based finite element method 73

Hajime Igarashi and Nobito Yamamoto, Japan

PA2-11 Collaborative Visualization System for Comb-Drive MEMS Modeling 75and Simulation

Junwei Lu.Ye Yang and Nanye Xiao, Australia

PA2-12 A Texture Method for Imaging Planar Magnetic Field 77

Jianyun Chai, Zhao Yu, China

VI

PA2-13 Visualization of Eddy Current Field on Conductor Surfaces 79

Jianyun Chai, Guo Wei, Zhao Yu, Tang Zesheng, China

*PA2-14 Allocation Method of Magnetic Flux Lines Using Bubble System for 81

Magnetic Field VisualizationMasashi Hirahatake, So Noguchi, Hajime Igarashi, Hideo Yamashita,Japan

PA2-15 Automatically Differentiating a Two-dimensional Finite-Difference 83

Time-Domain ProgramH. Martin Bucker, Andre Vehreschild, Germany

PA2-16 Development ofa Computational System for Actuators Design 85

Joao P. A. Bastos, Andre K. Aguillar, Nelson Sadowski, Nelson J.

Batistela, Brazil

PA2-17 A Delaunay Refinement Algorithm Using an Initial Pre-refinement 87

from the Boundary MeshMauro Massayoshi Sakamoto, Jose Roberto Cardoso, Jose Marcio

Machado, Mauricio Salles, Brazil

PA2-18 Parallel and Internet Distributed Computing using Web Service for 89

Stochastic Optimization Problem

Cheol-Gyun Lee, Myung-Soo Cho, Hyoung-Gu Huh, Sang-Yong

Jung, Hyun-Kyo Jung, South Korea

PA2-19 Heterogeneity and Loosely Coupled Systems in Electromagnetic De- 91

Wee AnalysisAhmed Almaghrawi, David A. Lowther, Canada

PA2-20 A Methodology for Performance Modeling, Simulation and Validation 93

of Parallel 3-D Finite Element Mesh Refinement with Tetrahedra

Dennis Giannacopoulos, D. Q. Ren, C Park, B. Mirican, S. Mcfee,

Canada

5,

*'''**• ,i\' 'I PA3-Hysteresis-Magnetic Materials *v balustradex* "1

10:30-12:10 Session chair: Luc Rafael Dupre, Stephane Clenet

PA3-1 On Hysteresis of Soft Materials inside Formulations: Delayed Diffu- 95

sion Equations, Fields Coupling and Non-Linear PropertiesOlivier Maloberti, G. Meunier, V. Mazauric, A. Kedous-Lebouc,

France

PA3-2 On a vectorial Preisach operator 97

Kristina Loschner, Volker Rischmuller, Martin Brokate, Germany

VII

-3 Parameters affecting ferroresonance in LCR electric circuits 99E. Barbisio, O. Bottauscio, M. Chiampi, G. Crotti, D. Giordano, Italy

PA3-4 Accelerated 3D numerical scheme for the evaluation of hysteresis in 101

ferromagnetic grainsBen van De Wiele, Luc Dupre, Femke Olyslager, Belgium

PA3-5 Numerical model for the determination of hysteresis loss through the 103

drag force methodPeter Sergeant, Luc Dupre, Lode Vandenbossche, Ivan Garshelisand Stijn Tollens, Belgium

*PA3-6 Several Isotropic Vector Play Models and Their Rotational Hysteresis 105Losses

Tetsuji Matsuo, Masaaki Shimasaki, Japan

*PA3-7 Comprehensive Dynamic Loss-Model of Electrical Steel Applied to 107FE Simulation of Electrical Machines

Anouar Belahcen, Antero Arkkio, Finland

PA3-8 Modelling of dynamic hysteresis loops using the Jiles-Atherton for- 109malism

Krzysztof Roman Chwastek, Jan Szczygiowski, Poland

PA3-9 Novel Method for Modelling of Dynamic Hysteresis 111

David Ribbenfjard, Goran Engdahl, Sweden

PA3-10 Simulation of magnetization at finite temperature by the Metropolis 113method

Onishi Tatsuo, K. Shiiki, Japan

PA3-11 Experimental Validation of Electromagnetic Field Computation in 115

Highly Non linear Magnetic Materials

Valentin lonita, Bogdan Cranganu-Cretu, Eros-Alexandru Patroi, andVlad Galea, Romania

PA3-12 Numerical Treatment of Material Hysteresis at Finite Element Mag- 117netic Field Calculation and some Solutions of the Problems Appear¬ing at the CalculationMarko Jesenik, Viktor Gorican, Mladen Trlep, Anton Hamler, BojanStumberger, Slovenia

PA3-13 Vector Hysteresis Under Non-sinusoidal Induction Waveforms: Mod- 119

eling and ExperimentationJean Vianei Leite, P. A. Da Silva Jr, Nelson Sadowski, Nelson J.

Batistela, Patrick Kuo-Peng, Joao P. A. Bastos, Brazil

PA3-14 Magnetization Process Simulation of Anisotropic Permanent Mag- 121nets by using Three-Dimensional VMSW MethodYasushi Nakahata, T. Todaka, M. Enokizono, Japan

*PA3-15 Comparison of magnetostriction models for use in calculations of vi- 123brations of magnetic coresTom Hilgert, Lieven Vandevelde and Jan Melkebeek, Belgium

PA3-16 Electromagnetic relay modelling: a multiphysics problem. Part 2: Dy- 125namical behavior of the relayMane-Ange Raulet, Fabien Sixdenier, Romain Marion, Rene Goyet,Guy Clerc, Farid Allab, France

PA4 - Formulations - TEAM Workshop balustrade

10:30-12:10 Session chair: Oszkar Biro, Saku Mikael Suuriniemi

*PA4-1 Estimating the eddy-current modelling error 127

Kersten Schmidt, Oliver Sterz, Ralf Hiptmair, Switzerland

PA4-2 Current calculation with Spectral Stochastic Finite Element Method 129Electrokinetic Problem

Roman Gaignaire, Stephane Clenet, Olivier Moreau, Bruno Sudret,France

PA4-3 A Coupled Thermo-Electromagnetic Formulation Based on the Cell 131

Method

P. Alotto, M. Bullo, M. Guarnieri, F. Mora, Italy

*PA4-4 Hierarchical FIT/FE Discretization for Dielectric Subcell Interfaces 133

Herbert De Gersem, Rolf Schuhmann, Stefan Feigh, Thomas Wei-

land, Belgium

*PA4-5 Hybrid finite-element, spectral-element discretization for translatory 135

symmetric model parts

Stephan Koch, Herbert De Gersem, Thomas Weiland, Belgium

*PA4-6 Differential Material Matrices for Laminated, Nonlinear Materials 137

Herbert De Gersem, Inna Munteanu, Thomas Weiland, Belgium

PA4-7 Hybrid FEM-BEM, CAD Integrated Magnetostatics 139

J. Ostrowski, B. Cranganu-Cretu, F. Kramer, R. Hiptmair, J. Smajic,A. Blaszczyk, Switzerland

IX

PA4-8 Nonlinear Eddy Current Analysis of a Thin Steel Plate by Boundary 141

integral EqauationsHagino Fujita and Kazuhisa Ishibashi, Japan

PA4-9 On the Concise Analytical Model Computations of an In-mold Elec- 143

tromagnetic Stirrer

Cheng-Tsung Liu, Yen-Ming Chen, Taiwan

PA4-10 Error Evaluation of Surface Impedance Boundary Conditions with 145

Magnetic Vector Potential Formulation on a Cylindrical Test Problem

Bernhard Wagner, Werner Renhart, Christian Magele, Austria

PA4-11 A Polynomial Approach for the Construction of Hierarchic Hcurl- 147

Conforming Finite Elements on Hybrid MeshesCedric Doucet, Isabelle Charpentier, J.-L Coulomb, C. Guerin,France

PA4-12 Fluxes, Inductances and their numerical computations 149

Frangois Henrotte and Kay Hameyer, Germany

*PA4-13 Time-Domain Finite-Element Modelling of Thin Electromagnetic 151

Shells

Johan Gyselinck, Ruth V. Sabariego, Patrick Dular, Belgium

*PA4-14 A Parallel Meshless Formulation for h-p Adaptive Finite Element 153

AnalysisSteve Mcfee and Donglin Ma, Canada

PA4-15 An Efficient High Order Extrapolation Procedure for Multi-aspect 155

Electromagnetic Scattering AnalysisAdrian Ngoly and Steve Mcfee, Canada

PA4-16 Perturbation finite element method for skin and proximity effects 157

Patrick Dular, Ruth V. Sabariego and Laurent Krahenbuhl, Belgium

PA4-17 An Iterative Finite Element Perturbation Method for Computing Elec- 159trostatic Field Distortions

Mohamed Boutaayamou, Ruth V. Sabariego and Patrick Dular, Bel¬gium

PA4-18 Graphite Levitation over four Magnets: Benchmarking Micrometer 161

Dia-Magnetic ModelingH. Chetouani, LH. Rakotoarison, B. Delinchant, G. Gruosso,

A.Canova, M.Repetto, France

PA4-19 A Computationally Efficient Finite Element Analysis Algorithm Con- 163

sidering Two-Dimensional Magnetic PropertiesYingying Yao, Chang Seop Koh, China

PA4-20 Discussion ofthe TEAM9-1 Problem and the Application ofthe hybrid 165Finite Element Method and Finite Volume Method

Yan Gan, Ruan Jiangjun, Zhang Yu, China

PA4-21 A Benchmark for Combinatorial and Multi-level Optimization of a 167

Safety Isolating TransformerTuan-Vu Tran, Stephane Brisset, Pascal Brochet, France

PA4-22 SMES Optimization Benchmark Extended: Introducing Uncertainties 169and Pareto Optimal Solutions into TEAM22P. Alotto, U. Baumgartner, F. Freschi, M. Jaindl, A. Kostinger, Ch.

Magele, W. Renhart, M. Repetto, G. Steiner, Austria

PA4-23 A Head Model for the Calculation of SAR and Temperature Rise In- 171duced by Cellular PhonesJaime Arturo Ramirez, Ana O. Rodrigues, Lucas Malta, Juliano J.

Viana, Luiz O.C. Rodrigues, Brazil

( OA2 - Coupled Problems - Multiphysics europasaau

13:50-15:30 Session chair: Zsolt Badics, Ruth V. Sabariego

*OA2-1 Coupling Between a 3D Integral Eddy Current Formulation and a Lin- 173

earized MHD Mode! for the Analysis of Resistive Wall Modes

R. Albanese, YQ. Liu, A. Portone, G. Rubinacci, F. Villone, Italy

*OA2-2 Implementation of an Anisotropic Vector Hysteresis Model In a 3D 175Finite Element Code

Jean Vianei Leite, Abdelkader Benabou, Nelson Sadowski,

Stephane Clenet, Joao P. A. Bastos, Francis Piriou, Brazil

*OA2-3 Computer Modelling of Liquid Crystal Hydrodynamics 177Richard James, Eero Willman, F. Anibal Fernandez and Sally E. Day,United Kingdom

*OA2-4 Evaluation of Detecting Method with ac and dc Excitations of Oppo- 179

site Side Defect in Steel using 3D Non-Linear FEM Taking Account

of Minor Loop

Yuji Gotoh and Norio Takahashi, Japan

XI

OA2-5 Modelling Moving Electric Arcs: Verification of a Coupled Fluid- 181

Dynamics Magnetostatic ApproachBernhard Kubicek, Karl Berger, Austria

15:50-17:30 Session chair: Silvio Ikuyo Nabeta, Christoph Schlensok

PA5-1 Electromagnetic relay modelling: a multi-physics problem Part 1: 183

Modelling of the geometryFabien Sixdenier, Mane-Ange Raulet, Romain Marion, Rene Goyet,Guy Clerc, Farid Allab, France

PA5-2 Dynamic Analysis of Linear Resonant Actuator Driven by DC Motor 185

Taking into Account Contact Resistance between Brush and Com¬mutator

Satoshi Suzuki, Tadashi Yamaguchi, Yoshihiro Kawase, Katsuhiro Hi-

rata, Tomohiro Ota, Yuya Hasegawa, Japan

PA5-3 Inclusion of Moving Conductors in the Dynamic Analysis of Linear 187

Synchronous MachinesH.T. Yu, S.L Ho, M.Q. Hu, K.W.E. Cheng, Hong Kong

PA5-4 Shape Optimization ofa Permanent Magnet Linear Synchronous Mo- 189tor having 9 Pole 10 Slot Structure for Detent Force Reduction

Sung Whan Youn, Young Hwan Eum, Sun-Ki Hong, Chang SeopKoh, South Korea

PA5-5 Variations of active magnetic bearings linearized model parameters 191

analyzed by finite element computationBostjan Polajzer, Gorazd Stumberger, Jozef Ritonja, Drago Dolinar,Slovenia

PA5-6 Parallel Time-stepped Analysis of Induction Machines With Newton- 193

Raphson Iteration and Domain DecompositionYang Zhan and A.M. Knight, Canada

PA5-7 Comparison ofthe Torque Production Capacity of Short Pitched and 195Fully Pitched Outer Rotor Switched Reluctance MotorMehmet Aytac Cinar, Feriha Erfan Kuyumcu, Turkey

PA5-8 Revisited Magnetic Equivalent Circuit Method for Predicting the 197Characteristics of Highly Saturated Electromagnetic Devices:FluxRatio Criterion TechniqueAli Deihimi, Iran

XII

PA5-9 Study of a new hybrid synchronous generator for islanded users 199Leonard Livadaru, Al. Simion, A. Munteanu, D. Lucache, R.

Hanganu, Romania

PA5-10 The Effect of Geometrical Variations on Dipole Strength in Perma- 201nent Magnet Machines

Sheppard Salon, Meng Fang, United States

PA5-11 Finite-Element Analysis of Unbalanced Magnetic Pull in A Large 203

Hydro-Generator Under Practical OperationsLin Wang, Richard Cheung, Zhiyun Ma, Canada

PA5-12 A Simplified Method to Predict the EMF Characteristics of Multi-disk 205

Axial-gap PM Motor using 2D& 3D FEMKim Young Kwan, Ju Lee, South Korea

PA5-13 Characteristic Analysis of Contact-less Energy Transmission System 207

for Linear Servo Motor Considering Electric Circuit

Kyungil Woo, Hanseok Park, Hyongbum Park, South Korea

PA5-14 Flyback Converter Analysis Based on the Time-stepping Finite Ele- 209

mentAnalysis of Electromagnetic Field Coupled with Hysteresis andCircuit EquationsJiaxin Chen, Jianguo Zhu, Youguang Guo, and Zhiwei Lin, Aus¬

tralia

PA5-15 An Improved FEA-based Phase Variable Model for Dynamic Perfor- 211

mance Analysis of PM Brushless DC MotorsY. G. Guo, J. X. Chen, J. G. Zhu, H. Y. Lu, H. W. Lu and J. X. Jin,

Australia

PA5-16 3D Finite Element Analysis of Coupled Eddy Currents and Tempera- 213

tures in End Regions of a Large Turbine-generatorHaixia Xia.Yingying Yao, Man Nie, Shiyou Yang, GuangzhengNi,Xubiao Liang, Zhelong Xian, China

PA5-17 Eddy Current Analysis Considering Lamination for Stator Core Ends 215

of Turbine Generators

Katsumi Yamazaki, Shin Tada, Japan

PA5-18 Study of Spherical Resonant Actuators 217

Hasegawa Yuya, Yoshio Mitsutake, Tomohiro Ota, Tadashi Ya-

mamoto and Katsuhiro Hirata, Japan

XIII

PA5-19 Dynamic Characteristics Analysis in A Pole Changing Memory Motor 219

Using Coupled FEM & Preisach ModelingMyoung Ki Lee, Min Myung Lee, Jung Ho Lee, Jang-Sung Chun,South Korea

PA5-20 Calculation of Eddy Current Field in the Ascending Flange for the 221Bushings and Tank Wall of a Large Power TransformerSiu-Lau Ho, Yan Li, R.Y. Tan, Chris Ho-Ching Wong, Hong Kong

PA5-21 Calculation of the Transient Field and Short Circuit Forces in a Large 223Power Transformer by Using T-Tsubo-Omega Coupled ModelSiu-Lau Ho, Yan Li, R.Y. Tang, Edward Wai-Chau Lo, K.W.E. Cheng,Hong Kong

PA5-22 A Novel Computation Method of Circuit Parameters Based on Re- 225

volving Field Theory for a Single-Phase Induction Motor

Byung-Taek Kim, Soo-Whang Baek, Byung-ll Kwon, Gyu-HongKang, South Korea

PA5-23 Analysis of Torque Components and Skew Effects In a Single-Phase 227Line Start Permanent Magnet Motor Using FEM

Byung-Taek Kim, Byung-ll Kwon, Dae-Kyong Kim, South Korea

Mlffiffif4\iA? PA6 - Numerical Techniques' balustrade; ^ * fM?;, *§S»

15:50-17:30 Session chair: Markus Clemens, Piergiorgio Alotto

PA6-1 An Enhanced Multigrid Method for fast Numerical Computation of 229Vector Potential in a Coaxial Cable

Thiruchelvam Arudchelvam, D. Rodger, S.R.H. Hoole, Sri Lanka

PA6-2 Analysis of an electromagnetic brake considering eddy currents, me- 231chanical motion and magnetic non-linearitySlawomir Jan Stepien, Grzegorz Szymanski, Jakub Smykowski,Poland

PA6-3 Numerically Investigating the Propagation Properties ofArbitrary Di- 233electric Waveguides without Using Absorbing BoundaryJian-Guo Ma and Erping Li, China

PA6-4 Time-Domain Modeling of Radar Assessment of Concrete: a Para- 235metric StudyLucas Travassos, Nathan Ida, Christian Vollaire and Alain Nicolas,France

XTV

PA6-5 Coupling Between Electric and Magnetic Circuit Using Surface Cur- 237rent Method

Mehdi Arehpanahi and Jafar Milimonfared, Iran

PA6-6 Semi-analytic Solution for a Simple Model of Inrush Currents in 239Transformers

Marcelo Grafulha Vanti, Savio L. Bertoli, Sergio H. L. Cabral, AntonioG. Gerent Jr., Patrick Kuo-Peng, Brazil

PA6-7 Analysis and faster computation of the coefficient matrix of the Finite 241Network Method in case of electrostatics

Abbas Farschtschi, Michael Pfefferkorn, Andre Eppler, Germany

*PA6-8 Singular tetrahedral finite elements of high order 243J. P. Webb, Canada

*PA6-9 Finite Element Modeling of Evanescent Modes in the Stopband of 245Periodic Structures

Amirali Tavallaee, Jon P. Webb, Canada

PA6-10 Surface Impedance Boundary Condition for the Complex Nonstan- 247

dard FDTD Method

Tadao Ohtani, Kenji Taguchi, Tatsuya Kashiwa, Yasushi Kanai, Japan

PA6-11 Wideband Analysis Using the Nonstandard FDTD Method 249

Tadao Ohtani, Kenji Taguchi, Tatsuya Kashiwa, Yasushi Kanai, Japan

PA6-12 Circuit method for conductive and ferromagnetic materials 251

Peter Sergeant, Luc Dupre and Jan Melkebeek, Belgium

PA6-13 Computation of higher order spatial derivatives in the multiscale ex- 253

pansion of electromagnetic fieldproblemsOriano Bottauscio, Mario Chiampi, Alessandra Manzin, Italy

PA6-14 The Adomian's decomposition method in Electrostatics 255

Jose Marcio Machado, Yang Shiyou, Brazil

PA6-15 Application of Bicubic Splines in the Boundary Element Method 257

Stih Zeljko, Trkulja Bojan, Croatia

PA6-16 General Analysis on Nonmatched Characteristics of the PML-Part II: 259

General Analysis and a Novel Parameter Optimization Method

Yong Zhang, K.R. Shao, Youguang Guo, Jianguo Zhu, J.D. Lavers,China

PA6-17 Flexible Approximation Schemes with Adaptive Grid Refinement 261

Jianhua Dai, Igor Tsukerman, United States

*PA6-18 Orthogonal Hierarchical Nedelec Elements 263

Razi Abdul-Rahman and Manfred Kasper, Germany

*PA6-19 Implicit discontinuous Galerkin methods for solving the time domain 265

Maxwell equations on unstructured triangular meshesAdrien Catella, Victorita Dolean and Stephane Lanteri, France

PA6-20 Numerical Calculation of Current Density Distributions over Cross- 267

Section of OPGW Cable

Karlo Q. Da Costa, Victor Dmitriev, Joao T. Pinho, Luciana Gonzalez,

Sergio Colle, Marcelo A. Andrade, Joao C. V. Da Silva, Mauro Bedia,Brazil

*PA6-21 Preliminary investigation of non-conforming discontinuous Galerkin 269

methods for solving the time domain Maxwell equationsHassan Fahs, Loula Fezoui, Stephane Lanteri and Francesca

Rapetti, France

PA6-22 A Novel Technique Combining CIP Method with FDTD Method for 271

Implementing Efficient Absorbing Boundary Condition in 3-D High

Frequency Electromagnetic FieldAnalysisHirotsugu Fusayasu, Seiji Hamada, Hiroto Inoue, Nobuyuki Kadon-ishi, Shinkuro Fujino, Koji Fujiwara, and Yoshiyuki Ishihara, Japan

PA6-23 Non-Overlapping Domain Decomposition Method for Large-scale 273Three Dimensional Electromagnetic Field ComputationTianwei Li, Jiangjun Ruan, Yan Gan, China

^ PAf-Multiphysics- MEMS ^ NanomagneticV. balustradei u

15:50-17:30 Session chair: Paolo Di Barba, Kazuhiro Muramatsu

PA7-1 Characteristics Analysis of EHV GIS Three-Phase Bus Bar in Cou- 275

pled Magneto-Thermal Field

Sung Chin Hahn, Sang-Yong Jung, Joong-Kyoung Kim, Yeon-Ho Oh,Kyong-Yup Park, South Korea

PA7-2 Performance Analyses of High Voltage SF6 Circuit Breaker Based on 277

Coupling Computation of Electric-Gas Flow Field

Xiaoming Liu.Yundong Cao, China

PA7-3 Coupling Technology ofMulti-physical Parameters of Computation of 279Domain Decomposition for High Voltage SF6 Circuit BreakeCao Yun Dong, Xiaoming Liu, Erzhi Wang, China

XVI

PA7-4 Geometrical Parameters Optimization of Electrical Machine for Re- 281

duction the Vibrations of Magnetic OriginAbdelghani Kimouche, Mohamed Rachid Mekideche, Algeria

PA7-5 Simulation of Hydrostatical Equilibrium of Ferrofiuid Subjected to 283

Magneto-static Field

Hong Soon Choi, South Korea

PA7-6 An Efficient Circuit Coupling Based on Parameter Identification and 285a Temporary Linearization of the Energy Balance of the Electrical

Machine

Enno Lange, Frangois Henrotte, Kay Hameyer, Germany

PA7-7 A hybrid technique for dielectrophoresis motion calculation of liquid 287

dropletIssei Masaie, Takahiro Harada, Kazuyuki Demachi and Mitsuru Ue-

saka, Japan

PA7-8 Design Sensitivity Analysis Applied to High Temperature/High Volt- 289

age Direct Current Power SystemsJeffrey Braunstein, Hyang-Beom Lee, and Hyeon-Seok Kim, South

Korea

PA7-9 Modeling of a plate structure with piezoelectric patches: damping 291

applicationRomain Corcolle, Frederic Bouillault, Yves Bernard, France

PA7-10 Physics Based High Frequency Transformer Modeling by Finite Ele- 293

ments

Osama A Mohammed, N. Abed, and S. Ganu, United States

PA7-11 FEM-based thermal analysis of NiMH batteries for hybrid vehicles 295

Werner Renhart, Christian Magele, Bernhard Schweighofer, Aus¬

tria

PA7-12 Using Galerkin Projection Method in magneto-thermal coupled prob- 297

lems

G. Parent, P. Dular, J-R Ducreux, and F. Piriou, France

PA7-13 The Way Ahead in 21st Century of Computational Electromagnetics 299

for nanotechnologyErping Li, Singapore

PA7-14 Analysis ofMulti-Wall Carbon Nanotubes Using a Three-Dimensional 301

Integral Formulation and a Fluid Model

A. Maffucci, G. Miano, F. Villone, W. Zamboni, Italy

XVII

PA7-15 Landau-Lifshitz-Gilbert Micromagnetic Analysis of Single-Pole-Type 303

Write Head for Perpendicular Magnetic Recording Using PC Cluster

SystemYasushi Kanai, Masahiko Saiki, Kazunori Hirasawa, and Kazuetsu

Yoshida, Japan

PA7-16 Static behaviourprediction of microelectrostatic actuators by discrete 305

geometric approachesPaolo Bettini, Eugenio Brusa, Mircea Munteanu, Ruben Specogna,Francesco Trevisan, Italy

PA7-17 New Methods and Applications in Nanophotonics 307

IgorTsukerman and Frantisek Cajko, United States

PA7-18 Micromagnetic Simulations of Magnetization Reversal in MgO based 309

Magnetic Tunnel Junctions driven by Spin-Polarized CurrentGiovanni Finocchio, Mario Carpentieri, Luis Torres, Giancarlo Con-solo, Antonino Romeo, Bruno Azzerboni, Italy

PA7-19 Macrospin approximation and Micromagnetic Model of Spin Transfer 311

DynamicsMario Carpentieri, G. Finocchio, B. Azzerboni, G. Consolo, A.

Romeo, Italy

PA7-20 A Hierarchical Design Process for Electrostatically Actuated Capaci- 313tors with Variable Electrodes

Weijie Wan, David A. Lowther, Canada

PA7-21 A Sensitivity Approach to Force Calculation in Electrostatic MEMS 315

Devices

Min Li, Dong-Hun Kim, David A. Lowther, Jan K. Sykulski, Canada

*ffi>\My ^ Af^,fA8 ~ P[asn^r Superconductivity^ ^balustra^^;; > y |j|^f

15:50-17:30 Session chair: Guglielmo Rubinacci, Frederic Bouillault

PA8-1 Development and Analysis of Trapped Field Magnets in Electrome- 317chanical Devices

Kent Davey, Roy Wemstein, United States

PA8-2 Numerical Simulation of Inductive Method and Permanent Magnet 319Method for Measuring Critical Current DensityAtsushi Kamitani, Teruou Takayama, and Soichiro Ikuno, Japan

XVIII

PA8-3 EMI of electrical machines: A method for the computation of mag- 321netic interactions between several machines

C. Schulz, E. Napieralska, K. Komeza, D. Roger and A. Kost,France

PA8-4 3D Electromagnetic analyses of the European Superconducting 323DipoleFrancesca Cau, Alessandra Fanni, Alfredo Portone, PiergiorgioSonato, Pietro Testoni, Italy

PA8-5 EMTP Implementation of the Coupled Electromagnetic-Thermal 325Problem of a Magnetic Shield Type Superconducting Fault CurrentLimiter

Antonio Morandi, Massimo Fabbri, Pier Luigi Ribani, Italy

PA8-6 NumericalAnalysis of Quench Propagation in MgB2 Coils 327Alessandro Formisano, Vincenzo Cavaliere Giovanni Masullo, Italy

*PA8-7 Quench Simulation in an Integrated Design Environment for Super- 329

conducting MagnetsNikolai Schwerg, Bernhard Auchmann, and Stephan Russenschuck,Switzerland

PA8-8 The AC Loss Characteristics of Bi-2223/Ag Superconductor Tapes in 331

Power Cable Conductor

Seyong Choi, Tsukasa Kiyoshi, Kyung-Woo Ryu, Wansoo Nah, Jinho

Joo, Se-Hee Lee, Japan

PA8-9 High Tc Superconductor Magnetic Flux Characteristics - Theoretical 333Models and Experimental ResultsJian Xun Jin, Lu H. Zheng, You G. Guo, Jian G. Zhu, China

PA8-10 Time-domain and Frequency-domain Method Approach for Elec- 335

tromagnetic Characterization of the Metallic and Semiconductor

Nanowires

Erping Li, Hong-Son Chu, Wei-Bin Ewe, H.P. Lee, Jian-Guo Ma, R.

Vahldieck, Singapore

PA8-11 FDTD Analysis ofMicrowave Excited Surface-wave Plasma Phenom- 337

ena in Plasma CVD ProcessingHideki Kawaguchi, Shin Kagami, Taiki Miyoshi, Masakazu Furukawa,Japan

*PA8-12 Identification of Vertical Instabilities in the JET Tokamak 339

Raffaele Albanese, Giovanni Artaserse, Francesco Maviglia, Fabio

Piccolo, Filippo Sartori and Efda-Jet Contributors, Italy

PA8-13 A Discontinuous Galerkin Approach for the Numerical Simulation of 341

MHD Electrodynamics in Anisotropic Plasmas

Marco Breschi, Carlo Angelo Borghi, Andrea Cristofolini, Italy

PA8-14 A Finite Element Iterative Solution of Ionized Field around High Volt- 343

age Direct Current Transmission Lines

Zhang Yu, Ruan Jiangjun, China

PA8-15 Analysis of the ionized Field under HVDC Transmission Lines in the 345

Present of Wind Based on Upstream Finite Element Method

Han Feng, Tiebing Lu, Xiang Cui, China

PA8-16 Double Excitation Effect in a Microwave Plasma Resonant Cavity Re- 347

actor used for Thin Film DepositionN. Ikhlef, A.Rezig, M. Mekideche, O. Leroy, and P.Leprince, Algeria

PA8-17 Numerical Modeling with Finite Element Method for Impulse Break- 349

down Voltage Prediction in Air at Atmospheric Pressure

Yong-Sung Cho,Se-Hee Lee, Woo-Young Lee, and ll-Han Park,South Korea

PA8-18 Study on Coupled Calculation Method forNumerical Simulation of Di- 351

electric Recovery Property of SF6 High Voltage Circuit Breaker underShort Circuit BreakingLi Li, Erzhi Wang, Yundong Cao, Xiaoming Liu, China

XX