## Scientific Computing in Electrical EngineeringThis book is a collection of selected papers presented at the last Scientific Computing in Electrical Engineering (SCEE) Conference, held in Sinaia, Romania, in 2006. The series of SCEE conferences aims at addressing mathematical problems which have a relevance to industry, with an emphasis on modeling and numerical simulation of electronic circuits, electromagnetic fields but also coupled problems and general mathematical and computational methods. |

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### Contents

3 | |

Transient FieldCircuit Coupled Models with Switching Elements for the Simulation of Electric Energy Transducers | 25 |

Current and Future Challenges | 40 |

New Algorithm for the Retrieval of Aerosols Optical Parameters by LIDAR Data Inversion | 55 |

A Demonstrator Platform for Coupled Multiscale Simulation | 63 |

Upon the Interaction between Magnetic Field and Electric Arc in Low Voltage Vacuum Circuit Breakers | 72 |

CHAMELEON RF | 81 |

Finite Element Analysis of Generation and Detection of Lamb Waves Using Piezoelectric Transducers | 88 |

Computational Electromagnetics | 244 |

RF Microwave Simulation with the Finite Integration Technique From Component to System Design | 245 |

The Energy Viewpoint in Computational Electromagnetics | 261 |

Newton and Approximate Newton Methods in Combination with the Orthogonal Finite Integration Technique | 275 |

Transient Simulation of a Linear Actuator Discretized by the Finite Integration Technique | 281 |

Reduced Order Electromagnetic Models for OnChip Passives Based on Dual Finite Integrals Technique | 287 |

Techniques to Reduce the Equivalent Parallel Capacitance for EMI Filters Integration | 295 |

Buffered Block Forward Backward BBFB Method Applied to EM Wave Scattering from Homogeneous Dielectric Bodies | 301 |

Optimization of a Switching Strategy for a Synchronous Motor Fed by a Current Inverter Using Finite Element Analysis | 97 |

Finite Volume Method Applied to Symmetrical Structures in Coupled Problems | 107 |

Scattering Matrix Analysis of Cascaded Periodic Surfaces | 115 |

Circuit Simulation and Design | 125 |

Overview of CircuitSimulation Activities at TKK CTL | 126 |

Outstanding Issues in Model Order Reduction | 139 |

Positive Real Balancing for Nonlinear Systems | 153 |

Efﬁcient Initialization of Artiﬁcial Neural Network Weights for Electrical Component Models | 160 |

Trajectory Piecewise Linear Approach for Nonlinear DifferentialAlgebraic Equations in circuit simulation | 167 |

MOR for ANSYS versus ROM Workbench | 175 |

Adjoint Transient Sensitivity Analysis in Circuit Simulation | 183 |

Index Reduction by ElementReplacement for Electrical Circuits | 190 |

Application of 2D Nonuniform Fast Fourier Transforms Technique to Analysis of Shielded Microstrip Circuits | 199 |

A Filter Design Framework with Multicriteria Optimization Based on a Genetic Algorithm | 207 |

Thermal Network Method in the Design of Power Equipment | 213 |

Hierarchical Mixed Multirating in Circuit Simulation | 220 |

Automatic Partitioning for Multirate Methods | 229 |

Simulation of Quasiperiodic Signals via Warped MPDAEs Using Houbens Approach | 237 |

Symmetric Coupling of the FiniteElement and the BoundaryElement Method for ElectroQuasistatic Field Simulations | 309 |

Computational Errors in Hysteresis Preisach Modelling | 316 |

Mathematical and Computational Methods | 323 |

Manifold Mapping for Multilevel Optimization | 325 |

Software Package for MultiObjective Optimal Design of Electromagnetic Devices | 331 |

Optimal Design of Monolithic ESBT Device carried out by Multiobjective Optimization | 338 |

On Fast Optimal Control for EnergyTransportbased Semiconductor Design | 347 |

Extended Hydrodynamical Models for Charge Transport in Si | 357 |

On the Implementation of a Delaunaybased 3dimensional Mesh Generator | 364 |

Coupled FETIBETI Solvers for Nonlinear Potential Problems in UnBounded Domains | 371 |

A Hierarchical Preconditioner within Edge Based BEFE Coupling in Electromagnetism | 379 |

Solution of Band Linear Systems in Model Reduction for VSLI Circuits | 386 |

MOESP Algorithm for Converting Onedimensional Maxwell Equation into a Linear System | 395 |

Adaptive Methods for Transient Noise Analysis | 403 |

Efﬁcient Execution of Loosely Coupled Tasks in Grid Platforms | 411 |

Colour Figures | 417 |

462 | |

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