Scientific Computing in Electrical Engineering: SCEE 2020, Eindhoven, The Netherlands, February 2020 (Mathematics in Industry, 36)

✍ Scribed by Martijn van Beurden (editor), Neil Budko (editor), Wil Schilders (editor)

• Publisher: Springer
• Year: 2022
• Tongue: English
• Leaves: 305
• Category: Library

✦ Synopsis

The conference has an interdisciplinary focus and aims to bring together scientists – mathematicians, electrical engineers, computer scientists, and physicists, from universities and industry – to have in-depth discussions of the latest scientific results in Computational Science and Engineering relevant to Electrical Engineering and to stimulate and inspire active participation of young researchers.

✦ Table of Contents

Preface
Acknowledgment
Organization
Local Organizing Committee
Program Committee
Standing Committee
Sponsors
Contents
Part I Circuit Simulation and Design
Efficient Model Reduction of Myelinated Compartments as Port-Hamiltonian Systems
1 Introduction
2 Port-Hamiltonian Formulation and Reduction
3 System Reduction
4 Synthesis of Equivalent Reduced Circuit
5 Results
6 Conclusions
References
Towards a Parallel-in-Time Calculation of Time-Periodic Solutions with Unknown Period
1 Introduction
2 Multiple Shooting with Unknown Period
3 Periodic Time-Parallelization with Coarse Grid Correction
4 Numerical Example
5 Conclusions
References
On the Exactness of Rational Polynomial Chaos Formulation for the Uncertainty Quantification of Linear Circuits in the Frequency Domain
1 Introduction
2 Rational Polynomial Chaos Expansion
3 Transfer Functions of Linear Lumped Circuits
3.1 Basic MNA Formulation for RGLC Circuits
3.2 Parameterization for Uncertainty Quantification
4 An Illustrative Example
5 Conclusions
References
Parallel-in-Time Simulation of Power ConvertersUsing Multirate PDEs
1 Introduction
2 Power Converter Model
3 Parareal Algorithm
4 Multirate PDEs
5 Numerical Experiments
6 Conclusions
References
Part II Device Simulation
A Maximum Principle for Drift-Diffusion Equations and the Scharfetter-Gummel Discretization
1 Introduction
2 A Maximum Principle for the Drift Diffusion Equation
3 Discretization by Scharfetter-Gummel and Finite Volumes
References
Numerical Calculation of Electronic Properties of Transition Metal-Doped mWS2 via DFT
1 Introduction
2 The Computational Model
3 Results and Discussion
4 Conclusions
References
Numerical Simulation of Thermal Conductivity of Silicon Nanowires
1 Introduction
2 Computational Structure and Models
3 Simulation Techniques
4 Results and Discussion
5 Conclusions
References
A Novel Surface Mesh Simplification Method for Flux-Dependent Topography Simulations of Semiconductor Fabrication Processes
1 Introduction
2 Surface Mesh Simplification
2.1 Feature Detection
2.2 Mesh Partitioning and Movement of Regions
3 Results
3.1 Distance to Original Geometry
3.2 Time Spent on Simplification
3.3 Flux Calculation and Monte Carlo Ray Tracing
4 Summary
References
Simulations of a Novel DG-GFET
1 Introduction
2 Mathematical Model
3 Numerical Results
4 Conclusions
References
Part III Computational Electromagnetics
Electric Circuit Element Boundary Conditions in the Finite Element Method for Full-Wave Frequency Domain Passive Devices
1 Motivation
2 ECE Boundary Conditions
3 ECE in FEM
3.1 Numerical Results
4 Conclusions
References
A Convolution Quadrature Method for Maxwell's Equations in Dispersive Media
1 Introduction
2 Structure Preserving Discretization
3 A Convolution Quadrature Approach
4 Numerical Illustration
5 Summary
References
On the Stability of Harmonic Coupling Methods with Application to Electric Machines
1 Introduction
2 Model Problem
3 Harmonic Stator-Rotor Coupling
4 Numerical Results
References
Multifidelity Uncertainty Quantification for Optical Structures
1 Introduction
2 Decoupled Uncertainty Propagation with Scattering Matrices
3 Multifidelity Monte Carlo
4 Numerical Examples
5 Conclusions
References
Dielectric Breakdown Prediction with GPU-Accelerated BEM
1 Introduction
2 BEM Formulation
3 Discretization
4 GPGPU Quadrature
5 Numerical Experiments
5.1 Validation
5.2 GPU-Acceleration
6 Conclusions and Outlook
References
Empirical Analysis of a Coaxial Microwave Structure with Finite Transmission Zero
1 Introduction
2 Equivalent Circuit
3 Analyses
4 Application
5 Conclusions
References
Frequency-Domain Non-intrusive Greedy Model Order Reduction Based on Minimal Rational Approximation
1 Introduction
2 Available MOR Strategies
2.1 Greedy Approach
2.2 A Posteriori Indicators
3 Numerical Examples
3.1 An Eigenproblem in Magneto-Hydrodynamics
3.2 Frequency Response of a Waveguide Diplexer
4 Conclusions
References
A Comparison Between Different Formulations for Solving Axisymmetric Time-Harmonic Electromagnetic Wave Problems
1 Introduction
2 Well-Posed Variational Formulation
2.1 Non-classical Conditions Along the Symmetry Axis
2.2 Direct Construction of a Subspace of Sn(Ω)
3 Comparison and Discussion of the Quasi-3D Methods
3.1 Spurious Modes and High-Order FE Discretizations
3.2 Convergence Results for Higher Order Finite Elements
3.3 Influence of α and β on the Convergence Behavior
4 Conclusion
References
The Magnetization Analysis of Motor Magnet and Its Influence on Cogging Torque
1 Introduction
2 BLDC Motor and Cogging Torque
3 Definition of the Magnet Material in Analysis
3.1 Magnetization Curve of the Magnet
3.2 Approximation Method to Describe the Hysteresis Effect
4 Modelling of the Magnetization Device and Motor
5 Result of Analysis
6 Summary
References
Part IV Mathematical and Computational Methods
A Combination of Model Order Reduction and Multirate Techniques for Coupled Dynamical Systems
1 Introduction
2 Methodology
2.1 Mathematical Modelling
2.2 Multirate
2.3 Model Order Reduction
2.4 Combining MR and MOR
3 Results
3.1 Experimental Setup
4 Conclusion
References
Waveform Relaxation for Low Frequency Coupled Field/Circuit Differential-Algebraic Models of Index 2
1 Introduction
2 Field/Circuit Model
3 Waveform Relaxation and Convergence
4 Numerical Examples
5 Conclusions
References
Splitting Methods for Linear Circuit DAEs of Index 1 in port-Hamiltonian Form
1 Introduction
2 Circuit Modeling
3 Operator Splitting for Index-1 Circuit DAEs
3.1 Subsystem Properties
3.2 Convergence Analysis
4 Numerical Simulation
5 Conclusions and Outlook
References
Reduced Order Modelling for Wafer Heating with the Method of Freezing
1 Introduction
2 Theory
2.1 Model Introduction
2.2 Model Reformulation: Method of Freezing
3 Reduced Order Modelling
3.1 Standard Reduced Order Modelling Approach
3.2 Proposed Reduced Order Modelling Approach
4 Numerical Results
5 Conclusion and Future Outlook
References
Multirate DAE-Simulation and Its Application in System Simulation Software for the Development of Electric Vehicles
1 Background and Introduction
2 Problem Formulation
3 Multirate Integration for Coupled Network DAEs
4 Simulation of a BEV with Cooling System
5 Simulation of a Three Phase Inverter with Cooling System
6 Conclusion
References
A Hysteresis Loss Model for Tellinen's Scalar Hysteresis Model
1 Introduction
2 Tellinen's Scalar Hysteresis Model
3 Adapted Hysteresis Loss Model
4 Numerical Results
5 Conclusion and Outlook
References
Hybrid Modeling: Towards the Next Level of Scientific Computing in Engineering
1 Introduction: What Is Hybrid Modeling?
2 Blending Data with Physics kurzLiebsch2020
3 Data-Driven Field Simulation kurzDeGersem2020
4 Bayesian Free-Shape Optimization kurzSchuhmacher2018
5 Summary and Outlook
References
Machine Learning for Initial Value Problems of Parameter-Dependent Dynamical Systems
1 Introduction
2 Parameter-Dependent Dynamical Systems
3 Time Discretisation
4 Machine Learning
5 Numerical Results for Test Example
6 Conclusions
References
Modeling of Thermoelectric Generator via Parametric Model Order Reduction Based on Modified Matrix Interpolation
1 Introduction
2 Model Description
3 Parametric Model Order Reduction with Matrix Interpolation
4 Simulation Results
5 Conclusions and Outlook
References
Nonlinear Model Order Reduction of a Thermal Human Torso Model
1 Introduction
2 Case Study
3 Model Order Reduction
3.1 Proper Orthogonal Decomposition
3.2 Dynamic Mode Decomposition
4 Numerical Simulation Results
5 Conclusion and Outlook
References
Multi-Level Iterations for Microgrid Control with Automatic Level Choice
1 Introduction
2 Nonlinear Model Predictive Control
3 Multi-Level Iterations
3.1 Automatic Level Choice
4 Dynamic Microgrid Model
4.1 Scenario and Model Description
5 Numerical Results
6 Conclusion
References
Multi-Level Inversion Based on Mesh Decoupling
1 Introduction
2 Problem Description
3 Nested Iteration Based on Mesh Decoupling
4 Numerical Results
5 Conclusions
References