61 citations · 329 across the 55 of their papers we have counts for
13 papers · 1 filter
Coupling of Magneto-Thermal and Mechanical Superconducting Magnet Models by Means of Mesh-Based Interpolation
Michał Maciejewski, Pascal Bayrasy, Klaus Wolf +9
In this paper we present an algorithm for the coupling of magneto-thermal and mechanical finite element models representing superconducting accelerator magnets. The mechanical mode…
Robust Optimization Approaches for the Design of an Electric Machine
Zeger Bontinck, Oliver Lass, Sebastian Schöps +2
In this paper two formulations for the robust optimization of the size of the permanent magnet in a synchronous machine are discussed. The optimization is constrained by a partial…
Solving nonlinear circuits with pulsed excitation by multirate partial differential equations
Andreas Pels, Johan Gyselinck, Ruth V. Sabariego +1
In this paper the concept of Multirate Partial Differential Equations (MPDEs) is applied to obtain an efficient solution for nonlinear low-frequency electrical circuits with pulsed…
Reduced Order Modelling for the Simulation of Quenches in Superconducting Magnets
Sebastian Schöps, Idoia Cortes Garcia, Michał Maciejewski +1
This contributions discusses the simulation of magnetothermal effects in superconducting magnets as used in particle accelerators. An iterative coupling scheme using reduced order…
Survey on Semi-Explicit Time Integration of Eddy Current Problems
Jennifer Dutiné, Markus Clemens, Sebastian Schöps
The spatial discretization of the magnetic vector potential formulation of magnetoquasistatic field problems results in an infinitely stiff differential-algebraic equation system.…
Recent Advances of Isogeometric Analysis in Computational Electromagnetics
Zeger Bontinck, Jacopo Corno, Herbert De Gersem +8
In this communication the advantages and drawbacks of the isogeometric analysis (IGA) are reviewed in the context of electromagnetic simulations. IGA extends the set of polynomial…
Isogeometric Analysis and Harmonic Stator-Rotor Coupling for Simulating Electric Machines
Zeger Bontinck, Jacopo Corno, Sebastian Schöps +1
This work proposes Isogeometric Analysis as an alternative to classical finite elements for simulating electric machines. Through the spline-based Isogeometric discretization it is…
A Fast Isogeometric BEM for the Three Dimensional Laplace- and Helmholtz Problems
Jürgen Dölz, Helmut Harbrecht, Stefan Kurz +2
We present an indirect higher order boundary element method utilising NURBS mappings for exact geometry representation and an interpolation-based fast multipole method for compress…
ParaExp using Leapfrog as Integrator for High-Frequency Electromagnetic Simulations
Melina Merkel, Innocent Niyonzima, Sebastian Schöps
Recently, ParaExp was proposed for the time integration of linear hyperbolic problems. It splits the time interval of interest into sub-intervals and computes the solution on each…
Model Order Reduction for Rotating Electrical Machines
Zeger Bontinck, Oliver Lass, Sebastian Schöps +1
The simulation of electric rotating machines is both computationally expensive and memory intensive. To overcome these costs, model order reduction techniques can be applied. The f…
Application of the Waveform Relaxation Technique to the Co-Simulation of Power Converter Controller and Electrical Circuit Models
Michał Maciejewski, Idoia Cortes Garcia, Sebastian Schöps +4
In this paper we present the co-simulation of a PID class power converter controller and an electrical circuit by means of the waveform relaxation technique. The simulation of the…
Optimized Field/Circuit Coupling for the Simulation of Quenches in Superconducting Magnets
Idoia Cortes Garcia, Sebastian Schöps, Michał Maciejewski +4
In this paper, we propose an optimized field/circuit coupling approach for the simulation of magnetothermal transients in superconducting magnets. The approach improves the converg…
Explicit Time Integration of Transient Eddy Current Problems
Jennifer Dutiné, Markus Clemens, Sebastian Schöps +1
For time integration of transient eddy current problems commonly implicit time integration methods are used, where in every time step one or several nonlinear systems of equations…