71 citations · 254 across the 27 of their papers we have counts for
27 papers
A Comparison of Multirate Co-Simulation Techniques for Field-Circuit Coupled Problems
Michael Wiesheu, Sebastian Schöps, Idoia Cortes Garcia
This paper compares three different multirate splitting approaches for the application on field-circuit coupled magnetoquasistatic simulations. For these methods, again three diffe…
Data-driven moving-window Bayesian inference for transient CO2-temperature network models of buildings
Zhijian Wang, Stein K. F. Stoter, Clemens V. Verhoosel +1
In this work, we proposes a CO2-temperature network model that links multi-zone mass transport and thermal dynamics through shared latent drivers, airflow and occupancy. The therma…
A non-intrusive approach to index-aware learning
Peter Förster, Idoia Cortes Garcia, Wil Schilders +1
We present a non-intrusive version of the index-aware learning framework introduced in arXiv:2309.00958. Index-aware learning itself is an approach for learning the time and parame…
Waveform Relaxation for Field/Circuit Coupled DAEs with Generalized Capacitances
Idoia Cortes Garcia, Jonas Pade
Field/circuit coupling is a common approach when a lumped representation of a certain electrotechnical device is not accurate enough. To exploit existing code and underlying proper…
A topological decoupling of modified nodal analysis including controlled sources
Idoia Cortes Garcia, Peter F. Förster, Lennart Jansen +2
We derive a topological decoupling of the equations of modified nodal analysis (MNA) to a semi-explicit index one differential-algebraic equation. The decoupling explicitly allows…
Learning solutions of parameterized stiff ODEs using Gaussian processes
Idoia Cortes Garcia, P. Förster, W. Schilders +1
Stiff ordinary differential equations (ODEs) play an important role in many scientific and engineering applications. Often, the dependence of the solution of the ODE on additional…
A mixed Petrov-Galerkin Cosserat rod finite element formulation
Marco Herrmann, Domenico Castello, Jonas Breuling +3
This paper presents a total Lagrangian mixed Petrov-Galerkin finite element formulation that provides a computationally efficient approach for analyzing Cosserat rods that is free…
Energy-based modeling for field-circuit coupling
Robert Altmann, Idoia Cortes Garcia, Elias Paakkunainen +2
This paper presents a generalized energy-based modeling framework extending recent formulations tailored for differential-algebraic equations. The proposed structure, inspired by t…
A magnetic oriented approach to the systematic coupling of field and circuit equations
Herbert Egger, Idoia Cortes Garcia, Vsevolod Shashkov +1
A novel strategy is proposed for the coupling of field and circuit equations when modeling power devices in the low-frequency regime. The resulting systems of differential-algebrai…
Parallel-in-Time Integration of Transient Phenomena in No-Insulation Superconducting Coils Using Parareal
Erik Schnaubelt, Mariusz Wozniak, Julien Dular +3
High-temperature superconductors (HTS) have the potential to enable magnetic fields beyond the current limits of low-temperature superconductors in applications like accelerator ma…
A Stabilized Circuit-Consistent Foil Conductor Model
Elias Paakkunainen, Jonas Bundschuh, Idoia Cortes Garcia +2
The magnetoquasistatic simulation of large power converters, in particular transformers, requires efficient models for their foils windings by means of homogenization techniques. I…
How to Build the Optimal Magnet Assembly for Magnetocaloric Cooling: Structural Optimization with Isogeometric Analysis
Michael Wiesheu, Melina Merkel, Tim Sittig +5
In the search for more efficient and less environmentally harmful cooling technologies, the field of magnetocalorics is considered a promising alternative. To generate cooling span…
MONA -- A magnetic oriented nodal analysis for electric circuits
Idoia Cortes Garcia, Herbert Egger, Vsevolod Shashkov
The modified nodal analysis (MNA) is probably the most widely used formulation for the modeling and simulation of electric circuits. Its conventional form uses electric node potent…
Parareal for Higher Index Differential Algebraic Equations
Idoia Cortes Garcia, Iryna Kulchytska-Ruchka, Sebastian Schöps
This article proposes modifications of the Parareal algorithm for its application to higher index differential algebraic equations (DAEs). It is based on the idea of applying the a…
Parallel-in-Time Solution of Eddy Current Problems Using Implicit and Explicit Time-stepping Methods
Idoia Cortes Garcia, Iryna Kulchytska-Ruchka, Markus Clemens +1
The time domain analysis of eddy current problems often requires the simulation of long time intervals, e.g. until a steady state is reached. Fast-switching excitations e.g. in pul…
Magnetodynamic Finite-Element Simulation of Accelerator Magnets
H. De Gersem, I. Cortes Garcia, L. A. M. D'Angelo +1
This lecture note describes how to set up and what is behind a magnetodynamic field simulation for an accelerator magnet. The relevant formulation of Maxwell's equations is derived…
Waveform relaxation for low frequency coupled field/circuit differential-algebraic models of index 2
Idoia Cortes Garcia, Jonas Pade, Sebastian Schöps +1
Motivated by the task to design quench protection systems for superconducting magnets in particle accelerators we address a coupled field/circuit simulation based on a magneto-quas…
Generalized Circuit Elements
Idoia Cortes Garcia, Sebastian Schöps, Christian Strohm +1
The structural analysis, i.e., the investigation of the differential-algebraic nature, of circuits containing simple elements, i.e., resistances, inductances and capacitances is we…
A Coupled A-H Formulation for Magneto-Thermal Transients in High-Temperature Superconducting Magnets
Lorenzo Bortot, Bernhard Auchmann, Idoia Cortes Garcia +6
The application of high-temperature superconductors to accelerator magnets for future particle colliders is under study. Numerical methods are crucial for an accurate evaluation of…
Systems of Differential Algebraic Equations in Computational Electromagnetics
Idoia Cortes Garcia, Sebastian Schöps, Herbert De Gersem +1
Starting from space-discretisation of Maxwell's equations, various classical formulations are proposed for the simulation of electromagnetic fields. They differ in the phenomena co…
STEAM: A Hierarchical Co-Simulation Framework for Superconducting Accelerator Magnet Circuits
Lorenzo Bortot, Bernhard Auchmann, Idoia Cortes Garcia +7
Simulating the transient effects occurring in superconducting accelerator magnet circuits requires including the mutual electro-thermo-dynamic interaction among the circuit element…
A Structural Analysis of Field/Circuit Coupled Problems Based on a Generalised Circuit Element
Idoia Cortes Garcia, Herbert De Gersem, Sebastian Schöps
In some applications there arises the need of a spatially distributed description of a physical quantity inside a device coupled to a circuit. Then, the in-space discretised system…
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…
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…