2014

Trommler, Jens ; Koch, Stephan ; Weiland, Thomas (2014)
Coupled Simulation of Switching Arcs Considering Transient-Capacitive Effects.
In: International Journal of Computational Science and Engineering, 9
Artikel, Bibliographie

2012

Koch, Stephan ; Schneider, Hermann ; Weiland, Thomas (2012)
A Low-Frequency Approximation to the Maxwell Equations Simultaneously Considering Inductive and Capacitive Phenomena.
In: IEEE Transactions on Magnetics, 48 (2)
Artikel, Bibliographie

Trommler, Jens ; Koch, Stephan ; Weiland, Thomas (2012)
A Finite-Element Approach in Order to Avoid Ill-Conditioning in Thin-Sheet Problems in Frequency Domain - Application to Magneto-Quasistatics.
In: Journal of Computational and Applied Mathematics, 236 (18)
Artikel, Bibliographie

De Gersem, Herbert ; Koch, Stephan ; Weiland, Thomas (2012)
Hybrid Formulations and Discretisations for Magnetoquasistatic Models.
In: Progress in Industrial Mathematics at ECMI 2010, Mathematics in Industry, M. Günther, Andreas Bartel, Markus Brunk, Sebastian Schöps, Michael Striebel (eds.), Springer Verlag, Berlin Heidelberg, 17
Artikel, Bibliographie

Trommler, Jens ; Koch, Stephan ; Weiland, Thomas (2012)
Investigation of Thin-Sheet Approaches to Simulate Beam Tube Losses.
Report, Bibliographie

Trommler, Jens ; Koch, Stephan ; Weiland, Thomas (2012)
Two Finite-Element Thin-Sheet Approaches in the Electro-Quasistatic Formulation.
In: Bastiaan Michielsen, Jean-René Poirier (eds.): Scientific Computing in Electrical Engineering SCEE 2010 (Mathematics in Industry), Springer Verlag, Berlin, 16
Artikel, Bibliographie

2011

Weiland, Thomas ; Denz, Frank ; Songoro, Harald ; Gjonaj, Erion ; Koch, Stephan (2011)
Numerische Feldberechnungsmethoden - Grundlagen und spezielle Probleme der Hochspannungstechnik.
Proceedings of the ETG Workshop Feldsteuernde Isoliersysteme.
Konferenzveröffentlichung, Bibliographie

Koch, Stephan ; Schneider, Hermann ; Weiland, Thomas (2011)
A Low-Frequency Approximation to the Maxwell Equations Simultaneously Considering Inductive and Capacitive Phenomena.
Proceedings of the 18th Conference on the Computation of Electromagnetic Fields.
Konferenzveröffentlichung, Bibliographie

Koch, Stephan ; Weiland, Thomas (2011)
Influence of the Beam Pipe on the Field Quality of the SIS100 Dipole Magnet.
Report, Bibliographie

Stryk, Oskar von ; Hemker, Thomas ; De Gersem, Herbert ; Koch, Stephan ; Stryk, Oskar von (2011)
Bessere Synchrotron Magnete durch simulationsbasierte Optimierung.
In: forschen, Wissenschaftsmagazin der Technischen Universität Darmstadt, (2)
Artikel, Bibliographie

Gao, Jing ; Koch, Stephan ; Munteanu, Irina ; Weiland, Thomas (2011)
Blitze im Computer.
In: Forschen, 2011 (2)
Artikel, Bibliographie

Koch, Stephan ; Weiland, Thomas (2011)
Different Types of Quasistationary Formulations for Time Domain Simulations.
In: Radio Science, 46
Artikel, Bibliographie

Mierau, Anna ; Schnizer, P. ; Fischer, Egbert ; Koch, Stephan ; Macavei, J. ; Wilfert, S. ; Weiland, Thomas ; Kurnishov, R. ; Shcherbakov, P. (2011)
Main Design Principles of the Cold Beam Pipe in the Fast Ramped Superconducting Accelerator Magnets for Heavy Ion Synchrotron SIS100.
In: ScienceDirect, Physics Procedia, Elsevier, 36
Artikel, Bibliographie

2010

Koch, Stephan ; De Gersem, Herbert ; Weiland, Thomas (2010)
Block-Preconditioning for Hybrid Discretizations in Combination with Lagrange-Multiplier Coupling.
In: IEEE Transactions on Magnetics, 46 (8)
Artikel, Bibliographie

Koch, Stephan ; Weiland, Thomas (2010)
Time Domain Methods for Slowly Varying Fields.
URSI International Symposium on Electromagnetic Theory.
Konferenzveröffentlichung, Bibliographie

Koch, Stephan ; Weiland, Thomas (2010)
Large-Scale Computation of Transient Electromagnetic Fields Regarding the Field Quality in the Aperture of the SIS100 Dipole Magnet.
Proceedings of the 1st International Particle Accelerator Conference.
Konferenzveröffentlichung, Bibliographie

Koch, Stephan ; Weiland, Thomas (2010)
Transient Eddy-Current Simulations of the Full-Size SIS-100 Dipole using a Parallelized Simulation Tool.
Report, Bibliographie

Trommler, Jens ; Koch, Stephan ; Weiland, Thomas (2010)
Two Finite-Element Thin-Sheet Approaches in the Eddy-Current-Free Quasi-Stationary Formulation.
Proceedings of the 8th Conference on Scientific Computing in Electrical Engineering.
Konferenzveröffentlichung, Bibliographie

2009

Koch, Stephan (2009)
Quasistatische Feldsimulationen auf der Basis von Finiten Elementen und Spektralmethoden in der Anwendung auf supraleitende Magnete.
Technische Universität Darmstadt
Dissertation, Erstveröffentlichung

Koch, Stephan ; De Gersem, Herbert ; Weiland, Thomas (2009)
Block-Preconditioning for Hybrid Discretisations in Combination with Lagrange-Multiplier Coupling.
Proceedings of the 17th Conference on the Computation of Electromagnetic Fields.
Konferenzveröffentlichung, Bibliographie

Henze, Olaf ; Koch, Stephan ; De Gersem, Herbert ; Weiland, Thomas (2009)
A 3D-coil model for bearing current analysis of inverter-fed drives.
Proceedings of the 13th European Conference on Power Electronics and Applications.
Konferenzveröffentlichung, Bibliographie

De Gersem, Herbert ; Koch, Stephan ; Weiland, Thomas (2009)
Aperture and Beam-Tube Models for Accelerator Magnets.
Proceedings of the 10th International Computational Accelerator Physics Conference.
Konferenzveröffentlichung, Bibliographie

Koch, Stephan ; Weiland, Thomas ; De Gersem, Herbert (2009)
Transient, Large-Scale 3D Finite Element Simulations of the SIS100 Magnet.
Proceedings of the 10th International Computational Accelerator Physics Conference.
Konferenzveröffentlichung, Bibliographie

Koch, Stephan ; De Gersem, Herbert ; Weiland, Thomas (2009)
Transient 3D Finite Element Simulations of the Field Quality in the Aperture of the SIS-100 Dipole Magnet.
In: IEEE Transactions on Applied Superconductivity, 19 (3)
Artikel, Bibliographie

Koch, Stephan ; De Gersem, Herbert ; Weiland, Thomas (2009)
3D Field Quality in the SIS100 Dipole Magnet During Fast Ramping.
Report, Bibliographie

De Gersem, Herbert ; Koch, Stephan ; Weiland, Thomas (2009)
Accounting for End Effects When Calculating Eddy Currents in Thin Conductive Beam Tubes.
In: IEEE Transactions on Magnetics, 45 (3)
Artikel, Bibliographie

Koch, Stephan ; De Gersem, Herbert ; Weiland, Thomas (2009)
Magnetostatic Formulation With Hybrid Finite-Element, Spectral-Element Discretizations.
In: IEEE Transactions on Magnetics, 45 (3)
Artikel, Bibliographie

Koch, Stephan ; Trommler, Jens ; De Gersem, Herbert ; Weiland, Thomas (2009)
Modeling Thin Conductive Sheets Using Shell Elements in Magnetoquasistatic Field Simulations.
In: IEEE Transactions on Magnetics, 45 (3)
Artikel, Bibliographie

2008

Koch, Stephan ; De Gersem, Herbert ; Weiland, Thomas (2008)
Transient 3D Finite Element Simulations of the Field Quality in the Aperture of the SIS-100 Dipole Magnet.
Proceedings of the 2008 Applied Superconductivity Conference.
Konferenzveröffentlichung, Bibliographie

Koch, Stephan ; De Gersem, Herbert ; Weiland, Thomas (2008)
3D Calculation of the Eddy-Current Losses in the Beam Tube of the SIS100 Dipole Magnet.
Report, Bibliographie

Koch, Stephan ; Doliwa, Burkhard ; De Gersem, Herbert ; Weiland, Thomas (2008)
3D Nonlinear Magnetostatic Simulation of a Superconductive Magnet using a Higher-Order Finite-Element Code.
In: IEEE Transactions on Magnetics, 44 (6)
Artikel, Bibliographie

Koch, Stephan ; De Gersem, Herbert ; Weiland, Thomas (2008)
Hybrid Finite-Element, Spectral-Element Discretization for Translatory Symmetric Model Parts.
In: IEEE Transactions on Magnetics, 44 (6)
Artikel, Bibliographie

Koch, Stephan ; De Gersem, Herbert ; Weiland, Thomas ; Fischer, Egbert ; Moritz, Gebhard (2008)
Transient 3D Finite Element Simulations of the SIS100 Magnet Considering Anisotropic, Nonlinear Material Models for the Ferromagnetic Yoke.
In: IEEE Transactions on Applied Superconductivity, 18 (2)
Artikel, Bibliographie

De Gersem, Herbert ; Koch, Stephan ; Shim, S. Y. ; Fischer, Egbert ; Moritz, Gebhard ; Weiland, Thomas (2008)
Transient Finite-Element Simulation of the Eddy-Current Losses in the Beam Tube of the SIS-100 Magnet during Ramping.
In: IEEE Transactions on Applied Superconductivity, 18 (2)
Artikel, Bibliographie

De Gersem, Herbert ; Koch, Stephan ; Weiland, Thomas (2008)
Hybrid Tensor-Product Discretizations for Models with Translatory Symmetries.
Proceedings of the 4th International Conference on Advanced Computational Methods in Engineering.
Konferenzveröffentlichung, Bibliographie

Koch, Stephan ; De Gersem, Herbert ; Weiland, Thomas (2008)
Magnetodynamic Formulation with Hybrid Finite-Element, Spectral-Element Discretization.
Proceedings of the 13th Biennial IEEE Conference on Electromagnetic Field Computation.
Konferenzveröffentlichung, Bibliographie

Trommler, Jens ; Koch, Stephan ; De Gersem, Herbert ; Weiland, Thomas (2008)
Modelling Thin Conductive Sheets using Shell Elements in Magnetoquasistatic Field Simulations.
Proceedings of the 13th Biennial IEEE Conference on Electromagnetic Field Computation.
Konferenzveröffentlichung, Bibliographie

Koch, Stephan ; De Gersem, Herbert ; Weiland, Thomas ; Hoppe, Jens ; Heinzig, Peter (2008)
Simulation of the Insulation Properties of a HVDC Transformer using a Hybrid Discretisation based on Finite Elements and Harmonic Functions.
In: Electrical Engineering (Springer Verlag), 90 (5)
Artikel, Bibliographie

Koch, Stephan ; De Gersem, Herbert ; Weiland, Thomas (2008)
Exploiting Partial Symmetries in 3D Magnetostatic Calculations Using a Scalar Potential Formulation.
Proceedings of the 7th International Conference on Computation in Electromagnetics.
Konferenzveröffentlichung, Bibliographie

2007

De Gersem, Herbert ; Koch, Stephan ; Weiland, Thomas (2007)
Taking Advantages of Translatory Symmetric Parts in Electromagnetic Models.
Proceedings of the International Conference on Electromagnetics in Advanced Applications.
Konferenzveröffentlichung, Bibliographie

Koch, Stephan ; De Gersem, Herbert ; Weiland, Thomas ; Fischer, Egbert ; Moritz, Gebhard (2007)
Transient 3D Finite Element Simulations of the Nuclotron Magnet Considering Anisotropic, Nonlinear Material Models for the Ferromagnetic Yoke.
Proceedings of the 20th International Conference on Magnet Technology.
Konferenzveröffentlichung, Bibliographie

De Gersem, Herbert ; Koch, Stephan ; Weiland, Thomas (2007)
Transient Finite Element Simulations of the Eddy-Current Losses in the Beam Tube of the SIS-100 Magnet during Ramping.
Proceedings of the 20th International Conference on Magnet Technology.
Konferenzveröffentlichung, Bibliographie

Doliwa, Burkhard ; Koch, Stephan ; De Gersem, Herbert ; Weiland, Thomas (2007)
3D Nonlinear Magnetostatic Simulation of a Superconductive Magnet using a Higher-Order Finite-Element Code.
Proceedings of the 16th Conference on the Computation of Electromagnetic Fields.
Konferenzveröffentlichung, Bibliographie

Koch, Stephan ; De Gersem, Herbert ; Weiland, Thomas (2007)
Hybrid FE-SE Discretisation for Translatory Symmetric Model Parts.
Proceedings of the 16th Conference on the Computation of Electromagnetic Fields.
Konferenzveröffentlichung, Bibliographie

De Gersem, Herbert ; Koch, Stephan ; Weiland, Thomas (2007)
Transient Finite-Element Simulation of the Eddy-Current Losses in the Beam Tube of the SIS-100 Magnet during Ramping.
Report, Bibliographie

Koch, Stephan ; De Gersem, Herbert ; Weiland, Thomas (2007)
Hybrid Finite-Element Method for Discretizing Cylindrically Symmetric Parts in Electrotechnical Models.
In: IET Science, Measurement and Technology, 1 (1)
Artikel, Bibliographie

2006

De Gersem, Herbert ; Koch, Stephan ; Weiland, Thomas (2006)
Magnetodynamic Formulation Resolving Eddy-Current Effects in the Yoke and the Superconductive Cable of the FAIR Dipole Magnets.
Proceedings of the 9th International Computational Accelerator Physics Conference.
Konferenzveröffentlichung, Bibliographie

De Gersem, Herbert ; Koch, Stephan ; Weiland, Thomas (2006)
Simulation of Modified Yoke Configurations and Coil Geometries for the Laminated Nuclotron Magnet.
Report, Bibliographie

Koch, Stephan ; De Gersem, Herbert ; Fischer, Egbert ; Moritz, Gebhard ; Weiland, Thomas (2006)
Simulation of Eddy-Current Losses in a Fast Ramped Superconductive Dipole Magnet.
In: IEEE Transactions on Applied Superconductivity, 16 (2)
Artikel, Bibliographie

Koch, Stephan ; De Gersem, Herbert ; Weiland, Thomas ; Hoppe, Jens ; Heinzig, Peter (2006)
Hybrid Discretization Based on Finite Elements and Harmonic Functions for the Simulation of Technical Models Exhibiting Partial Symmetry.
Proceedings of the 12th IEEE Conference on Electromagnetic Field Computation.
Konferenzveröffentlichung, Bibliographie

De Gersem, Herbert ; Koch, Stephan ; Weiland, Thomas (2006)
Hybrid Finite-Element Method for Discretizing Cylindrically Symmetric Parts in Electrotechnical Models.
Proceedings of the 6th International Conference on Computation in Electromagnetics.
Konferenzveröffentlichung, Bibliographie

2005

De Gersem, Herbert ; Koch, Stephan ; Weiland, Thomas (2005)
3D Simulation of Eddy-Current Losses in Superconductive Magnets.
Proceedings of the 3rd International Conference on Advanced Computational Methods in Engineering.
Konferenzveröffentlichung, Bibliographie