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- Jörg Bertrams, Ute Hintzen, +4 authors Max P. Baur
- Immunobiology
- 1984

C4 gene and haplotype frequencies were calculated from phenotype data of 380 unrelated Caucasian patients with insulin dependent (type 1) diabetes mellitus and were compared with analogous frequencies of 382 unrelated healthy Caucasian individuals. In diabetics, a significantly increased frequency of the rare allele C4B 3 (p less than 10(-7] and of the… (More)

- Innocent Niyonzima, Christophe Geuzaine, Sebastian Schöps
- J. Comput. Physics
- 2016

aInstitut für Theorie Elektromagnetischer Felder, Technische Universität Darmstadt, Schlossgartenstraße 8, D-64289 Darmstadt, Germany. bGraduate School of Computational Engineering, Technische Universität Darmstadt, Dolivostraße 15, D-64293 Darmstadt, Germany. cApplied and Computational Electromagnetics (ACE), Université de Liège, Montefiore Institute,… (More)

- Jörg Bertrams, Ute Hintzen, V Schlicht, Sebastian Schöps
- Lancet
- 1982

- Andreas Bartel, Markus Brunk, Michael Günther, Sebastian Schöps
- SIAM J. Scientific Computing
- 2013

Coupled systems of differential-algebraic equations (DAEs) may suffer from instabilities during a dynamic iteration. For a general dynamic iteration, we extend the existing analysis on recursion estimates, error transport and stability to a general DAE setting. In this context, we discuss the influence of certain coupling structures and the computational… (More)

- Thorben Casper, Herbert De Gersem, +4 authors Sebastian Schöps
- 2016 Design, Automation & Test in Europe…
- 2016

In this paper, electrothermal field phenomena in electronic components are considered. This coupling is tackled by multiphysical field simulations using the Finite Integration Technique (FIT). In particular, the design of bonding wires with respect to thermal degradation is investigated. Instead of resolving the wires by the computational grid, lumped… (More)

- Ulrich Römer, Sebastian Schöps, Thomas Weiland
- ArXiv
- 2016

This paper addresses the nonlinear elliptic curl–curl equation with uncertainties in the material law. It is frequently employed in the numerical evaluation of magnetostatic fields, where the uncertainty is ascribed to the so–called B–H curve. A truncated Karhunen–Loève approximation of the stochastic B–H curve is presented and analyzed with regard to… (More)

- Jennifer Dutiné, Markus Clemens, Sebastian Schöps, Georg Wimmer
- ArXiv
- 2017

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 have to be linearized with the Newton-Raphson method due to ferromagnetic materials involved. In this paper, a generalized Schur-complement is applied to the magnetic vector… (More)

- Idoia Cortes Garcia, Sebastian Schöps, +4 authors Arjan Verweij
- IEEE Journal on Multiscale and Multiphysics…
- 2017

In this paper, we propose an optimized field/circuit coupling approach for the simulation of magnetothermal transients in superconducting magnets. The approach improves the convergence of the iterative coupling scheme between a magnetothermal partial differential model and an electrical lumped-element circuit. Such a multiphysics, multirate, and multiscale… (More)

- Jennifer Dutiné, Markus Clemens, Sebastian Schöps
- ArXiv
- 2016

The spatially discretized magnetic vector potential formulation of magnetoquasistatic field problems is transformed from an infinitely stiff differential algebraic equation system into a finitely stiff ordinary differential equation (ODE) system by application of a generalized Schur complement for nonconducting parts. The ODE can be integrated in time using… (More)

- E. Jan Walter ter Maten, Piotr Putek, +32 authors B. Rousseau
- 2016

E Jan W ter Maten , Piotr A Putek, Michael Günther, Roland Pulch, Caren Tischendorf, Christian Strohm, Wim Schoenmaker, Peter Meuris, Bart De Smedt, Peter Benner, Lihong Feng, Nicodemus Banagaaya, Yao Yue, Rick Janssen, Jos J Dohmen, Bratislav Tasić, Frederik Deleu, Renaud Gillon, Aarnout Wieers, Hans-Georg Brachtendorf, Kai Bittner, Tomáš Kratochvíl, Jiří… (More)