Jun.-Prof. Dr.-Ing. Ulrich Römer

Address Schleinitzstr. 20, 2. OG
Room 209
Telephone number +49 531 391 62120
Fax number +49 531 391 7017
Email u.roemer@tu-braunschweig.de

 

Research group : Uncertainties in technical systems

Teaching and Student Projects

Lectures

  • Uncertainties in Technical Systems (Winter Term 2019/2020)
  • Technische Zuverlässigkeit (Winter Term 2019/2020)
  • Methods of Uncertainty Analysis and Quantification (Summer Term 2019)
  • Uncertainties in Technical Systems (Winter Term 2018/2019)
  • Methods of Uncertainty Analysis and Quantification (Summer Term 2018)
  • Methods of Uncertainty Analysis and Quantification (Winter Term 2017/2018)

 

For information on the courses please visit StudIP or contact me by email.

  

Student Projects

Information on available student projects can be found on the IDS webpage and at the information panel at the institute.  

 

Research

 

Recent Publications : 

  • Niklas Georg, Dimitrios Loukrezis, Ulrich Römer, and Sebastian Schöps. "Uncertainty quantification for an optical grating coupler with an adjoint-based Leja adaptive collocation method". Submitted. [Preprint]
  • Thorben Casper, Ulrich Römer, Sebastian Schöps, and Herbert De Gersem. "Coupled Simulation of Transient Heat Flow and Electric Currents in Thin Wires: Application to Bond Wires in Microelectronic Chip Packaging". Computers and Mathematics with Applications, in press. [Preprint]
  • Armin Galetzka, Zeger Bontinck, Ulrich Römer, and Sebastian Schöps. "A multilevel Monte Carlo method for high-dimensional uncertainty quantification of low-frequency electromagnetic devices". IEEE Transactions on Magnetics, DOI: 10.1109/TMAG.2019.2911053 (2019). [Preprint]
  • Thomas Kadyk, René Schenkendorf, Sebastian Hawner, Bekir Yildiz, and Ulrich Römer. "Design of Fuel Cell Systems for Aviation: Representative Mission Profiles and Sensitivity Analyses". In: Frontiers in Energy Research | Fuel Cells, DOI: 10.3389/fenrg.2019.00035 (2019). 
  • Nikolai Schmitt et al. "Optimization and Uncertainty Quantification of gradient index metasurfaces". In: Optical Materials Express 9.2 (2019), pp. 892-910.
  • Radoslav Jankoski, Ulrich Römer, and Sebastian Schöps. “Stochastic modeling of magnetic hysteretic properties by using multivariate random fields”. In: International Journal for Uncertainty Quantification, DOI: 10.1615/Int.J.UncertaintyQuantification.2019025638 (2019).
  • Dimitrios Loukrezis, Ulrich Römer, and Herbert De Gersem. “Assessing the Performance of Leja and Clenshaw-Curtis Collocation for Computational Electromagnetics with Random Input Data”. In: International Journal for Uncertainty Quantification, DOI: 10.1615/Int.J.UncertaintyQuantification.2018025234 (2019).
  • Ion Gabriel Ion, Zeger Bontinck, Dimitrios Loukrezis, Ulrich Römer, Oliver Lass, Stefan Ulbrich, Sebastian Schöps, Herbert De Gersem. "Robust Shape Optimization of Electric Devices Based on Deterministic Optimization Methods and Finite Element Analysis with Affine Decomposition and Design Elements". In: Electrical Engineering, DOI: 10.1007/s00202-018-0716-6 (2018). [Preprint]
  • Ulrich Römer, Mahesh Narayanamurthi, and Adrian Sandu. “Solving parameter estimation problems with discrete adjoint exponential integrators”. In: Optimization Methods and Software, DOI: 10.1080/10556788.2018.1448087 (2018). [Preprint]
  • Dimitrios Loukrezis, Ulrich Römer, Thorben Casper, Sebastian Schöps, and Herbert De Gersem. “High-dimensional uncertainty quantification for an electrothermal field problem using stochastic collocation on sparse grids and tensor train decompositions”. In: International Journal of Numerical Modelling: Electronic Networks, Devices and Fields 31.2 (2018). [Preprint]
  • Radoslav Jankoski, Ulrich Römer, and Sebastian Schöps. “Modeling of spatial uncertainties in the magnetic reluctivity”. In: COMPEL-The international journal forcomputation and mathematics in electrical and electronic engineering 36.4 (2017), pp. 1151–1167. [Preprint]
  • Ulrich Römer, Christian Schmidt, Ursula Van Rienen, and Sebastian Schöps. “Low-dimensional stochastic modeling of the electrical properties of biological tissues”. In: IEEE Transactions on Magnetics 53.6 (2017), pp. 1–4. [Preprint]
  • Ulrich Römer, Sebastian Schöps, and Herbert De Gersem. “A defect corrected finite element approach for the accurate evaluation of magnetic fields on unstructured grids”. In: Journal of Computational Physics 335 (2017), pp. 688–699. [Preprint]

 

Further publications can be found at ORCID iD iconorcid.org/0000-0002-1277-7509