Christoph Lehrenfeld is professor (W2) for Computational PDEs at the Institute for Numerical and Applied Mathematics, University of Göttingen, and head of the working group. See the publications page for the full list of publications and research topics for an overview.
Research interests
- Numerical methods for PDEs (finite element methods)
- Unfitted finite element methods (XFEM / CutFEM)
- Space-time finite element methods for evolving domains
- High-order finite element methods
- Hybrid discontinuous Galerkin methods
- Applications: fluid dynamics, interface problems, moving domains
Positions
- 09/2020 – today: Professor (W2), University of Göttingen
- 09/2016 – 08/2020: Junior professor, University of Göttingen
- 09/2015 – 08/2016: Postdoctoral fellow, University of Münster
- 03/2015 – 08/2015: Postdoctoral fellow, TU Wien
- 10/2010 – 02/2015: Research associate, RWTH Aachen
Education
- 2010 – 2015: Doctorate in Mathematics, RWTH Aachen
- 2005 – 2010: Diploma in Computational Engineering Science, RWTH Aachen
Selected talks
- Stockholm, 2025/11 — Integration in unfitted FEM (lecture) · slides
- Aachen, 2025/01 — Unfitted time stepping · slides
- Hamburg, 2024/11 — On Trefftz-like methods · slides
- Vienna, 2024/06 (NGSolve User Meeting) — ngsxfem · slides
- Oaxaca, 2024/05 (Banff) — Unfitted Trefftz DG · slides
- Magdeburg, 2024/03 (GAMM) — Trefftz DG for Stokes · slides
- Hamburg, 2022/11 — Unfitted space-time methods · slides
- Aachen, 2022/08 (GAMM) — Embedded Trefftz DG · slides
- Oslo, 2022/06 — Unfitted mixed FEM · slides
- Göttingen, 2022/03 — Computational helioseismology · slides
- Hannover, 2020/01 — H(div)-conforming methods for flows · slides
- Egmond aan Zee, 2019/10 (ENUMATH) — H(div)-conforming flows on surfaces · slides
- Rennes, 2012/06 (DD21) — BDDC preconditioning for HDG · slides
Software
Netgen/NGSolve— multiphysics finite element softwarengsxfem— add-on for geometrically unfitted FEMngsxfem-jupyter— tutorials