Sigrun Ortlebمشاهده پروفایل
دانشیار
- Discontinuous Galerkin methods
- Numerical methods for fluid-structure interaction
- Positivity-preserving time integration
- +۴ مورد دیگر
PD Dr. Sigrun Ortleb is an Associate Professor at the Institute of Mathematics, University of Kassel , Germany. Her academic affiliation spans over two decades at the same institution. Current Position: Associate Professor (Privatdozentin) since 2021 Academic Background: Habilitation (2021), PhD (2011), Diplom (2006) from TU Braunschweig Research Focus: Sigrun Ortleb specializes in advanced numerical methods for partial differential equations, with particular emphasis on: Discontinuous Galerkin (DG) methods for conservation/balance equations (Euler, Navier-Stokes, shallow water) Positivity-preserving time integration techniques Summation-by-parts operators for high-order accuracy IMEX and multi-rate time integration Efficient shock filters for DG processes Image processing methods for numerical solution post-processing Publication Trends: Her work primarily addresses computational fluid dynamics challenges through: Development of stable, high-order DG schemes IMEX time integration for stiff systems Geometric conservation laws in FSI Adaptive filtering techniques Positivity preservation in shallow water equations Summation-by-parts operators for conservation Teaching Contributions: Dr. Ortleb has taught advanced mathematics courses for mechanical engineers since 2007, including: Higher Mathematics I & II Numerics of Stiff Problems Fluid-Structure Interaction Numerical Analysis of ODEs/PDEs Mathematical Modeling Discontinuous Galerkin Methods Key Collaborations: She has collaborated with experts in: Computational mechanics (J. Boungard, J. Wackerfuß) Exponential integrators (V. Straub, P. Birken, A. Meister) Geometric conservation laws (S. Bremicker-Trübelhorn)






