Christoph Lehrenfeld

49 papers Journal 49

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Pressure-robustness for the axisymmetric Stokes problem by velocity reconstruction. CoRR Philip L. Lederer, Christoph Lehrenfeld, Christian Merdon, Tim van Beeck
2026	J	`jnl`	Releasing the pressure: High-order surface flow discretizations via discrete Helmholtz-Hodge decompositions. CoRR Tim Brüers, Christoph Lehrenfeld, Tim van Beeck, Max Wardetzky
2025	J	`jnl`	Discretization Error Analysis of a High Order Unfitted Space-Time Method for moving domain problems. CoRR Fabian Heimann, Christoph Lehrenfeld, Janosch Preuß
2025	J	`jnl`	Hybrid discontinuous Galerkin discretizations for the damped time-harmonic Galbrun's equation. CoRR Martin Halla, Christoph Lehrenfeld, Tim van Beeck
2025	J	`jnl`	Streamfunction-vorticity formulation for incompressible viscid and inviscid flows on general surfaces. CoRR Tim Brüers, Christoph Lehrenfeld, Max Wardetzky
2024	J	`jnl`	A unified framework for Trefftz-like discretization methods. CoRR Philip L. Lederer, Christoph Lehrenfeld, Paul Stocker, Igor Voulis
2024	J	`jnl`	Analysis of divergence-preserving unfitted finite element methods for the mixed Poisson problem. Math. Comput. Christoph Lehrenfeld, Tim van Beeck, Igor Voulis
2024	J	`jnl`	LiveDocs: Crafting Interactive Development Environments From Research Findings. CoRR Pedro Costa Klein, Christoph Lehrenfeld, Markus Osterhoff, Martin Uecker
2024	J	`jnl`	Sparsity comparison of polytopal finite element methods. CoRR Christoph Lehrenfeld, Paul Stocker, Maximilian Zienecker
2024	J	`jnl`	Trefftz discontinuous Galerkin discretization for the Stokes problem. Numerische Mathematik Philip L. Lederer, Christoph Lehrenfeld, Paul Stocker
2023	J	`jnl`	Analysis of divergence-preserving unfitted finite element methods for the mixed Poisson problem. CoRR Christoph Lehrenfeld, Tim van Beeck, Igor Voulis
2023	J	`jnl`	Geometrically Higher Order Unfitted Space-Time Methods for PDEs on Moving Domains. SIAM J. Sci. Comput. Fabian Heimann, Christoph Lehrenfeld, Janosch Preuß
2023	J	`jnl`	Geometrically Higher Order Unfitted Space-Time Methods for PDEs on Moving Domains: Geometry Error Analysis. CoRR Fabian Heimann, Christoph Lehrenfeld
2023	J	`jnl`	Trefftz Discontinuous Galerkin discretization for the Stokes problem. CoRR Philip L. Lederer, Christoph Lehrenfeld, Paul Stocker
2022	J	`jnl`	A new T-compatibility condition and its application to the discretization of the damped time-harmonic Galbrun's equation. CoRR Martin Halla, Christoph Lehrenfeld, Paul Stocker
2022	J	`jnl`	Embedded Trefftz discontinuous Galerkin methods. CoRR Christoph Lehrenfeld, Paul Stocker
2022	J	`jnl`	Geometrically Higher Order Unfitted Space-Time Methods for PDEs on Moving Domains. CoRR Fabian Heimann, Christoph Lehrenfeld, Janosch Preuß
2022	J	`jnl`	Isoparametric Unfitted BDF-Finite Element Method for PDEs on Evolving Domains. SIAM J. Numer. Anal. Yimin Lou, Christoph Lehrenfeld
2022	J	`jnl`	Robust finite element discretizations for a simplified Galbrun's equation. CoRR Tilman Alemán, Martin Halla, Christoph Lehrenfeld, Paul Stocker
2022	J	`jnl`	Unfitted Trefftz discontinuous Galerkin methods for elliptic boundary value problems. CoRR Fabian Heimann, Christoph Lehrenfeld, Paul Stocker, Henry von Wahl
2021	J	`jnl`	Isoparametric unfitted BDF - Finite element method for PDEs on evolving domains. CoRR Yimin Lou, Christoph Lehrenfeld
2021	J	`jnl`	Learned Infinite Elements. SIAM J. Sci. Comput. Thorsten Hohage, Christoph Lehrenfeld, Janosch Preuß
2021	J	`jnl`	Locking-Free and Gradient-Robust ${\varvec{H}}({{\, \mathrm{{\text {div}}}\, }})$-Conforming HDG Methods for Linear Elasticity. J. Sci. Comput. Guosheng Fu, Christoph Lehrenfeld, Alexander Linke, Timo Streckenbach
2021	J	`jnl`	ngsxfem: Add-on to NGSolve for geometrically unfitted finite element discretizations. J. Open Source Softw. Christoph Lehrenfeld, Fabian Heimann, Janosch Preuß, Henry von Wahl
2020	J	`jnl`	An unfitted Eulerian finite element method for the time-dependent Stokes problem on moving domains. CoRR Henry von Wahl, Thomas Richter, Christoph Lehrenfeld
2020	J	`jnl`	Learned infinite elements. CoRR Thorsten Hohage, Christoph Lehrenfeld, Janosch Preuß
2020	J	`jnl`	Locking free and gradient robust H(div)-conforming HDG methods for linear elasticity. CoRR Guosheng Fu, Christoph Lehrenfeld, Alexander Linke, Timo Streckenbach
2020	J	`jnl`	Sweeping preconditioners for stratified media in the presence of reflections. CoRR Janosch Preuß, Thorsten Hohage, Christoph Lehrenfeld
2019	J	`jnl`	Divergence-free tangential finite element methods for incompressible flows on surfaces. CoRR Philip L. Lederer, Christoph Lehrenfeld, Joachim Schöberl
2019	J	`jnl`	L2-error analysis of an isoparametric unfitted finite element method for elliptic interface problems. J. Num. Math. Christoph Lehrenfeld, Arnold Reusken
2019	J	`jnl`	Mass conservative reduced order modeling of a free boundary osmotic cell swelling problem. Adv. Comput. Math. Christoph Lehrenfeld, Stephan Rave
2019	J	`jnl`	Numerical benchmarking of fluid-rigid body interactions. CoRR Henry von Wahl, Thomas Richter, Christoph Lehrenfeld, Jan Heiland, Piotr Minakowski
2019	J	`jnl`	On reference solutions and the sensitivity of the 2D Kelvin-Helmholtz instability problem. Comput. Math. Appl. Philipp W. Schroeder, Volker John, Philip L. Lederer, Christoph Lehrenfeld, Gert Lube, Joachim Schöberl
2018	J	`jnl`	A Stabilized Trace Finite Element Method for Partial Differential Equations on Evolving Surfaces. SIAM J. Numer. Anal. Christoph Lehrenfeld, Maxim A. Olshanskii, Xianmin Xu
2018	J	`jnl`	A Strongly Conservative Hybrid DG/Mixed FEM for the Coupling of Stokes and Darcy Flow. J. Sci. Comput. Guosheng Fu, Christoph Lehrenfeld
2018	J	`jnl`	A note on the stability parameter in Nitsche's method for unfitted boundary value problems. Comput. Math. Appl. Frits de Prenter, Christoph Lehrenfeld, André Massing
2018	J	`jnl`	Analysis of a High-Order Trace Finite Element Method for PDEs on Level Set Surfaces. SIAM J. Numer. Anal. Jörg Grande, Christoph Lehrenfeld, Arnold Reusken
2018	J	`jnl`	Hybrid Discontinuous Galerkin Methods with Relaxed H(div)-Conformity for Incompressible Flows. Part I. SIAM J. Numer. Anal. Philip L. Lederer, Christoph Lehrenfeld, Joachim Schöberl
2017	J	`jnl`	A note on the penalty parameter in Nitsche's method for unfitted boundary value problems. CoRR Frits de Prenter, Christoph Lehrenfeld, André Massing
2017	J	`jnl`	Optimal preconditioners for Nitsche-XFEM discretizations of interface problems. Numerische Mathematik Christoph Lehrenfeld, Arnold Reusken
2016	J	`jnl`	A Higher Order Isoparametric Fictitious Domain Method for Level Set Domains. CoRR Christoph Lehrenfeld
2015	J	`jnl`	High order exactly divergence-free Hybrid Discontinuous Galerkin Methods for unsteady incompressible flows. CoRR Christoph Lehrenfeld, Joachim Schöberl
2015	J	`jnl`	High order unfitted finite element methods on level set domains using isoparametric mappings. CoRR Christoph Lehrenfeld
2015	J	`jnl`	The Nitsche XFEM-DG Space-Time Method and its Implementation in Three Space Dimensions. SIAM J. Sci. Comput. Christoph Lehrenfeld
2014	J	`jnl`	Optimal preconditioners for Nitsche-XFEM discretizations of interface problems. CoRR Christoph Lehrenfeld, Arnold Reusken
2014	J	`jnl`	The Nitsche XFEM-DG space-time method and its implementation in three space dimensions. CoRR Christoph Lehrenfeld
2013	J	`jnl`	Analysis of a Nitsche XFEM-DG Discretization for a Class of Two-Phase Mass Transport Problems. SIAM J. Numer. Anal. Christoph Lehrenfeld, Arnold Reusken
2012	J	`jnl`	Nitsche-XFEM with Streamline Diffusion Stabilization for a Two-Phase Mass Transport Problem. SIAM J. Sci. Comput. Christoph Lehrenfeld, Arnold Reusken
2011	J	`jnl`	Computer Algebra meets Finite Elements: an Efficient Implementation for Maxwell's Equations CoRR Christoph Koutschan, Christoph Lehrenfeld, Joachim Schöberl