UL
Ulrich Langer
math.NAcs.NAmath.OCAcousticsastro-ph.IMComputer-Aided DesignModels, TheoreticalRefuse Disposal
On Valency
published · living versionsW_kqg5uagc·v1 · currentpublished
The Mid-Infrared Instrument for JWST, II: Design and Build
with G. S. Wright, David Wright, G. B. Goodson, G. H. Rieke +68
1 version
Preprints & journals
59 papers in the corpus · 2006–2025A 5D concept for space-time optimal control problems with application to simplified Carreau flow2511.09086v1 · S. Beuchler, B. Endtmayer, U. Langer et al.2025 · 0 citationsarXiv
Numerical solution of elliptic distributed optimal control problems with boundary value tracking2510.27336v2 · Ulrich Langer, Richard Loscher, Olaf Steinbach et al.2025 · 0 citationsarXiv
State-based approach to the numerical solution of Dirichlet boundary optimal control problems for the Laplace equation2507.11646v1 · Ulrich Langer, Richard Loscher, Olaf Steinbach et al.2025 · 0 citationsarXiv
State-based nested iteration solution of optimal control problems with PDE constraints2505.19062v1 · Ulrich Langer, Richard Loscher, Olaf Steinbach et al.2025 · 0 citationsarXiv
Robust finite element solvers for distributed hyperbolic optimal control problems2404.03756v1 · Ulrich Langer, Richard Loscher, Olaf Steinbach et al.2024 · 2 citationsarXiv
A Posteriori Single- and Multi-Goal Error Control and Adaptivity for Partial Differential Equations2404.01738v3 · Bernhard Endtmayer, Ulrich Langer, Thomas Richter et al.2024 · 13 citationsAdvances in Applied Mechanics, volume 59, chapter 2, 2024
Parallel iterative solvers for discretized reduced optimality systems2312.12282v1 · Ulrich Langer, Richard Loscher, Olaf Steinbach et al.2023 · 0 citationsarXiv
Goal-Oriented Adaptive Space-Time Finite Element Methods for Regularized Parabolic p-Laplace Problems2306.07167v1 · B.Endtmayer, U. Langer, A. Schafelner2023 · 11 citationsarXiv
Mass-lumping discretization and solvers for distributed elliptic optimal control problems2304.14664v1 · Ulrich Langer, Richard Loscher, Olaf Steinbach et al.2023 · 5 citationsarXiv
An adaptive finite element method for distributed elliptic optimal control problems with variable energy regularization2209.08811v2 · Ulrich Langer, Richard Loscher, Olaf Steinbach et al.2022 · 10 citationsarXiv
Robust finite element discretization and solvers for distributed elliptic optimal control problems2207.04664v1 · Ulrich Langer, Richard Loscher, Olaf Steinbach et al.2022 · 8 citationsarXiv
Robust space-time finite element error estimates for parabolic distributed optimal control problems with energy regularization2206.06455v1 · Ulrich Langer, Olaf Steinbach, Huidong Yang2022 · 0 citationsarXiv
Matrix-free Monolithic Multigrid Methods for Stokes and Generalized Stokes Problems2205.15770v1 · Daniel Jodlbauer, Ulrich Langer, Thomas Wick et al.2022 · 9 citationsarXiv
Space-time finite element methods for the initial temperature reconstruction2103.16699v1 · Ulrich Langer, Olaf Steinbach, Fredi Troltzsch et al.2021 · 2 citationsarXiv
Space-time hexahedral finite element methods for parabolic evolution problems2103.13835v1 · Ulrich Langer, Andreas Schafelner2021 · 4 citationsarXiv
Simultaneous space-time finite element methods for parabolic optimal control problems2103.01688v1 · Ulrich Langer, Andreas Schafelner2021 · 2 citationsarXiv
Robust discretization and solvers for elliptic optimal control problems with energy regularization2102.03515v1 · Ulrich Langer, Olaf Steinbach, Huidong Yang2021 · 12 citationsarXiv
Efficient Direct Space-Time Finite Element Solvers for Parabolic Initial-Boundary Value Problems in Anisotropic Sobolev Spaces2008.01996v1 · Ulrich Langer, Marco Zank2020 · 19 citationsarXiv
Parallel matrix-free higher-order finite element solvers for phase-field fracture problems2005.00331v1 · Daniel Jodlbauer, Ulrich Langer, Thomas Wick2020 · 21 citationsarXiv
Space-time finite element discretization of parabolic optimal control problems with energy regularization2004.09504v1 · Ulrich Langer, Olaf Steinbach, Fredi Troltzsch et al.2020 · 24 citationsarXiv
Unstructured space-time finite element methods for optimal control of parabolic equations2004.02014v1 · Ulrich Langer, Olaf Steinbach, Fredi Troltzsch et al.2020 · 31 citationsarXiv
Unstructured Space-Time Finite Element Methods for Optimal Sparse Control of Parabolic Equations2003.14141v1 · Ulrich Langer, Olaf Steinbach, Fredi Troltzsch et al.2020 · 0 citationsarXiv
Adaptive space-time finite element methods for non-autonomous parabolic problems with distributional sources2003.09248v1 · Ulrich Langer, Andreas Schafelner2020 · 17 citationsarXiv
Reliability and efficiency of DWR-type a posteriori error estimates with smart sensitivity weight recovering2003.08999v1 · Bernhard Endtmayer, Ulrich Langer, Thomas Wick2020 · 19 citationsarXiv
Hierarchical DWR Error Estimates for the Navier Stokes Equation: and Enrichment1912.04819v1 · B. Endtmayer, U. Langer, J. P. Thiele et al.2019 · 1 citationarXiv
Multigoal-oriented optimal control problems with nonlinear PDE constraints1903.02799v1 · Bernhard Endtmayer, Ulrich Langer, Ira Neitzel et al.2019 · 9 citationsarXiv
Space-Time Finite Element Methods for Parabolic Evolution Problems with Non-smooth Solutions1903.02350v1 · Ulrich Langer, Andreas Schafelner2019 · 0 citationsarXiv
Matrix-free multigrid solvers for phase-field fracture problems1902.08112v2 · Daniel Jodlbauer, Ulrich Langer, Thomas Wick2019 · 44 citationsarXiv
Two-side a posteriori error estimates for the DWR method1811.07586v1 · Bernhard Endtmayer, Ulrich Langer, Thomas Wick2018 · 5 citationsarXiv
BDDC preconditioners for a space-time finite element discretization of parabolic problems1810.12159v1 · Ulrich Langer, Huidong Yang2018 · 4 citationsarXiv
Isogeometric Simulation and Shape Optimization with Applications to Electrical Machines1809.03377v1 · Peter Gangl, Ulrich Langer, Angelos Mantzaflaris et al.2018 · 3 citationsarXiv
Adaptive space-time isogeometric analysis for parabolic evolution problems1807.05950v1 · Ulrich Langer, Svetlana Matculevich, Sergey Repin2018 · 0 citationsarXiv
Multigoal-Oriented Error Estimates for Non-linear Problems1804.01331v1 · B. Endtmayer, U. Langer, T. Wick2018 · 24 citationsarXiv
Robust Preconditioning for Space-Time Isogeometric Analysis of Parabolic Evolution Problems1802.09277v1 · Christoph Hofer, Ulrich Langer, Martin Neumuller2018 · 1 citationarXiv
Parallel Block-Preconditioned Monolithic Solvers for Fluid-Structure-Interaction Problems1801.05648v2 · D. Jodlbauer, U. Langer, T. Wick2018 · 30 citationsarXiv
Guaranteed error control bounds for the stabilised space-time IgA approximations to parabolic problems1712.06017v2 · Ulrich Langer, Svetlana Matculevich, Sergey Repin2017 · 5 citationsarXiv
Inexact Dual-Primal Isogeometric Tearing and Interconnecting Methods1705.04531v1 · Christoph Hofer, Ulrich Langer, Stefan Takacs2017 · 8 citationsIn P. E. Bj{\o}rstad, S. C. Brenner, L. Halpern, R. Kornhuber, H. H. Kim, T. Rahman, and O. B. Widlund (eds.): Domain Decomposition Methods in Science and Engineering XXIV, p. 397 - 406, 2019
A posteriori error estimates for space-time IgA approximations to parabolic initial boundary value problems1612.08998v3 · Ulrich Langer, Svetlana Matculevich, Sergey Repin2016 · 5 citationsarXiv
Discontinuous Galerkin Isogeometric Analysis on Non-matching Segmentation: Error Estimates and Efficient Solvers1610.03634v1 · Christoph Hofer, Ulrich Langer, Ioannis Toulopoulos2016 · 5 citationsarXiv
A Local Mesh Modification Strategy for Interface Problems with Application to Shape and Topology Optimization1609.06236v1 · Peter Gangl, Ulrich Langer2016 · 8 citationsarXiv
Dual-Primal Isogeometric Tearing and Interconnecting solvers for multipatch dG-IgA equations1601.01808v1 · Christoph Hofer, Ulrich Langer2016 · 41 citationsarXiv
Dual-Primal Isogeometric Tearing and Interconnecting Solvers for large-scale systems of multipatch continuous Galerkin IgA equations1511.07183v1 · Christoph Hofer, Ulrich Langer2015 · 4 citationsarXiv
Functional a posteriori error estimates for time-periodic parabolic optimal control problems1511.05699v1 · Ulrich Langer, Sergey Repin, Monika Wolfmayr2015 · 14 citationsarXiv
Discontinuous Galerkin Isogeometric Analysis of Elliptic Diffusion Problems on Segmentations with Gaps1511.05715v1 · Christoph Hofer, Ulrich Langer, Ioannis Toulopoulos2015 · 16 citationsarXiv
Mesh Grading in Isogeometric Analysis1509.07016v1 · Ulrich Langer, Angelos Mantzaflaris, Stephen E. Moore et al.2015 · 12 citationsCMwA, vol. 70, Issue 7, pg 1685 -1700, 2015
Space-Time Isogeometric Analysis of Parabolic Evolution Equations1509.02008v1 · Ulrich Langer, Stephen E. Moore, Martin Neumuller2015 · 94 citationsarXiv
The Mid-Infrared Instrument for JWST, II: Design and Build1508.02333v1 · G. S. Wright, David Wright, G. B. Goodson et al.2015 · 238 citationsPASP, 127, 595, 2015on Valency
Numerical simulation of parabolic moving and growing interface problems using small mesh deformation1507.08784v1 · Ulrich Langer, Huidong Yang2015 · 4 citationsarXiv
Convection-adapted BEM-based FEM1502.05954v1 · Clemens Hofreither, Ulrich Langer, Steffen Wei\sser2015 · 18 citationsarXiv
Shape optimization of an electric motor subject to nonlinear magnetostatics1501.04752v1 · Peter Gangl, Ulrich Langer, Antoine Laurain et al.2015 · 86 citationsSIAM J. Sci. Comput., 37(6), B1002-B1025, 2015
Career total: 260 works. 59 are in this corpus.Showing the 50 most recent.
Profile built from the corpus for this byline.
Author records are still filling in while the Hub is in alpha. If this is your page, you'll be able to claim it soon. Spot a mistake? Tell us.