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Anzahl der Einträge: 32.

Müller, Christopher ; Ullmann, Sebastian ; Lang, Jens :
Conjugate gradient methods for stochastic Galerkin finite element matrices with saddle point structure.
In: Quantification of Uncertainty: Improving Efficiency and Technology (QUIET), 18.-21.07.2017, Triest, Italy.
[Konferenz- oder Workshop-Beitrag], (2017)

Spannring, Christopher ; Ullmann, Sebastian ; Lang, Jens :
Reduced Basis Method for Linear Parabolic Problems with Random Data.
In: FoMICS-Workshop, 15.-19.12.2016, Lugano, Switzerland.
[Konferenz- oder Workshop-Beitrag], (2017)

Spannring, Christopher ; Ullmann, Sebastian ; Lang, Jens :
Reduced Basis Method for Parabolic Problems with Random Data.
In: SIMAI (Societa Italiana Di Matematica Applicata E Industriale) 2016, 13.-16.09.2016, Milano, Italy.
[Konferenz- oder Workshop-Beitrag], (2017)

Spannring, Christopher ; Ullmann, Sebastian ; Lang, Jens :
Weighted Reduced Basis Method for Parabolic PDEs with Random Data.
In: Quantification of Uncertainty: Improving Efficiency and Technology (QUIET), 18.-21.07.2017, Triest, Italy.
[Konferenz- oder Workshop-Beitrag], (2017)

Lang, Jens ; Hundsdorfer, Willem :
Extrapolation-based implicit–explicit Peer methods with optimised stability regions.
[Online-Edition: http://doi.org/10.1016/j.jcp.2017.02.034]
In: Journal of Computational Physics, 337 pp. 203-215. ISSN 00219991
[Artikel], (2017)

Huang, Weizhang ; Kamenski, Lennard ; Lang, Jens :
STABILITY OF EXPLICIT ONE-STEP METHODS FOR P1-FINITE ELEMENT APPROXIMATION OF LINEAR DIFFUSION EQUATIONS ON ANISOTROPIC MESHES.
[Online-Edition: http://dx.doi.org/10.1137/130949531]
In: Siam Journal on Numerical Analysis, 54 (3) pp. 1612-1634. ISSN 0036-1429
[Artikel], (2016)

Domschke, Pia ; Kolb, Oliver ; Lang, Jens :
Adjoint-based error control for the simulation and optimization of gas and water supply networks.
In: Applied Mathematics and Computation, 259 pp. 1003-1018. ISSN 0096-3003
[Artikel], (2015)

Debrabant, Kristian ; Lang, Jens :
On asymptotic global error estimation and control of finite difference solutions for semilinear parabolic equations.
In: Computer Methods in Applied Mechanics and Engineering, 288 pp. 110-126. ISSN 0045-7825
[Artikel], (2015)

Liu, Shengyuan ; Gerisch, Alf ; Rahimi, Mohammad ; Lang, Jens ; Boehm, Michael C. ; Mueller-Plathe, Florian :
Robustness of a new molecular dynamics-finite element coupling approach for soft matter systems analyzed by uncertainty quantification.
In: Journal of Chemical Physics, 142 (10) ISSN 0021-9606
[Artikel], (2015)

Kuhn, Karen ; Lang, Jens :
Comparison of the asymptotic stability for multirate Rosenbrock methods.
In: Journal of Computational and Applied Mathematics, 262 pp. 139-149.
[Artikel], (2014)

Schroeder, Dirk ; Lang, Jens ; Weiner, Ruediger :
Stability and consistency of discrete adjoint implicit peer methods.
In: Journal of Computational and Applied Mathematics, 262 pp. 73-86.
[Artikel], (2014)

Bott, Stefanie ; Clever, Debora ; Lang, Jens ; Ulbrich, Stefan ; Ziems, Jan ; Schröder, D.
Leugering, G. ; Benner, P. ; Engell, S. ; Griewank, A. ; Harbrecht, H. ; Hinze, Michael ; Rannacher, R. ; Ulbrich, Stefan (eds.) :

On a Fully Adaptive SQP Method for PDAE-Constrained Optimal Control Problems with Control and State Constraints.
In: Trends in PDE Constrained Optimization. Int. Ser. Numer. Math. (165). Springer International Publishing , pp. 85-108.
[Buchkapitel], (2014)

Ullmann, Sebastian ; Lang, Jens
Garcke, J. ; Pflüger, D. (eds.) :

POD-Galerkin Modeling and Sparse-Grid Collocation for a Natural Convection Problem with Stochastic Boundary Conditions.
[Online-Edition: http://link.springer.com/chapter/10.1007%2F978-3-319-04537-5...]
In: Sparse Grids and Applications - Munich 2012. Lecture Notes in Computational Science and Engineering. Springer , pp. 295-315.
[Buchkapitel], (2014)

Liersch, Claudia ; Frankenbach, Matthias ; Froehlich, Jochen ; Lang, Jens :
Recent progress in designing moving meshes for complex turbulent flows.
In: Meteorologische Zeitschrift, 23 (4) pp. 425-439. ISSN 0941-2948
[Artikel], (2014)

Hertel, Claudia ; Schuemichen, Michel ; Lang, Jens ; Froehlich, Jochen :
Using a Moving Mesh PDE for Cell Centres to Adapt a Finite Volume Grid.
In: Flow Turbulence and Combustion, 90 pp. 785-812.
[Artikel], (2013)

Braack, Malte ; Lang, Jens ; Taschenberger, Nico :
Stabilized finite elements for transient flow problems on varying spatial meshes.
In: Computer Methods in Applied Mechanics and Engineering, 253 pp. 106-116.
[Artikel], (2013)

Ullmann, Sebastian ; Lang, Jens :
POD and CVT Galerkin reduced-order modeling of the flow around a cylinder.
[Online-Edition: http://onlinelibrary.wiley.com/doi/10.1002/pamm.201210337/pd...]
In: Proceedings in Applied Mathematics and Mechanics (PAMM), 12 (1) pp. 697-698. ISSN 1617-7061
[Artikel], (2012)

Clever, Debora ; Lang, Jens ; Ulbrich, Stefan ; Ziems, Jan
Leugering, Guenter (ed.) :

Generalized Multilevel SQP- methods for PDAE-constrained Optimization Based on Space-Time Adaptive PDAE Solvers.
In: Constrained Optimization and Optimal Control for Partial Differential Equations. International Series of Numerical Mathematics, 160. Springer, Basel , pp. 37-60.
[Buchkapitel], (2012)

Geissler, Bjoern ; Kolb, Oliver ; Lang, Jens ; Leugering, Guenter ; Martin, Alexander ; Morsi, Antonio :
Mixed integer linear models for the optimization of dynamical transport networks.
In: Mathematical Methods of Operations Research, 73 pp. 339-362.
[Artikel], (2011)

Frank, Martin ; Lang, Jens ; Schäfer, Matthias :
Adaptive Finite Element Simulation of the Time-dependent Simplified P N Equations.
[Online-Edition: http://dx.doi.org/10.1007/s10915-011-9466-6]
In: Journal of Scientific Computing ISSN 0885-7474
[Artikel], (2011)

Domschke, Pia ; Kolb, Oliver ; Lang, Jens :
Adjoint-based control of model and discretisation errors for gas flow in networks.
[Online-Edition: http://dx.doi.org/10.1504/IJMMNO.2011.039427]
In: International Journal of Mathematical Modelling and Numerical Optimisation, 2 (2) p. 175. ISSN 2040-3607
[Artikel], (2011)

Lang, Jens ; Lilienthal, Martin ; Schnepp, Sascha :
Effizienz durch adaptive Simulationsverfahren.
In: forschen, Wissenschaftsmagazin der Technischen Universität Darmstadt pp. 16-19.
[Artikel], (2011)

Domschke, Pia ; Geissler, Björn ; Kolb, Oliver ; Lang, Jens ; Martin, A. ; Morsi, A. :
Combination of Nonlinear and Linear Optimization of Transient Gas Networks.
[Online-Edition: http://dx.doi.org/10.1287/ijoc.1100.0429]
In: INFORMS Journal on Computing ISSN 1091-9856
[Artikel], (2010)

Clever, Debora ; Lang, Jens ; Ulbrich, Stefan ; Ziems, Jan :
Combination of an Adaptive Multilevel SQP Method and a Space-Time Adaptive PDAE Solver for Optimal Control Problems.
In: Procedia Computer Science.
[Konferenz- oder Workshop-Beitrag], (2010)

Kolb, Oliver ; Domschke, Pia ; Lang, Jens :
Moving Penalty Functions for Optimal Control with PDEs on Networks.
[Online-Edition: http://dx.doi.org/10.1007/978-3-642-12110-4_148]
In: Progress in Industrial Mathematics at ECMI 2008, 15 pp. 925-931. ISSN 1612-3956
[Artikel], (2010)

Huang, Weizhang ; Kamenski, Lennard ; Lang, Jens :
A new anisotropic mesh adaptation method based upon hierarchical a posteriori error estimates.
[Online-Edition: http://dx.doi.org/10.1016/j.jcp.2009.11.029]
In: Journal of Computational Physics, 229 (6) p. 2179. ISSN 00219991
[Artikel], (2010)

Wimmer, G. ; Clemens, M. ; Lang, Jens :
Calculation of magnetic fields with finite elements.
In: From nano to space : applied mathematics inspired by Roland Bulirsch / Michael H. Breitner ... (ed.) . - Berlin [u.a.] : Springer, 2008 SBN: 978-3-540-74237-1. Springer, Berlin [u.a.]
[Buchkapitel], (2008)

Kolb, Oliver ; Lang, Jens ; Bales, Pia :
Adaptive linearized models for optimization of gas networks.
In: International Congress on Industrial and Applied Mathematics <Zürich,2007> ; PAMM, Proc. Appl. Math. Mech. 7 ; 1061301-1061302 .
[Konferenz- oder Workshop-Beitrag], (2007)

Lang, Jens ; Debrabant, Kristian ; Verwer, Jan :
On global error control for parabolic PDEs.
In: Oberwolfach reports, 4 1702--1704.
[Artikel], (2007)

Lang, Jens ; Verwer, J. :
On global error estimation and control for initial value problems.
In: SIAM Journal on Scientific Computing, 29 pp. 1460-1475.
[Artikel], (2007)

Teleaga, Ioan ; Lang, Jens :
Towards the description of modelling and numerical errors in LES.
In: Proceedings of the 1st workshop "Quality Assessment of Unsteady Methods for Turbulent Combustion Prediction and Validation", June 16-17, Seeheim, Germany, (2005) .
[Konferenz- oder Workshop-Beitrag], (2005)

Lang, Jens ; Cao, Weiming ; Huang, Weizhang ; Russell, Robert:
D. a two-dimensional moving finite element method with local refinement based on a posteriori error estimates.
Technische Hochschule Darmstadt, Fachbereich Mathematik, Darmstadt
[Buch], (2002)

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