News Archive
Preprint: Inexact Low-Rank Newton-ADI Method for Large-Scale Algebraic Riccati Equations
May 28, 2015
Peter Benner, Matthias Heinkenschloss, Jens Saak, and Heiko Weichelt combine in this preprint various methods to effciently solve large-scale algebraic Riccati equations.
New Paper: Riccati-based Boundary Feedback Stabilization of Incompressible Navier-Stokes Flows
April 27, 2015
The recently published article Riccati-based
Boundary Feedback Stabilization of Incompressible Navier-Stokes
Flows appeared in the 2nd issue of the 37th SISC volume on
pages A832-A858. The article describes efficient numerical methods
to compute a Riccati based feedback stabilization via boundary
control input for incompressible Navier-Stokes equations.
New Publication: Optimal Control-Based Feedback Stabilization of Multi-field Flow Problems
December 30, 2014
The book chapter Optimal Control-Based Feedback
Stabilization of Multi-field Flow Problems appeared in the Springer book
Trends in PDE Constrained Optimization in the series
International
Series of Numerical Mathematics as volume 165 on the pages 173-188.
Events: 3rd Symposium of the German SIAM Student Chapters
August 28, 2014
The 3rd Symposium of the German SIAM Student Chapters
toke place in Magdeburg on 28.-29. of August 2014. We welcomed
guest from the other German SIAM Chapters in Heidelberg
and Trier. For the first time, members of the SIAM
Chapter in Prag participated to extend the international connections.
CSC News: Opening workshop of the SIAM Student Chapter Magdeburg officially announced in SIAM News.
February 12, 2014
The recent issue of SIAM News (Januar 2014) reports
about the opening workshop of the SIAM Student Chapter Magdeburg. The
workshop took place at the MPI Magdeburg on June 19th 2013. Edda Klipp from the Humboldt University Berlin was invited as the main speaker.
New Preprint:
Eberhard Bänsch, Peter Benner, Jens Saak, Heiko Weichelt:
Riccati-Based Boundary Feedback Stabilization of Incompressible Navier-Stokes Flow
September 20, 2013
This paper presents the results obtained within the SPP1253 project: Optimal Control-Based Feedback Stabilization in Multi-Field Flow Problems .
Events: Preconditioning of Iterative Methods - Theory and Applications
July 01, 2013
Heiko Weichelt will present his latest results about Preconditioning of Large-Scale Saddle Point Systems Arising in Riccati Feedback Stabilization of Coupled Flow Problems at
the PIM2013 in Prague (Czech Republic).
Events: Workshop on Numerical Methods for Optimal Control and Inverse Problems
March 11, 2013
Heiko Weichelt presented his latest results about Riccati-Based Boundary Feedback Stabilization of Multi-Field Flow Problems at the OCIP2013 in Garching by Munich (Germany).
Events: SPP1253 Final Meeting
February 24, 2013
The final meeting of the DFG SPP1253 Optimization with Partial Differential Equations was held at Banz monastery. Peter Benner, Heiko Weichelt and Jens Saak participated and presented the latest results of the local project Optimal Control-Based Feedback Stabilization of Multi-Field Flow Problems there. (Talk ca. 16MB as PDF)
New Preprint:
Peter Benner, Jens Saak, Friedhelm Schieweck, Piotr Skrzypacz, Heiko K. Weichelt:
A Non-Conforming Composite Quadrilateral
Finite Element Pair for Feedback Stabilization of the Stokes Equations
October 19, 2012
Events: DMV Annual Meeting 2012
September 17, 2012
Heiko Weichelt will present his latest results on the annual meeting of the Deutschen Mathematiker Vereinigung that takes place in Saarbrücken, Germany, from 17th til 20th of September 2012.
New Preprint:
Peter Benner, Jens Saak, Martin Stoll, Heiko Weichelt:
Efficient Solution of Large-Scale Saddle Point Systems Arising
in Riccati-Based Boundary Feedback Stabilization of Incompressible
Stokes Flow
June 20, 2012
This paper presents the results obtained within the SPP1253 project: Optimal Control-Based Feedback Stabilization in Multi-Field Flow Problems .
Events: Workshop on Nonlinear Model Order Reduction
May 06, 2012
The workshop will be held at Schloss Ringberg. The program including abstracts of the presentations can be downloaded here.
New visitor: Jan Heiland visiting from TU Berlin
April 18, 2012
Jan Heiland from TU Berlin will be visiting the CSC group. He will give a presentation titled Differential-algebraic Riccati Decoupling in Optimal Control of Flows in the CSC Reading Group. Main reason for the visit is a projected collaboration with Jens Saak, Norman Lang and Heiko Weichelt.
Events: Workshop on Numerical Methods for Optimal Control and Inverse Problems
March 13, 2012
Heiko Weichelt presented his latest results about Riccati-Based Boundary Feedback Stabilization of Incompressible Flow Problems at the OCIP2012 in Garching by Munich (Germany).
Events: Workshop on Matrix Equations and Tensor Techniques at RWTH Aachen
November 21, 2011
This workshop is the fourth in a series of workshops on matrix equations held previously in Leipzig 2005, Chemnitz 2007, and Braunschweig 2009. The workshops are organized by Peter Benner (MPI Magdeburg), Heike Fassbender (TU Braunschweig), Lars Grasedyck (RWTH Aachen), and Daniel Kressner (EPF Lausanne).
Events: Summer School Numerical Linear Algebra for Dynamical and High-Dimensional Systems
October 10, 2011
The Summer School Numerical Linear Algebra for Dynamical and High-Dimensional Systems will be held on October 10-15, 2011 in Trogir, Croatia and is organized by Peter Benner (MPI Magdeburg), Daniel Kressner (EPF Lausanne), Ninoslav Truhar (University of Osijek) and Zlatko Drmač (University of Zagreb).
Events: SPP1253 Anual Meeting
September 25, 2011
The anual meeting of the DFG SPP1253 Optimization with Partial Differential Equations will be held at Banz monastery. Peter Benner, Heiko Weichelt and Jens Saak will participate and present the latest results of the local project Optimal Control-Based Feedback Stabilization in Multi-Field Flow Problems there. (Talk)
Events: Verteidigung Diplomarbeit
December 21, 2010
Am 21. Dezember 2010, 14:00 Uhr, verteidigt Heiko Weichelt seine Diplomarbeit mit dem Titel Feedback-Stabilisierung von instationären, inkompressiblen Strömungen mit Riccati-Ansatz in Chemnitz im Raum 2/B202.