Publications

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Journal Article (31)

  1. 2015
    Journal Article
    Lang, N.; Mena, H.; Saak, J.: On the Benefits of the LDLT Factorization for Large-Scale Differential Matrix Equation Solvers. Linear Algebra and its Applications 480, pp. 44 - 71 (2015)
  2. Journal Article
    Saak, J.; Remón, A.: Interview: "Energiesparende Algorithmen?: Hochleistungsrechner auf dem Prüfstand". Laborpraxis (39), pp. 16 - 17 (2015)
  3. 2014
    Journal Article
    Benner, P.; Kürschner, P.; Saak, J.: Self-Generating and Efficient Shift Parameters in ADI Methods for Large Lyapunov and Sylvester Equations. Electronic Transactions on Numerical Analysis (ETNA) 43, pp. 142 - 162 (2014)
  4. Journal Article
    Benner, P.; Saak, J.; Schieweck, F.; Skrzypacz, P.; Weichelt, H. K.: A Non-Conforming Composite Quadrilateral Finite Element Pair for Feedback Stabilization of the Stokes Equations. Journal of Numerical Mathematics 22 (3), pp. 191 - 220 (2014)
  5. Journal Article
    Lang, N.; Saak, J.; Benner, P.: Model Order Reduction for Systems with Moving Loads. at - Automatisierungstechnik 62 (7), pp. 512 - 522 (2014)
  6. 2013
    Journal Article
    Benner, P.; Saak, J.: Numerical Solution of Large and Sparse Continuous Time Algebraic Matrix Riccati and Lyapunov Equations: A State of the Art Survey. GAMM Mitteilungen 36 (1), pp. 32 - 52 (2013)
  7. Journal Article
    Benner, P.; Saak, J.; Stoll, M.; Weichelt, H. K.: Efficient Solution of Large-Scale Saddle Point Systems Arising in Riccati-Based Boundary Feedback Stabilization of Incompressible Stokes Flow. SIAM Journal on Scientific Computing 35 (5 - Special Section: 2012 Copper Mountain Conference), pp. S150 - S170 (2013)
  8. Journal Article
    Benner, P.; Kürschner, P.; Saak, J.: An Improved Numerical Method for Balanced Truncation for Symmetric Second-Order Systems. Mathematical and Computer Modelling of Dynamical Systems 19 (6), pp. 593 - 615 (2013)
  9. Journal Article
    Benner, P.; Kürschner, P.; Saak, J.: Efficient Handling of Complex Shift Parameters in the Low-Rank Cholesky Factor ADI method. Numerical Algorithms 62 (2), pp. 225 - 251 (2013)
  10. 2012
    Journal Article
    Uddin, M. M.; Saak, J.; Kranz, B.; Benner, P.: Computation of a Compact State Space Model for an Adaptive Spindle Head Configuration with Piezo Actuators using Balanced Truncation. Production Engineering 6 (6), pp. 577 - 586 (2012)
  11. 2011
    Journal Article
    Benner, P.; Saak, J.: Efficient Balancing-Based MOR for Large-Scale Second-Order Systems. Mathematical and Computer Modelling of Dynamical Systems 17 (2), pp. 123 - 143 (2011)

Book Chapter (4)

  1. 2014
    Book Chapter
    Bänsch, E.; Benner, P.; Saak, J.; Weichelt, H. K.: Optimal Control-Based Feedback Stabilization of Multi-Field Flow Problems. In: Trends in PDE Constrained Optimization, pp. 173 - 188 (Eds. Leugering, G.; Benner, P.; Engell, S.; Griewank, A.; Harbrecht, H. et al.). Birkhäuser, Basel (2014)
  2. Book Chapter
    Benner, P.; Köhler, M.; Saak, J.: Fast Approximate Solution of the Non-Symmetric Generalized Eigenvalue Problem on Multicore Architectures. In: Parallel Computing Accelerating Computational Science and Engineering (CSE), pp. 143 - 152. IOS Press, Amsterdam (2014)
  3. Book Chapter
    Benner, P.; Saak, J.; Stoll, M.; Weichelt, H. K.: Efficient Solvers for Large-Scale Saddle Point Systems Arising in Feedback Stabilization of Multi-Field Flow Problems. In: System Modeling and Optimization: 26th IFIP TC 7 Conference, CSMO 2013, Klagenfurt, Austria, September 9-13, 2013, Revised Selected Papers, pp. 11 - 20 (Eds. Pötzsche, C.; Heuberger , C.; Kaltenbacher, B.; Rendl, F.). Springer, Berlin Heidelberg (2014)
  4. 2013
    Book Chapter
    Köhler, M.; Saak, J.: A shared memory parallel implementation of the IRKA algorithm for H2 model order reduction. In: Applied Parallel and Scientific Computing, Vol. 7782, pp. 541 - 544. Springer, Berlin (2013)

Conference Paper (23)

  1. 2018
    Conference Paper
    Benner, P.; Herzog, R.; Lang, N.; Riedel, I.; Saak, J.: Optimal Sensor Placement based on Model Order Reduction. In: Conference on Thermal Issues in Machine Tools: Proceedings 2018, pp. 355 - 365 (Eds. Ihlenfeldt, S.; Brecher, C.; Putz, M.; Billington, D.). Conference on Thermal Issues in Machine Tools, Dresden, Germany, March 21, 2018 - March 23, 2018. Wissenschaftliche Scripten, Auerbach /Vogtl. (2018)
  2. Conference Paper
    Hund, M.; Mlinarić, P.; Saak, J.: An H2xL2-Optimal Model Order Reduction Approach for Parametric Linear Time-Invariant Systems. 89th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM), Munich, Germany, March 19, 2018 - March 23, 2018. Proceedings in Applied Mathematics and Mechanics 18 (1), pp. 1 - 2 (2018)
  3. Conference Paper
    Saak, J.; Voigt, M.: Model Reduction of Constrained Mechanical Systems in M-M.E.S.S. 9th Vienna International Conference on Mathematical Modelling MATHMOD 2018, Vienna, Austria, February 21, 2018 - February 23, 2018. IFAC-PapersOnLine 51 (2), pp. 661 - 666 (2018)
  4. 2017
    Conference Paper
    Baran, B.; Benner, P.; Heiland, J.; Saak, J.: Towards Riccati-Feedback Control of Complex Flows with Moving Interfaces. 88th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM), Weimar, Germany, March 06, 2017 - March 10, 2017. Proceedings in Applied Mathematics and Mechanics 17 (1), pp. 769 - 770 (2017)
  5. Conference Paper
    Benner, P.; Saak, J.; Uddin, M. M.: Reduced-Order Modeling of Index-1 Vibrational Systems Using Interpolatory Projections. In: Proceedings of the 19th International Conference on Computer and Information Technology (ICCIT), pp. 134 - 138. 19th International Conference on Computer and Information Technology , Dhaka, Bangladesh, December 18, 2016 - December 20, 2016. (2017)
 
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