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Contact

TU Dortmund
Faculty of Mathematics — Chair III of Applied Mathematics
Vogelpothsweg 87
44227 Dortmund
Germany
Phone: +49-(0)231-755-3076
Fax: +49-(0)231-755-5933
E-mail:

Dr. Hilmar Wobker

Technische Universität Dortmund
Vogelpothsweg 87
44227 Dortmund
Dr. Hilmar Wobker
RoomM 1041
Telephone(0231) 755-7218
Telefax(0231) 755-5933
E-mail

Tasks

  • Software project FEAST
  • Supervision of master- and PHD-students
  • Organiser of the LS III Coffee Club

Research Interests

  • Computational Solid Mechanics (CSM)
  • large deformation, incompressible materials
  • Computational Fluid Dynamics (CFD)
  • Finite Element Methods
  • Efficient and robust solving techniques for linear and nonlinear problems
  • Multilevel/multigrid methods
  • Schur complement solving techniques for saddle point problems
  • High Performance Computing (HPC)
  • Parallel computing

Papers

Authors Title / Event / Year Download

Thesis
Wobker, H. Efficient Multilevel Solvers and High Performance Computing Techniques for the Finite Element Simulation of Large-Scale Elasticity Problems, http://hdl.handle.net/2003/26998, 2010 [BibTeX]

Journals, Proceedings and Techreports
Turek, S.; Göddeke, D.; Buijssen, S.; Wobker, H. Hardware-Oriented Multigrid Finite Element Solvers on (GPU)-Accelerated Clusters, Kurzak, J., Bader, D., Dongarra, J., chapter 6, 113-130, Scientific Computing with Multicore and Accelerators, CRC Press, doi: 10.1201/b10376-10, 2010 [BibTeX]
Turek, S.; Göddeke, D.; Buijssen, S.; Wobker, H. Hardware-Oriented Multigrid Finite Element Solvers on GPU-Accelerated Clusters, Ergebnisberichte des Instituts für Angewandte Mathematik Nummer 406, Fakultät für Mathematik, TU Dortmund, 406, 2010 [BibTeX] [PDF]
Turek, S.; Göddeke, D.; Becker, C.; Buijssen, S.; Wobker, H. FEAST -- Realisation of hardware-oriented Numerics for HPC simulations with Finite Elements, Concurrency and Computation: Practice and Experience, 6, 2247-2265, Special Issue Proceedings of ISC 2008. doi:10.1002/cpe.1584, 2010 [BibTeX]
Turek, S.; Göddeke, D.; Becker, C.; Buijssen, S.; Wobker, H. FEAST -- Realisation of hardware-oriented Numerics for HPC simulations with Finite Elements, Ergebnisberichte des Instituts für Angewandte Mathematik Nummer 401, Fakultät für Mathematik, TU Dortmund, 401, 2010 [Abstract] [BibTeX] [PDF]
Turek, S.; Hron, J.; Razzaq, M.; Wobker, H.; Schäfer, M. Numerical Benchmarking of Fluid-Structure Interaction: A comparison of different discretization and solution approaches, Ergebnisberichte des Instituts für Angewandte Mathematik Nummer 405, Fakultät für Mathematik, TU Dortmund, 405, 2010 [Abstract] [BibTeX] [PDF]
Turek, S.; Hron, J.; Madlik, M.; Razzaq, M.; Wobker, H.; Acker, J. Numerical simulation and benchmarking of a monolithic multigrid solver for fluid-structure interaction problems with application to hemodynamics, Ergebnisberichte des Instituts für Angewandte Mathematik Nummer 403, Fakultät für Mathematik, TU Dortmund, 403, 2010 [Abstract] [BibTeX] [PDF]
Göddeke, D.; Wobker, H.; Strzodka, R.; Mohd-Yusof, J.; McCormick, P.; Turek, S. Co-processor acceleration of an unmodified parallel solid mechanics code with FEASTGPU, International Journal of Computational Science and Engineering, 4, 4, 254-269, DOI: 10.1504/IJCSE.2009.029162, 2009 [Abstract] [BibTeX]
Göddeke, D.; Buijssen, S.; Wobker, H.; Turek, S. GPU Acceleration of an Unmodified Parallel Finite Element Navier-Stokes Solver, Smari, W., McIntire, J., 12-21, High Performance Computing & Simulation 2009, Logos Verlag, 2009 [BibTeX]
Göddeke, D.; Buijssen, S.; Wobker, H.; Turek, S. GPU Acceleration of an Unmodified Parallel Finite Element Navier–Stokes Solver, Ergebnisberichte des Instituts für Angewandte Mathematik Nummer 392, Fakultät für Mathematik, TU Dortmund, 392, 2009 [Abstract] [BibTeX]
Wobker, H.; Turek, S. Numerical studies of Vanka-type smoothers in computational solid mechanics, Adv. Appl. Math. Mech., 1, 1, 29-55, 2009 [BibTeX]
Buijssen, S.; Wobker, H.; Göddeke, D.; Turek, S. FEASTSolid and FEASTFlow: FEM applications exploiting FEAST`s HPC technologies, Nagel, W., Resch, M., Transactions of the High Performance Computing Center Stuttgart (HLRS) 2008, 425-440, High Performance Computing in Science and Engineering 2008, Springer, doi: 10.1007/978-3-540-88303-6_30, 2008 [Abstract] [BibTeX]
Göddeke, D.; Strzodka, R.; Mohd-Yusof, J.; McCormick, P.; Wobker, H.; Becker, C.; Turek, S. Using GPUs to improve multigrid solver performance on a cluster, International Journal of Computational Science and Engineering, 4, 1, 36-55, doi: 10.1504/IJCSE.2008.021111, 2008 [BibTeX]
Turek, S.; Göddeke, D.; Becker, C.; Buijssen, S.; Wobker, H. UCHPC: Unconventional High-Performance Computing for finite element simulations, Winner of the first PRACE award; http://www.prace-project.eu/news/prace-award-presented-to-young-scientist-at-isc201908, 2008 [BibTeX]
Köster, M.; Göddeke, D.; Wobker, H.; Turek, S. How to gain speedups of 1000 on single processors with fast FEM solvers - Benchmarking numerical and computational efficiency, Ergebnisberichte des Instituts für Angewandte Mathematik Nummer 382, Fakultät für Mathematik, TU Dortmund, 382, 2008 [Abstract] [BibTeX] [PDF]
Buijssen, S.; Wobker, H.; Göddeke, D.; Turek, S. FEASTSolid and FEASTFlow: FEM applications exploiting FEAST`s HPC technologies, Ergebnisberichte des Instituts für Angewandte Mathematik Nummer 371, Fakultät für Mathematik, TU Dortmund, 371, 2008 [Abstract] [BibTeX] [PDF]
Göddeke, D.; Wobker, H.; Strzodka, R.; Mohd-Yusof, J.; McCormick, P.; Turek, S. Co-processor acceleration of an unmodified parallel solid mechanics code with FEASTGPU, Ergebnisberichte des Instituts für Angewandte Mathematik Nummer 367, Fakultät für Mathematik, TU Dortmund, 367, 2008 [Abstract] [BibTeX] [PDF]
Turek, S.; Göddeke, D.; Becker, C.; Buijssen, S.; Wobker, H. UCHPC - UnConventional High Performance Computing for finite element simulations, Ergebnisberichte des Instituts für Angewandte Mathematik Nummer 360, Fakultät für Mathematik, TU Dortmund, 360, 2008 [Abstract] [BibTeX] [PDF]
Wobker, H.; Turek, S. High Performance Computing techniques for the FEM simulation in solid mechanics, Galdi, G., Rannacher, R., Turek, S., Oberwolfach Reports, 4, 3174-3178, Mini-Workshop: Theory and Numerics of Fluid-Solid Interaction, European Mathematical Society Publishing House, 2007 [BibTeX]
Göddeke, D.; Strzodka, R.; Mohd-Yusof, J.; McCormick, P.; Wobker, H.; Becker, C.; Turek, S. Using GPUs to improve multigrid solver performance on a cluster, Ergebnisberichte des Instituts für Angewandte Mathematik Nummer 353, Fakultät für Mathematik, TU Dortmund, 353, 2007 [Abstract] [BibTeX] [PDF]
Göddeke, D.; Wobker, H.; Strzodka, R.; Mohd-Yusof, J.; McCormick, P.; Turek, S. Co-processor acceleration of an unmodified parallel structural mechanics code with FEAST-GPU , Supercomputing 2007 posters, 2007 [BibTeX] [PDF]
Wobker, H.; Turek, S. Numerical studies of Vanka-type smoothers in computational solid mechanics, Ergebnisberichte des Instituts für Angewandte Mathematik Nummer 342, Fakultät für Mathematik, TU Dortmund, 342, 2007 [Abstract] [BibTeX] [PDF]
Wobker, H.; Turek, S.; Svendsen, B. High Performance Computing Techniques for the FEM Simulation in Structural Mechanics, 6, 1, 773-774, PAMM - Proceedings in Applied Mathematics and Mechanics, Interscience Publ., 2006 [BibTeX]
Becker, C.; Buijssen, S.; Wobker, H.; Turek, S. FEAST: Development of HPC technologies for FEM applications, Münster, G., Wolf, D., Kremer, M., NIC Series, 32, 299-306, NIC Symposium 2006, Graphische Betriebe, Forschungszentrum Jülich, 2006 [BibTeX]
Wobker, H.; Turek, S.; Svendsen, B. High Performance Computing Techniques for the FEM Simulation in CSM, Annual Report for the NRW Graduate School of Production Engineering and Logistics, 2005 [BibTeX]
Buijssen, S.; Wobker, H.; Turek, S. High Performance FEM Simulation in CFD and CSM, Ergebnisberichte des Instituts für Angewandte Mathematik Nummer 293, Fakultät für Mathematik, TU Dortmund, 293, 2005 [Abstract] [BibTeX] [PDF]
Buijssen, S.; Wobker, H.; Turek, S. High Performance FEM Simulation in CFD and CSM, p.46--49, Research Report, NRW Graduate School of Production Engineering and Logistics, 2005 [Abstract] [BibTeX] [PDF]
Becker, C.; Buijssen, S.; Wobker, H.; Turek, S. FEAST: Development of HPC technologies for FEM applications, Ergebnisberichte des Instituts für Angewandte Mathematik Nummer 307, Fakultät für Mathematik, TU Dortmund, 307, 2005 [Abstract] [BibTeX] [PDF]
Buijssen, S.; Grajewski, M.; Turek, S.; Wobker, H. High Performance FEM Simulation, p.52--55, Research Report, NRW Graduate School of Production Engineering and Logistics , 2004 [Abstract] [BibTeX] [PDF]
Buijssen, S.; Grajewski, M.; Turek, S.; Wobker, H. High Performance FEM Simulation, Ergebnisberichte des Instituts für Angewandte Mathematik Nummer 271, Fakultät für Mathematik, TU Dortmund, 271, 2004 [Abstract] [BibTeX] [PDF]

Talks

Authors Title / Event / Year Download
Wobker, H. Efficient Multilevel Solvers and High Performance Computing Techniques for the Finite Element Simulation of Large-Scale Elasticity Problems, , Januar 2010, Universität Siegen [Abstract] [BibTeX] [PDF]
Turek, S.; Hron, J.; Wobker, H.; Razzaq, M. FOR 493 - P3: A monolithic multigrid FEM solver for fluid structure interaction, , April 2008 [BibTeX] [PDF]
Wobker, H.; Turek, S. High Performance Computing Techniques for the FEM Simulation in Solid Mechanics, Mini-Workshop: Theory and Numerics of Fluid-Solid Interaction, Oberwolfach, November 2007 [BibTeX] [PDF]
Turek, S.; Wobker, H.; Hron, J. A monolithic multigrid FEM solver for fluid structure interaction, , April 2007, FSW 493 [BibTeX] [PDF]
Wobker, H. Elasticity with FEAST, , April 2007, FSW 493 [BibTeX] [PDF]
Wobker, H. HPC Techniques for the FEM Simulation in Structural Mechanics, 77th Annual Meeting of GAMM, TU Berlin, März 2006 [BibTeX] [PDF]
Wobker, H. High Performance Computing Techniques for the FEM Simulation in CSM, 1st GACM Colloquium on Computational Mechanics, Bochum, Germany, Oktober 2005 [BibTeX] [PDF]