Home

News

Teaching

Chair

Members

Students

Alumni

Research

Job Offers / Student Projects

Further Activities

Internal

Dr. rer. nat. Tobias Neckel

From Sccswiki

Address:

TU München

Institut für Informatik

Boltzmannstr. 3

85748 Garching b. München

Office:

MI 02.05.055

Email:

Phone:

(089) 289 18 632

Fax:

(089) 289 18 607

Office Hours:

Friday, 13:00-14:00

Contents 1 General 2 Research 2.1 Research Topics 2.2 Research Projects 3 Publications 4 Talks 5 Students 6 Teaching 7 Links

General

since 2009: Program Coordinator of the Bavarian Graduate School of Computational Engineering (BGCE)

Research

Research Topics

• Simulation of incompressible fluid flow
• Fluid-structure interactions
• Hierarchic and adaptive methods (octrees/spacetrees)
• Turbulence simulation
• Multigrid
• High performance computing (cache and runtime optimisation)

Research Projects

• G8
• Helmholtz Graduate School for Plasma Physics
• Development of new methods for the production of highly reactive polyisobutenes (IGSSE project)
• Transregional Collaborative Research Centre 89 - Invasive Computing
• Numerical simulation of fluid-structure interactions on Cartesian grids (DFG-Forschergruppe 493)
• Numerical simulation of drift ratchets
• Konwihr Project: Computational Steering of Complex Flows

Publications

Volume 2012

• P. Neumann and T. Neckel: A dynamic mesh refinement technique for Lattice Boltzmann simulations on octree-like grids [BibTeX].
  In Computational Mechanics. Springer, April 2012. Published online.
• P. Neumann, H.-J. Bungartz, M. Mehl, T. Neckel and T. Weinzierl: Coupled Approaches for Fluid Dynamic Problems Using the PDE Framework Peano [BibTeX].
  In Commun. Comput. Phys., Volume 12(1), p. 65–84. Global Science Press, January 2012.

Volume 2011

• B. Gatzhammer, M. Mehl and T. Neckel: Partitioned Fluid-Structure Interaction Coupling Methods for Black-Box Solvers [BibTeX].
  In M. Behr, J. Lang, E. Rank and M. Schäfer (ed.), 2nd International Conference on Computational Engineering (ICCE 2011), p. 76–77. typographics GmbH, Darmstadt, October 2011.
• H.-J. Bungartz, B. Gatzhammer, M. Lieb, M. Mehl and T. Neckel: Towards Multi-Phase Flow Simulations in the PDE Framework Peano [pdf] [BibTeX].
  In Computational Mechanics, Volume 48(3), p. 365–376. Springer, 2011.

Volume 2010

• H.-J. Bungartz, J. Benk, B. Gatzhammer, M. Mehl and T. Neckel: Partitioned Simulation of Fluid-Structure Interaction on Cartesian Grids [BibTeX].
  In H.-J. Bungartz, M. Mehl and M. Schäfer (ed.), Fluid-Structure Interaction -- Modelling, Simulation, Optimisation, Part II, Volume 73 of LNCSE, p. 255–284. Springer, Berlin, Heidelberg, October 2010.
• H.-J. Bungartz, M. Mehl, T. Neckel and T. Weinzierl: The PDE framework Peano applied to fluid dynamics: an efficient implementation of a parallel multiscale fluid dynamics solver on octree-like adaptive Cartesian grids [pdf] [BibTeX].
  In Computational Mechanics, Volume 46(1), p. 103–114. Springer, Berlin Heidelberg, June 2010. published online.
• T. Neckel, M. Mehl and C. Zenger: Enhanced Divergence-Free Elements for Efficient Incompressible Flow Simulations in the PDE Framework Peano [BibTeX].
  In Prooceedings of the Fifth European Conference on Computational Fluid Dynamics, ECCOMAS CFD 2010, 14th-17th June 2010, Lissabon, 2010.
• M. Mehl, T. Neckel and P. Neumann: Navier–Stokes and Lattice–Boltzmann on octree-like grids in the 3 Peano framework [pdf] [BibTeX].
  In Int. J. Numer. Meth. Fluids, Volume 65(1), p. 67–86, 2010. published online. DOI: 10.1002/fld.2469..
• M. Mehl, B. Gatzhammer and T. Neckel: Partitioned Fluid-Structure Interaction Simulations Using a Hierarchical Cartesian Flow Solver [BibTeX].
  In Prooceddings of the Fifth European Conference on Computational Fluid Dynamics, ECCOMAS CFD 2010, 14th-17th June 2010, Lissabon, 2010.

Volume 2009

• M. Bader, H.-J. Bungartz, I. L. Muntean and T. Neckel: Software Engineering meets Scientific Computing - Group Projects in CSE Education [BibTeX].
  In International Journal of Computational Science and Engineering, Volume 4(4), p. 245–253, October 2009. Special Issue on Software Issues in Computational Science and Engineering.
• T. Neckel: The PDE Framework Peano: An Environment for Efficient Flow Simulations [pdf] [BibTeX].
  Dissertation, Institut für Informatik, Technische Universität München. Verlag Dr. Hut, June 2009. Dissertation erhältlich im Verlag Dr. Hut unter der ISBN 978-3-86853-147-3.
• H.-J. Bungartz, M. Mehl and T. Neckel: Steady-state Flow Simulations using Exact Jacobians on Cartesian Grids [BibTeX].
  In A. G. Malan, P. Nithiarasu and O. Oxtoby (ed.), Proceedings of the 1st African Conference on Computational Mechanics (Africomp), January 2009.

Volume 2008

• T. Neckel, M. Mehl, H.-J. Bungartz and T. Aoki: CFD simulations using an AMR-like approach in the PDE framework Peano [pdf] [BibTeX].
  In CFD2008, December 2008.
• M. Brenk, H.-J. Bungartz, M. Mehl, I. L. Muntean, T. Neckel and T. Weinzierl: Numerical Simulation of Particle Transport in a Drift Ratchet [BibTeX].
  In C. Johnson, D. Keyes and U. Rüde (ed.), SIAM Journal of Scientific Computing, Volume 30(6), p. 2777–2798, October 2008.
• M. Mehl, M. Brenk, I. L. Muntean, T. Neckel and T. Weinzierl: A Modular and Efficient Simulation Environment for Fluid-Structure Interactions with Large Domain Deformation [pdf] [BibTeX].
  In M. Papadrakakis and B. H. V. Topping (ed.), Proceedings of the Sixth International Conference on Engineering Computational Technology, Athens, September 2008. Civil-Comp Press, Kippen, Stirlingshire, United Kingdom, September 2008.
• M. Brenk, H.-J. Bungartz, M. Mehl, I. L. Muntean, T. Neckel and K. Daubner: An Eulerian Approach for Partitioned Fluid-structure Simulations on Cartesian Grids [pdf] [BibTeX].
  In Computational Mechanics, Volume 43(1), p. 115–124. Springer-Verlag, Berlin Heidelberg, 2008.
• I. L. Muntean, M. Mehl, T. Neckel and T. Weinzierl: Concepts for Efficient Flow Solvers Based on Adaptive Cartesian Grids [pdf] [BibTeX].
  In S. Wagner, M. Steinmetz, A. Bode and M. Brehm (ed.), High Performance Computing in Science and Engineering, Garching 2007. Springer, Berlin Heidelberg New York, 2008.
• M. Mehl, T. Neckel and T. Weinzierl: Concepts for the Efficient Implementation of Domain Decomposition Approaches for Fluid-Structure Interactions [pdf] [BibTeX].
  In U. Langer, M. Discacciati, D.E. Keyes, O.B. Widlund and W. Zulehner (ed.), Domain Decomposition Methods in Science and Engineering XVII, Volume 60 of Lecture Notes in Science an Enginnering, p. 591–598. Springer, Berlin Heidelberg New York, 2008.

Volume 2007

• M. Mehl, M. Brenk, I. L. Muntean, T. Neckel and T. Weinzierl: Benefits of Structured Cartesian Gris for the Simulation of Fluid-Structure Interactions [pdf] [BibTeX].
  In G. Yagawa, V.P. Iu, K. Kashiyama, N. Miyazaki, E. Arantes e Oliveira, S. Valliappan, T. Yabe, M.W. Yuan and S. Yoshimura (ed.), Proceedings of the Third Asian-Pacific Congress on Computational Mechanics, APCOM 07, December 2007. (published electronically, paper 20-2-3).
• T. Neckel and M. Brenk: A Coupling Environment for Fluid-Structure Interactions on Cartesian Grids [pdf] [BibTeX].
  In 2nd GACM Colloquium on Computational Mechanics, October 2007.
• M. Brenk, H.-J. Bungartz, M. Mehl, I. L. Muntean, T. Neckel and T. Weinzierl: A coupling environment for fluid-structure interactions on Cartesian grids [BibTeX].
  In P. Bergan, J. Garcia, E. Onate and T. Kvamsdal (ed.), International Conference on Computational Methods in Marine Engineering, June 2007.
• M. Brenk, H.-J. Bungartz, I. L. Muntean and T. Neckel: Simulating large particle movements in drift ratchets using Cartesian grids [BibTeX].
  In M. Papadrakakis, E. Onate and B. Schrefler (ed.), Int. Conf. on Computational Methods for Coupled Problems in Science and Engineering (COUPLED PROBLEMS 2007), p. 396–399, May 2007.

Volume 2006

• M. Brenk, H.-J. Bungartz and T. Neckel: Cartesian Discretisations for Fluid-Structure Interaction -- Consistent Forces [BibTeX].
  In P. Wesseling, E. Onate and J. Periaux (ed.), ECCOMAS CFD 2006, European Conference on Computational Fluid Dynamics, September 2006.
• M. Brenk, H.-J. Bungartz, M. Mehl and T. Neckel: Fluid-Structure Interaction on Cartesian Grids: Flow Simulation and Coupling Environment [4] [BibTeX].
  In H.-J. Bungartz and M. Schäfer (ed.), Fluid-Structure Interaction - Modelling, Simulation, Optimisation, Volume 53 of LNCSE, p. 233–269. Springer-Verlag, Berlin, Heidelberg, August 2006.

Volume 2005

• T. Neckel and C. Zenger: Cache-Oblivious Solution of the 2d Navier-Stokes Equations [ps] [BibTeX].
  In F. Hülsemann, M. Kowarschik and U. Rüde (ed.), Proceedings of the 18th Symposium Simulationstechnique (ASIM 2005), Volume 15 of Fortschritte in der Simulationstechnik – Frontiers in Simulation, p. 180–185. SCS Publishing House e.V., Erlangen, September 2005.
• T. Neckel: Einfache 2D-Fluid-Struktur-Wechselwirkungen mit einer cache-optimalen Finite-Element-Methode [pdf] [BibTeX].
  Diplomarbeit, Fakultät für Informatik, Technische Universität München, 2005.

Volume 2003

• T. Neckel, N. Petit and C. Talbot: Collocation and inversion for a reentry optimal control problem [pdf] [BibTeX].
  In Proc. of the 5th Intern. Conference on Launcher Technology, November 2003.

.

Talks

Volume 2011

• T. Neckel and H.-J. Bungartz: The Bavarian Graduate School of Computational Engineering [BibTeX].
  COME/CSE Graduation Ceremony, TU München, November 2011.
• K. Unterweger, M. Mehl, T. Neckel and T. Weinzierl: Massive Parallelization of an Incompressible Fluid Solver in the PDE Framework Peano [BibTeX].
  4th GACM Colloquium on Computational Mechanics, Technische Universität Dresden, August 2011.
• T. Neckel, M. Bendig, H.-J. Bungartz, M. Mehl and C. Zenger: Divergence-Free Elements for Incompressible Flow on Cartesian Grids [pdf] [BibTeX].
  International Conference on Finite Elements in Flow Problems (FEF 2011), München, March 2011.
• R. Sangl, M. Lieb, T. Neckel, P. Schoeffel and F. Weyermann: Simulation of Thermohydraulic Phenomena in the PDE Framework Peano [pdf] [BibTeX].
  ASIM Workshop 2011: Trends in CSE, Garching, March 2011.
• T. Neckel, M. Lieb, R. Sangl, P. Schoeffel and F. Weyermann: Experiences Extending the CFD Solver of the PDE Framework Peano [pdf] [BibTeX].
  SIAM CS&E 2011, Reno, USA, March 2011.

Volume 2010

• T. Neckel, H.-J. Bungartz, B. Gatzhammer, M. Mehl and C. Zenger: Spatial Discretisation Schemes in the PDE Framework Peano [pdf] [BibTeX].
  ASME International Mechanical Engineering Congress & Exposition (IMECE 2010), Vancouver, Canada, November 2010.
• P. Neumann, T. Neckel and T. Weinzierl: The Peano Framework [BibTeX].
  2nd European Seminar on Coupled Problems, Pilsen, June 2010.
• M. Mehl, T. Weinzierl and T. Neckel: A Memory-Efficient Data Handling for Octree-Like Grids [pdf] [BibTeX].
  Fifth European Conference on Computational Fluid Dynamics ECCOMAS CFD 2010, June 14th-17th, Lisbon, Portugal, Lissabon, June 2010.
• T. Neckel: Enhanced divergence-free elements for efficient incompressible flow simulations in the PDE framework Peano [pdf] [BibTeX].
  ECCOMAS CFD 2010, Lisbon, June 2010.

Volume 2009

• H.-J. Bungartz, D. Butnaru, M. Mehl, T. Neckel and T. Weinzierl: Parallel Multiscale CFD Codes [BibTeX].
  First International Workshop on Computational Engineering - Special Topic Fluid-Structure Interaction, Herrsching, October 2009.
• T. Neckel: FEM Simulations of Incompressible Flow using Automatic Differentiation in the PDE Framework Peano [pdf] [BibTeX].
  22nd Chemnitz FEM Symposium 2009, Oberwiesenthal, September 2009.
• M. Mehl, T. Neckel and B. Gatzhammer: Efficient Tools and Coupling Strategies for the Partitioned Simulation of Fluid-Structure Interactions [pdf] [BibTeX].
  ECCOMAS Thematic Conference on Computational Methods for Coupled Problems in Science and Engineering 2009, Ischia, Italy, June 2009.
• H.-J. Bungartz, B. Gatzhammer, M. Mehl, T. Neckel and T. Weinzierl: Flow Simulations with Peano [BibTeX].
  Finite Elements for Fluids, Tokyo, Japan, April 2009.
• T. Neckel: Steady-state Flow Simulations using Exact Jacobians on Cartesian Grids [pdf] [BibTeX].
  1st African Conference on Computational Mechanics (Africomp), Sun City, South Africa, January 2009.

Volume 2008

• T. Neckel: CFD simulations using an AMR-like approach in the PDE framework Peano [pdf] [BibTeX].
  CFD2008, Tokyo, December 2008.
• M. Mehl and T. Neckel: Development of New Methods for the Production of Highly-Reactive Polyisobutenes [ppt] [BibTeX], Fakultät für Chemie, TUM, Garching, July 2008.

Volume 2007

• T. Neckel: FSIce for Fluid-Structure Interactions on Cartesian Grids [pdf] [BibTeX].
  2nd GACM Colloquium on Computational Mechanics, Technische Universität München, October 2007.
• T. Neckel: Simulating large particle movements in drift ratchets using Cartesian grids [BibTeX].
  ECCOMAS COUPLED PROBLEMS 2007, Santa Eulalia, Ibiza (Spain), May 2007.

Volume 2005

• T. Neckel: Cache-Oblivious Solution of the 2d Navier-Stokes Equations [BibTeX].
  ASIM 2005, Erlangen, September 2005.

Students

Volume 2011

• F. Ferstl: Implementierung eines Algorithmus zur Berechnung von Freien Oberflächen in die Fluidlöser-Komponente von Peano [pdf] [BibTeX].
  Studienarbeit/SEP/IDP, Institut für Informatik, Technische Universität München, April 2011.
• R. Sangl: Simulation of Thermohydraulic Phenomena in the PDE Framework Peano [pdf] [BibTeX].
  Diplomarbeit, Fakultät für Mathematik, Technische Universität München, February 2011.

Volume 2009

• A. Atanasov: Design und Implementierung eines Computational Steering Frameworks für CFD-Simulationen [pdf] [BibTeX].
  Diplomarbeit, Institut für Informatik, Technische Universität München, August 2009.
• K. Unterweger: CFD simulations of moving geometries using Cartesian grids [pdf] [BibTeX].
  Diplomarbeit, Institut für Informatik, Technische Universität München, August 2009.
• A. Okur and J. Schlamp: Erweiterung eines stationären Navier-Stokes-Lösers [pdf] [BibTeX].
  Studienarbeit/SEP/IDP, February 2009.
• D. Butnaru and V. Petkov: From Research Codes To Production Software Packages (BGCE Honours Project) [BibTeX].
  Studienarbeit/SEP/IDP, Institut für Informatik, Technische Universität München, February 2009.
• B. Uekermann: Time-implicit ODE Solver for the incompressible Navier-Stokes Equations in Peano [pdf] [BibTeX].
  Studienarbeit/SEP/IDP, Fakultät für Mathematik, Technische Universität München, February 2009.

Volume 2008

• J. Landthaler: Integration of the PDE framework Peano in the Grid Environment GridSFEA [pdf] [BibTeX].
  Bachelor's thesis, Fakultät für Informatik, Technische Universität München, September 2008.
• M. Ibrahim: Integration of a Large Eddy Model for Turbulent Flow Simulations into the HPC Framework Peano [pdf] [BibTeX].
  Master's thesis, Fakultät für Informatik, Technische Universität München, September 2008.
• A. Atanasov: Entwicklung eines tecplot-Visualisierungsinterface für Strömungssimulationsdaten [pdf] [BibTeX].
  Studienarbeit/SEP/IDP, Fakultät für Informatik, Technische Universität München, April 2008.
• A. Berariu, A. Bocoi, B. Gatzhammer, K. Golab and B. Xin: Parallel Molecule Viewer - ParMolV (BGCE Honours Project) [BibTeX].
  Studienarbeit/SEP/IDP, Institut für Informatik, Technische Universität München, March 2008. BGCE project.

Volume 2007

• O. Meister and F. Reichl: Implementation of a steady-state Navier-Stokes solver [pdf] [BibTeX].
  Studienarbeit/SEP/IDP, Fakultät für Informatik, Technische Universität München, September 2007.
• V. Obler: Simulation inkompressibler instationärer Fluide unter Berücksichtigung physikalischer Erhaltungssätze in der Diskretisierung [pdf] [BibTeX].
  Diplomarbeit, Fakultät für Informatik, Technische Universität München, June 2007.

Volume 2006

• M. Bamakhrama, C. Guillen, U. Mayer and L. Wang: PeGSI - Peano Geometry Sophisticated Interface (BGCE Honours Project) [BibTeX].
  Studienarbeit/SEP/IDP, Fakultät für Informatik, Technische Universität München, 2006.

Teaching

• Lectures/Seminars/Exercises/Practicals:
  • Lecture Einführung in die wissenschaftliche Programmierung, WT 2011/2012
  • Practical Scientific Computing Lab, WT 2011/2012
  • Seminar Fluid-Structure Interaction, WT 2011/2012
  • Lecture Algorithms of Scientific Computing, ST 2011
  • Lecture Advanced Programming, WT 2010/2011
  • Lecture Algorithms of Scientific Computing, ST 2010
  • Lecture Introduction to Programming for CSE, WT 2009/2010
  • Seminar Fluid-Structure Interaction, WT 2009/2010
  • Exercises and Practical for the lecture Numerical Programming, WT 2009/2010
  • Exercises and Practical for the lecture Numerical Programming, WT 2008/2009
  • Practical Computational Fluid Dynamics, ST 2008
  • Exercises and Practical for the lecture Numerical Programming, WT 2007/2008
  • Practical Computational Fluid Dynamics, ST 2007
  • Exercises for the lecture Introduction to Programming II, ST 2007
  • Practical Scientific Computing, 2006/2007
  • Exercises and Practical for the lecture Numerical Programming, WT 2006/2007
  • Practical Computational Fluid Dynamics, ST 2006
  • Exercises and Practical for the lecture Numerical Programming, WT 2005/2006
  • Seminar Leading yourself and others, ST 2005

• Summer Schools (course assistant):
  • Ferienakademie 2007 (course 9)
  • JASS 2006 (course 2)
  • Ferienakademie 2005 (course 5)

Links

• Bavarian Graduate School of Science and Engineering
• Ferienakademie - a really nice thing ;-)
• The PDE Solver Framework Peano