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Dr. rer. nat. Tobias Neckel

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Address:
TU München
Institut für Informatik
Boltzmannstr. 3
85748 Garching b. München
Office:
MI 02.05.055
Email:
Neckelmail.png
Phone:
(089) 289 18 632
Fax:
(089) 289 18 607
Office Hours:
by arrangement

Contents

General

Research

Research Topics

  • Uncertainty Quantification
  • Random Differential Equations
  • Efficient numerical algorithms
  • High performance computing
  • Hierarchic and adaptive methods (octrees/spacetrees, sparse grids)
  • Simulation of incompressible fluid flow
  • Fluid-structure interactions

Research Projects

Publications

Books


Journal & Conference Publications

Volume 2017

  • D. Jarema, H.-J. Bungartz, T. Görler, F. Jenko, T. Neckel and D. Told: Block-Structured Grids in Full Velocity Space for Eulerian Gyrokinetic Simulations [BibTeX].
    In Computer Physics Communications, Volume 215, p. 49 – 62. Elsevier, 2017.

Volume 2016

Volume 2015

Volume 2014

Volume 2013

Volume 2012

  • M. Lieb, M. Mehl, T. Neckel and K. Unterweger: HPC Fluid Flow Simulations in Porous Media Geometries [pdf] [BibTeX].
    In Seventh International Conference on Computational Fluid Dynamics, July 2012.
  • M. Lieb, T. Neckel, H.-J. Bungartz and S. Sun: Towards a Navier Stokes-Darcy Upscaling Based on Permeability Tensor Computation [] [BibTeX].
    In Proceedings of the International Conference on Computational Science, Volume 9 of Proceedings of the International Conference on Computational Science, ICCS 2012, p. 717–726. Elsevier, Omaha, June 2012.
  • W. Eckhardt and T. Neckel: Memory-Efficient Implementation of a Rigid-Body Molecular Dynamics Simulation [html] [BibTeX].
    In Proceedings of the 11th International Symposium on Parallel and Distributed Computing - ISPDC 2012, p. 103–110. IEEE, Munich, June 2012.
  • P. Neumann, H.-J. Bungartz, M. Mehl, T. Neckel and T. Weinzierl: A Coupled Approach 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

Volume 2010

Volume 2009

Volume 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 [] [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 2017

Volume 2016

  • T. Neckel: Random Ordinary Differential Equations (RODE) [pdf] [BibTeX].
    HIGH TEA @ SCIENCE, GUtech, Oman, March 2016.

Volume 2015

  • T. Neckel: Block-structured grids in gyrokinetic plasma simulation [pdf] [BibTeX].
    CompSE Workshop 2015, Institute for Aerodynamics, RWTH Aachen, December 2015.
  • M. Horsch, S. Werth, C. Niethammer, C. Glass, W. Eckhardt, P. Neumann, H.-J. Bungartz, J. Vrabec, H. Hasse and T. Neckel: Computational Molecular Engineering: An Emerging Technology in Process Engineering [BibTeX].
    SIAM CSE, Salt Lake City, March 2015.
  • T. Neckel: Applying UQ Approaches to Random Ordinary Differential Equations [BibTeX].
    SIAM CSE 2015, Salt Lake City, March 2015.

Volume 2014

  • T. Neckel: RPDE-RODE Reduction for Earthquake-induced Oscillations of Solid Structures [BibTeX].
    10th Conference of the American Institute of Mathematical Sciences, Madrid, July 2014.

Volume 2013

  • T. Neckel: Parallel Incompressible Flow Simulations using Divergence-free Finite Elements [BibTeX].
    Mafelap 2013, Brunel University, UK, June 2013.

Volume 2012

Volume 2011

  • T. Neckel and H.-J. Bungartz: The Bavarian Graduate School of Computational Engineering [BibTeX].
    COME/CSE Graduation Ceremony, TU München, November 2011.
  • T. Neckel: Divergence-Free Elements for Incompressible Flow on Cartesian Grids [pdf] [BibTeX].
    International Conference on Finite Elements in Flow Problems (FEF 2011), München, March 2011.
  • T. Neckel: Experiences Extending the CFD Solver of the PDE Framework Peano [pdf] [BibTeX].
    SIAM CS&E 2011, Reno, USA, March 2011.

Volume 2010

  • T. Neckel: Spatial Discretisation Schemes in the PDE Framework Peano [pdf] [BibTeX].
    ASME International Mechanical Engineering Congress & Exposition (IMECE 2010), Vancouver, Canada, November 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

  • 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.
  • T. Neckel: The PDE Framework Peano: An Environment for Efficient Flow Simulations [BibTeX].
    Rigorosum, Garching, July 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 [] [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.


Technical Reports

Volume 2017

Volume 2015


Posters

Volume 2017

Volume 2016

Volume 2015

  • F. Menhorn and T. Neckel: Uncertainty Quantification in Incompressible Flow using Sparse Grids [pdf] [BibTeX].
    SIAM CS&E 2015, Salt Lake City, Utah, March 2015.

Volume 2013

Volume 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.


Students

Volume 2017

  • F. Menhorn: Derivative-Free Stochastic Constrained Optimization using Gaussian Processes, with Application to a Scramjet [pdf] [BibTeX].
    Master's thesis, Institut für Informatik, Technische Universität München, March 2017.
  • V. Jacht: Verteilte Parallelisierung thermohydraulischer Simulationen in ATHLET mithilfe von PETSc [pdf] [BibTeX].
    Master's thesis, Institut für Informatik, Technische Universität München, March 2017.

Volume 2016

  • F. Künzner: New insights into uncertainty quantification for pedestrian simulation. [BibTeX].
    Workshop: How sociology, psychology, and physics influence pedestrian dynamics, University of Munich, December 2016.
  • S. Krivokapic: Implementation of an HPF5 Interface for the thermo-hydraulics code ATHLET [BibTeX].
    Master's thesis, Institut für Informatik, Technische Universität München, September 2016.

Volume 2015

  • K. Retzer: Numerical Simulation of the Boundary Excited Atmospheric Heat Equation with the RPDE-RODE Reduction Method [pdf] [BibTeX].
    Master's thesis, Fakultät für Mathematik, Technische Universität München, August 2015.

Volume 2014

  • B. Rüth: Implementation of test scenarios for incompressible flow using a divergence-free finite-element approach [pdf] [BibTeX].
    Bachelor's thesis, Institut für Informatik, Technische Universität München, October 2014.
  • C. Ziegner: Development of a benchmark suite for Uncertainty Quantification of laminar flow [pdf] [BibTeX].
    Bachelor's thesis, Institut für Informatik, Technische Universität München, October 2014.
  • F. Menhorn: Uncertainty Quantification in Incompressible Flow using Sparse Grids [pdf] [BibTeX].
    Bachelor's thesis, Institut für Informatik, Technische Universität München, June 2014.

Volume 2013

  • L. Kreschenska: Mathematische Behandlung von Makro-Mikro-Problemstellungen gekoppelter nicht-linearer Dynamischer Systeme [BibTeX].
    Master's thesis, Zentrum Mathematik, Technische Universität München, August 2013. pdf n.a. due to NDA.
  • V. Jacht: Implementation and Benchmarking of Sparse-Matrix Solvers for Two-Phase Flow Applications [pdf] [BibTeX].
    Bachelor's thesis, Institut für Informatik, Technische Universität München, June 2013.
  • N. Warneke: Divergenzfreie Finite-Elemente für die 3D Navier-Stokes Gleichungen auf kartesischen Gittern [pdf] [BibTeX].
    Master's thesis, Fakultät für Mathematik, Technische Universität München, May 2013.

Volume 2012

  • M. Schlick: Design and Implementation of Efficient Free Text Search Algorithms in the DS-2 Framework [pdf] [BibTeX].
    Diplomarbeit, Fakultät für Mathematik, Technische Universität München, December 2012.
  • B. Daqui Herrera: Performance tuning of regular Cartesian grids applied to incompressible flow problems [pdf] [BibTeX].
    Master's thesis, Institut für Informatik, Technische Universität München, July 2012.
  • B. Uekermann: Detached-Eddy Simulation for the parallel Finite Element Framework ALYA [pdf] [BibTeX].
    Diplomarbeit, Technische Universität München, May 2012.

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


Teaching

Research Stays Abroad

  • Feb-Apr 2017: Australian National University (ANU), Canberra, group of Prof. Markus Hegland
  • Mar 2016: GUtech, Muscat, Oman, Prof. Florian Rupp
  • Sep-Dec 2008: Tokyo Institute of Technology, Tokyo group of Prof. T. Aoki
  • Apr-Aug 2003: Centre National d'Etudes Spatiales (C. Talbot) / Ecole des Mines (N. Petit) / Ecole Polytechnique, Paris
  • Sep 2002 - Mar 2003: Ecole Polytechnique, Paris

Links