Research Group of Prof. Dr. M. Griebel
Institute for Numerical Simulation
maximize

Dr. Roberto Croce

Address: Institut für Numerische Simulation
Wegelerstr. 6
53115 Bonn
Germany
Office: We4 0.017
Phone: +49 228 733451
E-Mail: croce.ins.uni-bonn.de

Former member of the institute

Now at ETH Zuerich (https://www.bsse.ethz.ch/cobi/people/person-detail.html?persid=213301)

Research Interests

Research Projects

Cluster of Excellence: Hausdorff Center for Mathematics
Project Area J: High-dimensional problems and multi-scale methods
High-Performance Parallel Computing
Development of CFD Code NaSt3DGP

Completed Research Projects

Simulation of a Single Droplet Accelerated and Deformed by a Uniform Gas Flow
Cooperation with European Space Agency (ESA), the Netherlands
Simulation of viscoplastic fluids with free surfaces
Cooperation with Ecole Polytechnique Fédérale de Lausanne (EPFL), Switzerland
Flow through Porous Media: Computation of Permeability of Textile Reinforcements
Cooperation with Katholieke Universiteit Leuven, Belgium
Smallscale Modelling of Flow through and around Hydraulic Constructions, Waterways and Watercrafts
Cooperation with Bundesanstalt für Wasserbau (BAW), Germany
SFB 611: Singular phenomena and scaling in mathematical models
Project C3: Numerical optimization of dynamical wetting processes

Some mpeg-movies

Rotating ship
Cruising ship with large eddy turbulence
Droplet in shear flow
Temperature and large eddy turbulence
Incompressible Two-Phase Flows
Free Surface Flows with Voxel Obstacles
Moving-Contact-Line Problem in Coating Processes
Gas-Bubble Dynamics
Thermal and Chemical Transport
Lock Simulations
Mold Filling
Surface Tension Effects
Floating Body
Free Surface Flows with Level-Set-Geometry
Level-Set Particle Hybrid Schemes

Teaching

Contents of the Computational Fluid Dynamics (CFD) laboratory

Diploma Theses (co-supervised)

[1] M. Burkow. Numerische Simulation stroemungsbedingten Sedimenttransports und der entstehenden Gerinnebettformen. Diplomarbeit, Institut für Numerische Simulation, Universität Bonn, 2010.
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[2] A. Rüttgers. Multiscale Modelling of Dilute Polymeric Fluids with Stochastic and Fokker-Planck-based Methods. Diplomarbeit, Institut für Numerische Simulation, Universität Bonn, 2010.
bib | .pdf 1 ]
[3] P. Zaspel. Zweiphasige Navier-Stokes Fluidsimulationen in Maya: Konfiguration, Visualisierung und Animation. Diplomarbeit, Institut für Numerische Simulation, Universität Bonn, Apr. 2009.
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[4] M. Bürger. Eine adaptive Hamilton-Jacobi Level-Set-Reinitialisierung für Zweiphasenströmungen. Diplomarbeit, Institut für Numerische Simulation, Universität Bonn, July 2008.
bib | .pdf 1 ]
[5] S. Claus. Numerical Simulation of Unsteady Three-Dimensional Viscoelastic Oldroyd-B and Phan-Thien Tanner Flows. Diplomarbeit, Institut für Numerische Simulation, Universität Bonn, July 2008.
bib | .pdf 1 ]
[6] M. Klitz. Homogenised Fluid Flow Equations in Porous Media with Application to Permeability Computations in Textiles. Diplomarbeit, Institut für Numerische Simulation, Universität Bonn, July 2006.
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Publications

[1] R. Croce. Numerische Simulation der Interaktion von inkompressiblen Zweiphasenströmungen mit Starrkörpern in drei Raumdimensionen. Dissertation, Institut für Numerische Simulation, Universität Bonn, Bonn, Germany, 2010.
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[2] R. Croce, M. Griebel, and M. A. Schweitzer. Numerical simulation of bubble and droplet-deformation by a level set approach with surface tension in three dimensions. International Journal for Numerical Methods in Fluids, 62(9):963-993, 2009. Also available as SFB 611 Preprint no 431.
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[3] B. Verleye, R. Croce, M. Griebel, M. Klitz, S. Lomov, G. Morren, H. Sol, I. Verpoest, and D. Roose. Permeability of textile reinforcements: simulation, influence of shear, validation. In Composites science and technology, volume 68, pages 2804-2810. Elsevier Applied Science Publishers, Oct. 2008.
bib | .pdf 1 | Abstract ]
[4] R. Croce, M. Griebel, and M. A. Schweitzer. Numerical simulation of droplet-deformation by a level set approach with surface tension. Preprint 395, Sonderforschungsbereich 611, Universität Bonn, Bonn, Germany, 2008.
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[5] B. Verleye, R. Croce, M. Griebel, M. Klitz, S. Lomov, G. Morren, H. Sol, I. Verpoest, and D. Roose. Permeability of textile reinforcements:simulation; influence of shear, nesting and boundary conditions; validation. In Proceedings of the 9th International Conference on Flow Processes in Composite Materials, volume 9, Québec, 2008. International Conference on Flow Processes in Composite Materials edition.
bib | .pdf 1 | Abstract ]
[6] B. Verleye, M. Klitz, R. Croce, D. Roose, S. Lomov, and I. Verpoest. Computation of the permeability of textiles with experimental validation for monofilament and non crimp fabrics. In Computational Textile, volume 55 of Studies in Computational Intelligence, chapter 6, pages 93-110. Springer Berlin / Heidelberg, May 2007.
bib | DOI | .pdf 1 ]
[7] B. Verleye, R. Croce, M. Griebel, M. Klitz, S. Lomov, I. Verpoest, and D. Roose. Finite difference computation of the permeability of textile reinforcements with a fast stokes solver and new validation examples. In E. Cueto and F. Chinesta, editors, AIP Conference Proceedings, volume 907, pages 945-950, 2007.
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[8] B. Verleye, M. Klitz, R. Croce, D. Roose, S. Lomov, and I. Verpoest. Computation of the permeability of textiles. Preprint 269, Sonderforschungsbereich 611, Rheinische Friedrich-Wilhelms-Universität Bonn, Apr. 2006. Also available as Report TW 455, K.U. Leuven, Department of Computer Science.
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[9] J. Strybny, C. Thorenz, R. Croce, and M. Engel. A parallel 3d free surface navier-stokes solver for high performance computing at the german waterways administration. In The 7th Int. Conf. on Hydroscience and Engineering (ICHE-2006), Philadelphia, USA, September 2006.
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[10] B. Verleye, M. Klitz, R. Croce, M. Griebel, S. Lomov, D. Roose, and I. Verpoest. Predicting the permeability of textile reinforcements via a hybrid Navier-Stokes/Brinkman solver. In Binetruy, editor, Proceedings of the 8th International Conference on Flow Processes in Composite Materials (FPCM-8), pages 65-72, Ecole des Mines de Douai, Douai, 2006.
bib | .pdf 1 ]
[11] B. Verleye, M. Klitz, R. Croce, D. Roose, S. Lomov, and I. Verpoest. Computation of permeability of textile reinforcements. In Proceedings of the 17th IMACS World Congress, Paris, France, 2005. Also as Preprint No. 228, SFB 611, University of Bonn.
bib | .pdf 1 | Abstract ]
[12] R. Croce, M. Griebel, and M. A. Schweitzer. A parallel level-set approach for two-phase flow problems with surface tension in three space dimensions. Preprint 157, Sonderforschungsbereich 611, Universität Bonn, 2004.
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[13] R. Croce. Ein paralleler, dreidimensionaler Navier-Stokes-Löser für inkompressible Zweiphasenströmungen mit Oberflächenspannung, Hindernissen und dynamischen Kontaktflächen. Diplomarbeit, Institut für Angewandte Mathematik, Universität Bonn, Bonn, Germany, 2002.
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[14] P. Boeker, M. Wittkowski, O. Wallenfang, F. Koster, R. Croce, M. Griebel, B. Diekmann, and P. Schulze-Lammers. Tracerverfahren zur Validierung von Ausbreitungsmodellen für Geruchsemissionen. Agrartechnische Forschung, Landtechnik-net, pages 92-97, 2001. refereed electronical journal.
bib | .pdf 1 ]
[15] O. Wallenfang, P. Boeker, F. Koster, R. Croce, M. Griebel, B. Diekmann, and P. Schulze-Lammers. Zeitauflösendes Ausbreitungsmodell für Geruchsemissionen. In Proceedings: 5. Int. Tagung Bau, Technik und Umwelt, pages 86-91, Hohenheim, 2001.
bib ]
[16] P. Boeker, O. Wallenfang, F. Koster, R. Croce, B. Diekmann, M. Griebel, and P. Schulze-Lammers. The modelling of odour dispersion with time-resolved models. Agrartechnische Forschung, 4:E84-E89, 2000. refereed electronical journal.
bib | .pdf 1 | Abstract ]

Press Reports

Research Stays

[1] Ecole Polytechnique Federale de Lausanne (EPFL),
Laboratoire d'Hydraulique Environnementale,
Lausanne, Switzerland, March 4-31, 2007.
[2] Florida State University (FSU),
School of Computational Science,
Tallahassee, Florida, USA, October 1 - December 10, 2006.
[3] Katholieke Universiteit Leuven,
Departement Computerwetenschappen,
Leuven, Belgium, March 6-31, 2006.
[4] Ecole Polytechnique Federale de Lausanne (EPFL),
Laboratoire d'Hydraulique Environnementale,
Lausanne, Switzerland, February 16-26, 2006.
[5] The George Washington University, Department of Mathematics,
Washington DC, USA, 24.-31. January, 2004.

Workshops

[1] Sparse Tensor Discretizations of High-Dimensional Problems
ETH Zürich, Switzerland, 23.-27. August, 2010.
[2] Turbulenz - Grundlagen der Turbulenzmodellierung,
LSTM-Erlangen, Germany, 7.-11. April, 2003.
[3] Level-set methods and numerical methods for nonlinear evolution PDEs,
SINTEF, Geilo, Norway, 2.-7. March, 2003.

Talks

Conference contributions

[1] Incompressible Two-Phase Flows around Complex Rigid Objects,
Two-phase incompressible flows: modeling aspects and methods for numerical simulation, RWTH Aachen, Germany, June 25-27, 2007.
[2] Weiterentwicklung eines dreidimensionalen numerischen Mehrphasenmodells zum Einsatz auf einem Hochleistungsrechner der Bundesanstalt für Wasserbau,
Mehrdimensionale hydronumerische Modellierung von Wasserbauwerken und Schiffen, BAW Karlsruhe, Germany, April 26, 2007.
[3] Current Developments in NaSt3D/GPF for BAW - Embedded Geometries and Floating Rigid Bodies,
BAW Kolloqium Mehrdimensionale hydronumerische Modellierung von Wasserbauwerken und Schiffen, Karlsruhe, Germany, April 26, 2007.
[4] Simulation of Floating Rigid Bodies in Two Phase Flows,
CSE07 - SIAM conference on Computational Science and Engineering, Costa Mesa, California, USA, February 19-23, 2007.
[5] Computation of permeability of textile reinforcements,
IMACS2005 - 17th IMACS World Congress Scientific Computation, Applied Mathematics and Simulation, Paris, France, July 11-15, 2005.
[6] A Parallel 3D Level-Set Approach for Two-Phase Flow Problems with surface tension,
2nd International Berlin Workshop on Transport Phenomena with Moving Boundaries, TU Berlin, Germany, October 9-10, 2003.
[7] A parallel 3D incompressible Navier-Stokes solver for two-phase flow problems with surface tension using a level-set approach,
CNRS-DFG - Modelling and Simulation of Liquid-Vapor Flows, Kirchzarten, Freiburg, Germany, July 15-17, 2003.
[8] A parallel three dimensional incompressible Navier-Stokes solver for two-phase flow problems with surface tension using a level-set approach,
AMFLOW - Adaptive Methods for Flow Computation, Heidelberg, Germany, October 22-24, 2001.

Other Talks

[1] Coating Processes and New Numerical Challenges within Level-Set Methods,
Alcan Technology & Management Ltd., Neuhausen, Switzerland, January 18, 2007.
[2] Free Surface Flows and Embedded Geometries,
Florida State University, School of Computational Science, Tallahassee, Florida, USA, October 20, 2006.
[3] Level-Set simulation of droplet deformations due to shock wave disturbances,,
European Space Agency (ESA), Noordwijk, Netherlands, April 27, 2006.
[4] Predicting the permeability of textile reinforcements via a hybrid Navier-Stokes/Brinkman solver,
Katholieke Universiteit Leuven, Departement Computerwetenschappen, Leuven, Belgium, March 6-31, 2006.
[5] Simulation of the non-Boussinesq lock-exchange problem,
Laboratoire d'Hydraulique Environnementale, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland, February 16-26, 2006.
[6] A Parallel 3D Level-Set Approach for Two-Phase Flow Problems with surface tension,
Lehrstuhl fuer Strömungsmechanik, Erlangen, Germany, January 28, 2005.
[7] A Parallel 3D Level-Set Approach for Two-Phase Flow Problems with surface tension,
The George Washington University, Washington DC, USA, January 24-31, 2004.
[8] NaSt3DGPF - A Simulation Toolkit for Multi-Phase-Flows (with M. Griebel),
Bundesanstalt für Wasserbau (BAW), Karlsruhe, Germany, February 24, 2003.
[9] Ein paralleler, dreidimensionaler Navier-Stokes-Löser für inkompressible Zweiphasenströmungen mit Oberflächenspannung, Hindernissen und dynamischen Kontaktflächen,
Fraunhofer Institute, Kaiserslautern, Germany, August 30, 2002.