Gabriel Wittum

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Gabriel Wittum

Calculated based on number of publications stored in Pure and citations from Scopus
1989 …2023

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  • 2021

    Propagation of Uncertainties in Density-Driven Flow

    Litvinenko, A., Logashenko, D., Tempone, R., Wittum, G. & Keyes, D. E., Oct 22 2021, Lecture Notes in Computational Science and Engineering. Springer International Publishing, p. 101-126 26 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • 2017

    3d modeling and simulation of a harpsichord

    Larisch, L., Piperkova, R., Rupp, M., Reiter, S. & Wittum, G., Jan 1 2017, 13th International Conference on Theoretical and Computational Acoustics, ICTCA 2017. Institute of Mechanics and Mechatronics, Faculty of Mechanical, TU Wien, Vol. 2017-July. 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Modelling and simulation of musical instruments

    Larisch, L., Rupp, M., Piperkova, R. & Wittum, G., Jan 1 2017, 13th International Conference on Theoretical and Computational Acoustics, ICTCA 2017. Institute of Mechanics and Mechatronics, Faculty of Mechanical, TU Wien

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • 2016

    Automated performance modeling of the UG4 simulation framework

    Vogel, A., Calotoiu, A., Nägel, A., Reiter, S., Strube, A., Wittum, G. & Wolf, F., Jan 1 2016, Software for Exascale Computing - SPPEXA 2013-2015. Nagel, W. E., Bungartz, H-J. & Neumann, P. (eds.). Springer Verlag, p. 467-481 15 p. (Lecture Notes in Computational Science and Engineering; vol. 113).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    2 Scopus citations

  • Automatic performance modeling of HPC applications

    Wolf, F., Bischof, C., Calotoiu, A., Hoefler, T., Iwainsky, C., Kwasniewski, G., Mohr, B., Shudler, S., Strube, A., Vogel, A. & Wittum, G., Jan 1 2016, Software for Exascale Computing - SPPEXA 2013-2015. Nagel, W. E., Bungartz, H-J. & Neumann, P. (eds.). Springer Verlag, p. 445-465 21 p. (Lecture Notes in Computational Science and Engineering; vol. 113).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    3 Scopus citations

  • On estimation of a viral protein diffusion constant on the curved intracellular ER surface

    Knodel, M. M., Nägel, A., Reiter, S., Rupp, M., Vogel, A., Lampe, M., Targett-Adams, P., Herrmann, E. & Wittum, G., Jan 1 2016, High Performance Computing in Science and Engineering '15: Transactions of the High Performance Computing Center, Stuttgart (HLRS) 2015. Springer International Publishing, p. 641-657 17 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    4 Scopus citations

  • Space and time parallel multigrid for optimization and uncertainty quantification in PDE simulations

    Grasedyck, L., Löbbert, C., Wittum, G., Nägel, A., Schulz, V., Siebenborn, M., Krause, R., Benedusi, P., Küster, U. & Dick, B., Jan 1 2016, Software for Exascale Computing - SPPEXA 2013-2015. Nagel, W. E., Bungartz, H-J. & Neumann, P. (eds.). Springer Verlag, p. 507-523 17 p. (Lecture Notes in Computational Science and Engineering; vol. 113).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    2 Scopus citations
  • 2015

    10,000 performance models per minute – scalability of the UG4 simulation framework

    Vogel, A., Calotoiu, A., Strube, A., Reiter, S., Nägel, A., Wolf, F. & Wittum, G., Jan 1 2015, Euro-Par 2015: Parallel Processing - 21st International Conference on Parallel and Distributed Computing, Proceedings. Traff, J. L., Hunold, S. & Versaci, F. (eds.). Springer Verlag, p. 519-531 13 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 9233).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    7 Scopus citations
  • 2014

    Mathematical modeling of acetoclastic methanogenesis in two-phase biogas-plants

    Muha, I., Schneider, J. & Wittum, G., Jul 1 2014, Methanogenesis: Biochemistry, Ecological Functions, Natural and Engineered Environments. Nova Science Publishers, Inc., p. 79-112 34 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • 2013

    Software framework ug4: Parallel multigrid on the hermit supercomputer

    Heppner, I., Lampe, M., Nägel, A., Reiter, S., Rupp, M., Vogel, A. & Wittum, G., Dec 1 2013, High Performance Computing in Science and Engineering '12: Transactions of the High Performance Computing Center, Stuttgart (HLRS) 2012. Springer-Verlag Berlin Heidelberg, Vol. 9783642333743. p. 435-449 15 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    17 Scopus citations

  • Software framework ug4: Parallel multigrid on the hermit supercomputer

    Heppner, I., Lampe, M., Nägel, A., Reiter, S., Rupp, M., Vogel, A. & Wittum, G., Sep 2 2013, High Performance Computing in Science and Engineering 2012 - Transactions of the High Performance Computing Center, Stuttgart, HLRS 2012. p. 435-449 15 p. (High Performance Computing in Science and Engineering 2012 - Transactions of the High Performance Computing Center, Stuttgart, HLRS 2012).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • 2011

    Software framework UG: Parallel simulation of a three-dimensional benchmark problem for thermohaline-driven flow

    Lampe, M., Grillo, A. & Wittum, G., 2011, High Performance Computing in Science and Engineering 2010 - Transactions of the High Performance Computing Center, Stuttgart, HLRS 2010. p. 553-560 8 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • 2009

    Calculation of default probability (PD) solving merton model PDEs on sparse grids

    Schroeder, P. & Wittum, G., Nov 25 2009, IPDPS 2009 - Proceedings of the 2009 IEEE International Parallel and Distributed Processing Symposium. 5161149. (IPDPS 2009 - Proceedings of the 2009 IEEE International Parallel and Distributed Processing Symposium).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Efficient multigrid solver for the 3D random walker algorithm

    Wang, X., Heimann, T., Naegel, A., Wittum, G. & Meinzer, H. P., 2009, Medical Imaging 2009 - Image Processing. Vol. 7259. 72593R

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    3 Scopus citations
  • 2008

    Analysis of uniform and adaptive LES in natural convection flow

    Hauser, A. & Wittum, G., 2008, Quality and Reliability of Large-Eddy Simulations. Springer Netherland, Vol. 12. p. 105-116 12 p. (ERCOFTAC Series; vol. 12).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    2 Scopus citations
  • 2007

    Lake dynamics: Observation and high-resolution numerical simulation

    Von Rohden, C., Hauser, A., Wunderle, K., Ilmberger, J., Wittum, G. & Roth, K., 2007, Reactive Flows, Diffusion and Transport: From Experiments via Mathematical Modeling to Numerical Simulation and Optimization Final Report of SFB (Collaborative Research Center) 359. Springer Berlin Heidelberg, p. 599-619 21 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Multigrid methods for large-eddy simulation

    Gordner, A., Nägele, S. & Wittum, G., Dec 1 2007, Reactive Flows, Diffusion and Transport: From Experiments via Mathematical Modeling to Numerical Simulation and Optimization Final Report of SFB (Collaborative Research Center) 359. Springer Berlin Heidelberg, p. 375-396 22 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Parallel large eddy simulation with UG

    Hauser, A. & Wittum, G., 2007, High Performance Computing in Science and Engineering 2006 - Transactions of the High Performance Computing Center Stuttgart, HLRS 2006. p. 269-278 10 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    1 Scopus citations
  • 2005

    A coarsening multigrid method for flow in heterogeneous porous media

    Eberhard, J. & Wittum, G., 2005, Multiscale Methods in Science and Engineering. Vol. 44. p. 111-132 22 p. (Lecture Notes in Computational Science and Engineering; vol. 44).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    6 Scopus citations
  • 1993

    Diffusant concentration profiles within corneocytes and lipid phase of stratum corneum

    Lieckfeldt, R., Lee, G. W. J., Wittum, G. & Heisig, M., 1993, Proceedings of the Controlled Release Society. 20 ed. p. 10-11 2 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    4 Scopus citations