Photo of Adrian Kummerländer

M.Sc. Adrian Kummerländer

  • Institute for Applied and Numerical Mathematics
    Karlsruhe Institute of Technology
    Englerstr. 2
    76131 Karlsruhe

Research Interests

My primary focus are the efficient implementation of Lattice Boltzmann Methods on heterogeneous High Performance Computers.

One of my main projects is OpenLB – An Open Source High Performance Lattice Boltzmann Code for Heterogeneous CPU-GPU Clusters financed by NHR@KIT. I am also involved in FALCON and HiResHemo.

Showcase for Efficient FSI using HLBM


  • A. Kummerländer, F. Bukreev, D. Teutscher, M. Dorn, and M.J. Krause. Optimization of Single Node Load Balancing for Lattice Boltzmann Methods on Heterogeneous High Performance Computers. Preprint, under review. DOI: 10.2139/ssrn.4713497.
  • A. Kummerländer, S. Avis, H. Kusumaatmaja, F. Bukreev, M. Crocoll, D. Dapelo, N. Hafen, S. Ito, J. Jeßberger, J.E. Marquardt, J. Mödl, T. Pertzel, F. Prinz, F. Raichle, M. Schecher, S. Simonis, D. Teutscher, and M.J. Krause. OpenLB Release 1.6: Open Source Lattice Boltzmann Code. DOI: 10.5281/zenodo.7773497.
  • A. Kummerländer, F. Bukreev, S. Berg, M. Dorn and M.J. Krause. Advances in Computational Process Engineering using Lattice Boltzmann Methods on High Performance Computers. In: High Performance Computing in Science and Engineering ’22 (accepted).
  • A. Kummerländer, S. Avis, H. Kusumaatmaja, F. Bukreev, D. Dapelo, S. Großmann, N. Hafen, C. Holeksa, A. Husfeldt, J. Jeßberger, L. Kronberg, J. Marquardt, J. Mödl, J. Nguyen, T. Pertzel, S. Simonis, L. Springmann, N. Suntoyo, D. Teutscher, M. Zhong and M.J. Krause. OpenLB Release 1.5: Open Source Lattice Boltzmann Code. Version 1.5. Apr. 2022. DOI: 10.5281/zenodo.6469606.
  • A. Kummerländer, M. Dorn, M. Frank, and M.J. Krause. Implicit Propagation of Directly Addressed Grids in Lattice Boltzmann Methods. In: Concurrency and Computation. DOI: 10.1002/cpe.7509. Presented at ParCFD 2021.
  • F. Prinz, J. Pokorný, J. Elcner, F. Lizal, O. Mišik, M. Malý, M. Bělka, N. Hafen, A. Kummerländer, M.J. Krause, J. Jedelský, M. Jicha. Comprehensive experimental and numerical validation of Lattice Boltzmann fluid flow and particle simulations in a child respiratory tract. In: Computers in Biology and Medicine (2024). DOI: 10.1016/j.compbiomed.2024.107994.
  • F. Bukreev, S. Simonis, A. Kummerländer, J. Jeßberger, and M.J. Krause. Consistent lattice Boltzmann methods for the volume averaged Navier–Stokes equations. In: Journal of Computational Physics. DOI: 10.1016/
  • D. Dapelo, A. Kummerländer, M.J. Krause, and J. Bridgeman. Lattice-Boltzmann LES modelling of a full-scale, biogas-mixedanaerobic digester. In: Engineering with Computers. DOI: 10.1007/s00366-023-01854-3.
  • A. Selmi, S. Bhapkar, C. Nagel, A. Kummerländer, and M.J. Krause. Simulation of Temperature Driven Microflows Using a Lattice Boltzmann Method in Slip and Moderate Transition Regimes. In: 24th International Conference on Thermal, Mechanical and Multi-Physics Simulation and Experiments in Microelectronics and Microsystems. DOI: 10.1109/EuroSimE56861.2023.10100812.
  • M.J. Krause, A. Kummerländer, S.J. Avis, H. Kusumaatmaja, D. Dapelo, F. Klemens, M. Gaedtke, N. Hafen, A. Mink, R. Trunk, J.E. Marquardt, M.L. Maier, M. Haussmann, and S. Simonis. OpenLB–Open source lattice Boltzmann code. In: Computers & Mathematics with Applications (2020). DOI: 10.1016/j.camwa.2020.04.033.

Conferences / Talks

  • Optimization of Heterogeneous Load Balancing - Cooperative utilization of SIMD CPUs and GPUs for Lattice Boltzmann Methods in OpenLB. ISC High Performance 2024, Hamburg, Germany. May 2024.
  • Load Balancing of Lattice Boltzmann Methods for Heterogeneous High Performance Computers. Discrete Simulation of Fluid Dynamics DSFD 2023, Albuquerque, NM, USA. July 2023.
  • Research Software Engineering in OpenLB: Refactoring a Legacy Code to State-Of-The-Art Performance. deRSE23, Paderborn, Germany. February 2023. DOI: 10.5281/zenodo.7662082
  • Lattice Boltzmann Performance Engineering in OpenLB. HiRSE Seminar Series. Online, December 2022. DOI: 10.5281/zenodo.7389379
  • Implicit Propagation of Directly Addressed Grids in Lattice Boltzmann Methods. 32nd ParCFD, Nice, France. May 2021

Theses (offered topics)

Topic Type
Efficient Fluid Structure Interaction in Lattice Boltzmann Methods Bachelor- / Masterthesis
Usage of various accelerators in a heterogeneous LBM framework Bachelor- / Masterthesis
Load Balancing for heterogeneous LBM simulations Bachelor- / Masterthesis

These topics are suggestions for an initial discussion. The actual topic can be adapted to fit the profile and interests of the student.
Also feel free to contact me with own thesis ideas at the intersection of LBM and HPC.

Curriculum Vitae

Since 05/2021Doctorate at the Lattice Boltzmann Research Group, KIT
2019-2021Master studies of Mathematics at KIT with subject area Computer Science
2015-2019Bachelor studies of Mathematics at KIT with subject area Computer Science
2010-2013Vocational training as a Software Developer