Aeroacoustic Simulation of Flow Through Porous Media Based on Lattice Boltzmann Method

  • Jiaxing QiEmail author
  • Manuel Hasert
  • Harald Klimach
  • Sabine Roller


This work presents the simulation of a flow through a porous silencer on the parallel super computing system Hornet at the HLRS in Stuttgart. This engineering problem poses a challenging task due to the complexity given the presence of multiple scales in space and time. We highlight the computational requirements for this simulation and the need for large scale data processing. The simulation is performed using our flow solver Musubi, which is based on the Lattice Boltzmann Method. We explain the design features of Musubi and show how these allow to exploit large scale parallel systems with distributed memory efficiently. Performance and scalability of Musubi is evaluated on Hornet with up to 2048 nodes. Using an interpolation supplemented local mesh refinement technique enables the simultaneous flow simulation inside the micro-porous structure and the sound wave propagation in bulk space. Some preliminary simulation results with this approach is finally provided, showing sound generation and propagation in this direct aero-acoustic setup.


Porous Medium Lattice Boltzmann Method Sound Generation Collision Step Local Mesh Refinement 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



The performance measurement were performed on the Hornet supercomputer at the High Performance Computing Center Stuttgart (HLRS). The authors wish to thank for the computing time and the technical support.


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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Jiaxing Qi
    • 1
    Email author
  • Manuel Hasert
    • 2
  • Harald Klimach
    • 3
  • Sabine Roller
    • 1
  1. 1.Simulation Techniques and Scientific ComputingUniversity of SiegenSiegenGermany
  2. 2.Festo AG & Co. KGEsslingenGermany
  3. 3.University of SiegenSiegenGermany

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