Development and apllications of hybrd LES-RANS methods for turbulent flows of high Reynolds numbers, details under DFG CNRS Research Unit 507, A French-German Research Group LES of Complex Flows


1. Development and application of simulation methods for fluid-structure interactions in turbulent flows, cf.
DFG-Projekt BR 1847/12

2. Development of FSI benchmark test cases including experimental and numerical data.
Overview of turbulent FSI Benchmarks
Overview of laminar FSI Benchmarks

Some pictures and movies from recent works:

– Benchmark FSI-PfS-1a
UFR_2-13 on ERCOFTAC/QNET database
Turbulent Flow: Re = 30,470

Numerical FSI simulation results: Unsteady velocity distribution simulated using LES (left); structural deformation due to pressure and shear forces (right). pictures and video cooming soon

– Benchmark FSI-PfS-2a
UFR 2-14 on ERCOFTAC/QNET database
Turbulent Flow : Re = 30,470


Numerical FSI simulation results: Unsteady vorticity distribution simulated by LES. video cooming soon

– Experiment: Particle-Image Velocimetry in the water channel





– Links:
DFG – Research Unit 493 Fluid-Structure Interaction: Modelling, Simulation, Optimisation

Development of numerical simulation methods for turbulent, particle-laden multiphase flows.


  • Efficient Euler-Lagrange computational methods for highly charged flows.
  • Consideration of particle-wall and particle-particle collisions.
  • Use of modern methods for the continuous phase: LES, hybrid LES-URANS
  • Efficient use of high-performance computers



Agglomeration and cluster formation of microscacle particles and droplets in highly loaded turbulent gas flows
DFG BR 1847/13


Letzte Änderung: 22. February 2021