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Fluid-Structure Interaction

elbe uses a bidirectional, partitioned, explicit coupling approach for the simulation of fluid-structure interaction problems in two and three dimensions. The rigid body motion is modeled with a quaternion-based motion modeler or, if necessary, coliision-resolving physics engines.


Water entry of a cube


Numerical simulation of three-dimensional wave-structure interactions with elbe and a rigid body engine for collision detection. Note the different duck densities, that lead to different dynamic behaviors.

  • D. Mierke, "Kopplung eines GPU-basierten Gitter-Boltzmann-Verfahrens an eine Physik-Engine zur Simulation von kollisionsbehafteten Mehrkörpersystemen", Project Thesis, December 2014.
  • H. Nagrelli, "Simulation of Fluid-Structure Interactions with a GPGPU-accelerated Lattice Boltzmann Method", Master thesis, 2014.