Innovation & Quality

FINE™/FSI-OOFELIE

FINE™/FSI-OOFELIE, set-up and start complete FSI simulations using only one software. FINE™/FSI-OOFELIE couples the Finite Element (FEI) solver Oofelie of Open Engineering with NUMECA’s fast and accurate parallel flow solver FINE™/Open with OpenLabs™ into one single environment. The workflow is handled by the SAMCEF Field generic interface. This direct coupling, carried out within one single environment, allows for a great gain in set-up time and reliability. The installation process requires only one step.

Applications include among others:

  • Wing flutter or buffeting
  • Wind turbine blade deformation
  • Fuel tank sloshing
  • FSI in hypersonic rocket nozzle
  • Missiles subsonic wing oscillations
  • Thermal deformation

Key features

A fully integrated environment for fluid structure interaction:

  • Two-way strong coupling: equilibrium between fluid and solid at each time step
  • Steady and Unsteady computations. 2D and 3D capabilities.
  • Non-conformal meshes at the interface: finer fluid domain resolution possible
  • Structures: linear and nonlinear analysis. Elastic and thermo-elastic computations.
  • Scripting capability.

A strong coupling approach is considered, allowing to verify the equations of all physical models at each time step. Strong coupling of multiphysics phenomena reveals much more information than just consecutive simulations. It ensures fast convergence and solution stability, while simulating multi-unstable environments. A staggered approach is used with two solvers ensuring the most efficient method for each field.

 

 

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