Nunerical simulations are nowadays an integral part of the everyday work of engineers to investigate complex physical problems. For an optimal solution of the often interdisciplinary problems, complex simulations are usually required, which have to be prepared, executed and evaluated according to the respective problem.
The Institute of Jet Propulsion and Turbomachinery has acquired extensive knowledge in the past decades through research projects on optimisation or modelling issues. In most cases, experiments accompanying the theoretical work were carried out, which served either to validate or to calibrate the methodology used. The extensive experience gained serves as a data basis and can be used for new research projects.
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The Institute uses various simulation programs. For instationary or stationary, 2D or 3D simulations the programs
- ANSYS CFX, ANSYS FLUENT
- NUMECA FINETM/Turbo
- TRACE (German Aerospace Center)
used. In addition, the 2D procedure MISES and corresponding in-house developments are also used for preliminary designs. The use of the simulation software used depends on the objectives of the respective research project and is coordinated with the project partners involved.
The institute has its own cluster with more than 630 cores for the fast execution of the simulations. Furthermore, the institute is entitled to apply for computing time for large investigations within CLAIX and JARA.
The conducted investigations include
- Flow simulations (CFD),
- Strength analyses (FEM),
- Coupled flow and heat transfer simulations (CHT),
- Aeroelastic simulations (FSI).