- Rapport
- Kärnkraft
Fluid Structure interaction analysis on vibrations of a rod exposed to axial flow
| 2016:238 | Kajsa Bengtsson
Vibrations in components caused by flow, so called flow induced vibrations, is an important area in many industrial fields, including the nuclear power.

\u003Cp\u003EIn this project, a geometry equal to the neutron detection housing was studied using CFD calculations. The study shows that it is possible to simulate the flowinduced vibrations of the tube with the model that was used. The differences observed in frequency and amplitude could be explained by differences in the model and the experimental set up. The simulations seemed not to be sensitive to time step or damping, but a coarse mesh resulted in lower amplitudes compared to a finer one.\u003C/p\u003E