Lateral and Torsional Rotordynamic Analyses
The analyses are normally carried out according to standards, e.g. the standards of API (American Petroleum Institute). Typically components such as bearings and couplings are tuned in order to fulfil specifications.
![rotordynamics torsion](https://www.delta-js.ch/image/490/1024/0/348/Torsional-natural-vibration-mode.png)
Torsional natural vibration mode of a system consisting of motor, gear and compressor
![Resonance curve](https://www.delta-js.ch/image/490/1024/0/348/Resonance-curve.png)
Resonance curve of the lateral vibrations of a steam turbine rotor
![Shape in resonance](https://www.delta-js.ch/image/490/1024/0/348/Shape-in-resonance.png)
Lateral shape in the resonance