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.
 
        Torsional natural vibration mode of a system consisting of  motor, gear and compressor 
    
 
        Resonance curve of the lateral vibrations of a steam turbine rotor
    
 
        Lateral shape in the resonance
     
		 
		 
			