Mobile Interface CMS Method for Vibration Characteristics Prediction of Mistuned Bladed Disk with Different Coupling Degrees

Table 3

The analysis accuracy of dynamic frequencies and analysis time of three methods.

Analysis method	Analysis accuracy of dynamic frequencies	Analysis time
Mobile interface prestressed CMS superelement method	Strong coupling: 99.8534%; General coupling: 99.9039%; Weak coupling: 100%	General coupling: 28.42%
Fixed-interface prestressed CMS superelement method	Strong coupling: 70.1860%; General coupling: 97.1675%; Weak coupling: 100%	General coupling: 27.07%
Direct FEM method	100%	General coupling: 100%