47 Identification of Breathing Cracked Shaft Models from Measurements 543 0 10 20 30 40 50 60 80 -120 -100 -80 -60 -40 Uncracked, No belt 0 10 20 30 40 50 60 80 -120 -100 -80 -60 -40 Cracked, No belt 0 10 20 30 40 50 60 80 -120 -100 -80 -60 -40 Uncracked, Belt 0 10 20 30 40 50 60 80 Frequency (Hz) -120 -100 -80 -60 -40 Cracked, Belt Fig. 47.5 Spectra of the vertical acceleration (in dB) of the experimental test rig References 1. Bachschmid, N., Pennacchi, P., Tanzi, E., Vania, A.: Identification of transverse crack position and depth in rotor systems. Meccanica 35, 563–582 (2000) 2. Markert, R., Platz, R., Seidler, M.: Model based fault identification in rotor systems by least squares fitting. Int. J. Rotating Mach. 7(5), 311–321 (2001) 3. Dimarogonas, A.D.: Vibration of cracked structures: a state of the art review. Eng. Fract. Mech. 55, 831–857 (1996) 4. Bovsunovsky, A., Surace, C.: Non-linearities in the vibrations of elastic structures with a closing crack: a state of the art review. Mech. Syst. Signal Process. 62–63, 129–148 (2015) 5. Kumar, C., Rastogi, V.: A brief review on dynamics of a cracked rotor. Int. J. Rotating Mach. 2009, Article ID 758108 (2009) 6. Sekhar, A.S.: Some recent studies on cracked rotors. In: Proceedings of IUTAM Symposium on Emerging Trends in Rotor Dynamics, pp. 491–503 (2011) 7. Ostachowicz, W., Krawczuk, M.: On modeling of structural stiffness loss due to damage. In: Proceedings of the DAMAS, Cardiff, UK, pp. 185–199 (2001) 8. Friswell, M.I., Penny, J.E.T.: Crack modelling for structural health monitoring. Struct. Health Monit.: Int. J. 1(2), 139–148 (2002) 9. Sawicki, J.T., Friswell, M.I., Kulesza, Z., Wroblewski, A., Lekki, J.D.: Detecting cracked rotors using auxiliary harmonic excitation. J. Sound Vib. 330(7), 1365–1381 (2011) 10. Gasch, R.A.: A survey of the dynamic behaviour of a simple rotating shaft with a transverse crack. J. Sound Vib. 160(2), 313–332 (1993) 11. Mayes, I.W., Davies, W.G.R.: Analysis of the response of a multi-rotor-bearing system containing a transverse crack in a rotor. ASME J. Vib. Acoust. Stress Reliab. Des. 106(1), 139–145 (1984) 12. Penny, J.E.T., Friswell, M.I.: Simplified modelling of rotor cracks. In: Proceedings of the ISMA 27, Leuven, Belgium, pp. 607–615 (2002) 13. Penny, J.E.T., Friswell, M.I.: The dynamics of cracked rotors. In: Proceedings of the IMAC XXV, Orlando, Florida, paper 198 (2007) 14. Friswell, M.I., Penny, J.E.T., Garvey, S.D., Lees, A.W.: Dynamics of Rotating Machines, 512 pp. Cambridge University Press (2010)
RkJQdWJsaXNoZXIy MTMzNzEzMQ==