Influence of erosion on main operation features of the last stage movable blade of a low-pressure cylinder of a powerful steam turbine. Part 2. Prediction of vibration features of a movable blade of the last stage that change as a result of erosive wear a - A. L. Shubenko; A. E. Kovalskij; Ju. S. Vorobev; G. N. Kartmazov; V. N. Romanenko (Journal of mechanical engineering, 2010)