Modal balancing procedures are characterized by their use of the modal nature of rotor response. In general, modal balancing procedures are highly developed, but are largely intuitive in nature. They seek to balance the rotor, one mode at a time, with a set of masses specifically selected not to disturb previously balanced, lower modes. This chapter includes the analytical background and typical procedures for modal balancing.
KeywordsMode Shape Rotor System Critical Speed Rigid Rotor Modal Balance
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