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This document summarizes a journal article that presents a modal analysis approach to modeling the dynamics of rotating shafts. The formulation is based on a body-fixed reference frame that can handle general cross-sections. It is shown that a simply supported spinning Timoshenko beam has two pairs of natural frequencies corresponding to each mode shape, unlike an Euler-Bernoulli beam which only has one pair. The coupled eighth-order differential equations are simplified to uncoupled fourth-order equations,

Author

Parthipan Jayaram

Language

EN