Abstract
This paper is a continuation of the earlier works of the authors on the problem of transient response of a journal during acceleration and deceleration periods. The paper first establishes a theoretical analysis for the transient response of a short journal bearing system with a flexible rotor and damped flexible pedestals. The transient response analysis is then used to assess the linearized system stability chart and determine the journal motion during stopping and starting periods. The paper also includes some detailed results for the limiting speeds of short bearings.
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