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Erschienen in:
1988 | OriginalPaper | Buchkapitel
Optimum Designs of Rotating Shaft Systems for Nonlinear Dynamic Responses
Optimum Shape Design and Optimum Operating Curve
verfasst von : H. Yamakawa
Erschienen in: Structural Optimization
Verlag: Springer Netherlands
Enthalten in: Professional Book Archive
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Two recent studies of optimum designs of rotating shaft systems are shown here for nonlinear dynamic transient responses when the operating speeds pass through the critical ones. One is an optimum design problem to find a optimum shape of a rotating shaft which gives the minimum transient response where the shaft is supported by nonlinear bearings. The other is a optimum design problem to find an optimum operating curve for a rotating shaft system which yields the minimum transient response where the system is subjected to the operation with a limited power supply. To analyse the nonlinearities, the step-by-step integration techniques are used. Numerical results obtained by the gradient-based optimization methods are examined and discussed.