Descripción
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The problem of determining the maximum forced response vibration amplification that can be produced just by the addition of a small mistuning to a perfectly cyclical bladed disk still remains not completely clear. In this paper we apply a recently introduced perturbation methodology, the asymptotic mistuning model (AMM), to determine which are the key ingredients of this amplification process and to evaluate the maximum mistuning amplification factor that a given modal family with a particular distribution of tuned frequencies can exhibit. A more accurate upper bound for the maximum forced response amplification of a mistuned bladed disk is obtained from this description, and the results of the AMM are validated numerically using a simple mass-spring model. | |
Internacional
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JCR del ISI
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Si |
Título de la revista
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JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER-TRANSACTIONS OF THE ASME |
ISSN
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0742-4795 |
Factor de impacto JCR
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0,735 |
Información de impacto
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Volumen
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DOI
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Número de revista
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0 |
Desde la página
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022506-1 |
Hasta la página
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022506-1 |
Mes
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ENERO |
Ranking
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