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Blade manufacturing tolerances definition for a mistuned industrial bladed disk

Abstract : This paper deals with the characterization of the blade manufacturing geometric tolerances in order to get a given level of amplification in the forced response of a mistuned bladed-disk. The theory is based on the use of a norparametric probabilistic model of blade random uncertainties. The dispersion parameters controlling the nonparametric model are estimated as a function of the geometric tolerances. The industrial application is devoted to the mistuning analysis of a 22 blades wide chord fan stage. Centrifugal stiffening due to rotational effects is also included. The results obtained validate the efficiency and the reliability of the method on three-dimensional bladed disks.
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Contributor : Christian Soize Connect in order to contact the contributor
Submitted on : Sunday, April 8, 2012 - 12:47:26 PM
Last modification on : Thursday, September 29, 2022 - 2:21:15 PM
Long-term archiving on: : Monday, November 26, 2012 - 1:06:12 PM


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Evangéline Capiez-Lernout, Christian Soize, J.-P. Lombard, C. Dupont, E. Seinturier. Blade manufacturing tolerances definition for a mistuned industrial bladed disk. Journal of Engineering for Gas Turbines and Power-Transactions of the Asme, 2005, 127 (3), pp.621-628. ⟨10.1115/1.1850497⟩. ⟨hal-00686185⟩



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