In this paper, robust maximum forced response reduction strategies based on a “large mistuning” concept are introduced, including both (i) probabilistic and (ii) deterministic approaches. An industrial bladed fan disc serves as an application example for a reliability assessment of the aforementioned strategies using two well-established tools for uncertainty analysis: (i) statistics and (ii) sensitivity and robustness. The feasibility and other practical aspects of implementing large mistuning as a means of preventing excessive forced response levels caused by random mistuning and ensuring the predictability of the response are discussed.
Robust Strategies for Forced Response Reduction of Bladed Discs Based on Large Mistuning Concept
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Nikolic, M, Petrov, EP, & Ewins, DJ. "Robust Strategies for Forced Response Reduction of Bladed Discs Based on Large Mistuning Concept." Proceedings of the ASME Turbo Expo 2007: Power for Land, Sea, and Air. Volume 5: Turbo Expo 2007. Montreal, Canada. May 14–17, 2007. pp. 285-295. ASME. https://doi.org/10.1115/GT2007-27183
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