In this paper, robust maximum forced response reduction strategies based on a “large mistuning” concept are introduced, including both (i) random and (ii) deterministic approaches. An industrial bladed fan disk 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 Disks Based on Large Mistuning Concept
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Nikolic, M., Petrov, E. P., and Ewins, D. J. (January 22, 2008). "Robust Strategies for Forced Response Reduction of Bladed Disks Based on Large Mistuning Concept." ASME. J. Eng. Gas Turbines Power. March 2008; 130(2): 022501. https://doi.org/10.1115/1.2799524
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