This paper proposes an effective method for sensitivity analysis of forced response of bladed discs to blade mistuning. The numerical studies of forced response of a turbine bladed disc vibrating in the frequency ranges corresponding to resonances with higher modes are also presented. The blade mistuning is modelled by specially defined mistuning matrices used for simulating experimentally measured scatter of blade natural frequencies. Based on this method, the sensitivity of forced response amplitude levels are studied for displacements and stress levels for a realistic model of a bladed disc. The effective response surface techniques are developed for explicit representation of the mistuned forced response as a function of blade mistuning elements.
Sensitivity Analysis of High-Frequency Forced Response for Mistuned Bladed Discs Based on High-Fidelity Models
- Views Icon Views
- Share Icon Share
- Search Site
Tan, Y, Zang, C, Zhou, B, Duan, Y, & Petrov, EP. "Sensitivity Analysis of High-Frequency Forced Response for Mistuned Bladed Discs Based on High-Fidelity Models." Proceedings of the ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. Volume 7A: Structures and Dynamics. Seoul, South Korea. June 13–17, 2016. V07AT32A025. ASME. https://doi.org/10.1115/GT2016-57690
Download citation file: