This paper presents the formulation and sensitivity analysis of ground resonance stability in rotorcraft equipped with unconventional lead-lag damping configurations, including the inter-blade and the recently proposed inter-2-blade arrangements. The developed framework enables consistent linearization of the coupled rotor-airframe system and supports comparison of the stability performance of conventional and novel damper configurations.
Dynamic Modeling of Rotor Damper Configurations for Aeroelastic and Ground Resonance Analysis
Masarati, Pierangelo
2026-01-01
Abstract
This paper presents the formulation and sensitivity analysis of ground resonance stability in rotorcraft equipped with unconventional lead-lag damping configurations, including the inter-blade and the recently proposed inter-2-blade arrangements. The developed framework enables consistent linearization of the coupled rotor-airframe system and supports comparison of the stability performance of conventional and novel damper configurations.File in questo prodotto:
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