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Analyzes oscillatory behavior in rod dynamics, indicating its use in helicopter technology.
The dynamics of a rod attached to a rotating hinge, also interpreted as a physical pendulum in a rotating frame, provide a valuable mechanical model for analyzing the complex oscillatory behavior of helicopter rotor blades. This simplified system captures essential features of blade flapping and in‐plane motions influenced by inertial and centrifugal forces. Its relevance becomes particularly evident in the context of modern passive vibration absorbers integrated into rotorcraft systems, aiming to reduce dynamic loads and improve flight performance. The growing interest in this model across recent research reflects its applicability in both analytical and design contexts for advanced helicopter technologies.
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Floroiu et al. (2026) studied this question.
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