2017•TsAGI science journalRequires access

SHIMMY ANALYSIS OF LIGHT AIRPLANE MAIN LANDING GEAR

Vitalii Dmitrievich Chuban

Abstract

A method of shimmy analysis of the main landing gear non-swiveling wheel without a shimmy damper based on the use of free vibration frequencies and modes of a gear leg at the wheel axis is proposed. The finite-element method is suggested to find the free vibration modes of the gear leg. The proposed method allows more precise modeling of the wheel/airplane elastic link to be used. The application of the method is illustrated by light-airplane main landing gear shimmy analysis.

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Key concepts: Speed wobble, Landing gear, Airplane, Vibration, Engineering, Structural engineering, Damper, Finite element method