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동체의 유연성을 고려한 헬기 착륙장치의 동특성 해석 연구
현영오 ( Young O Hyun ),황재혁 ( Jai Hyuk Hwang ),배재성 ( Jae Seoung Bae ),김영석 ( Young Seok Kim ),황재업 ( Jae Up Hwang ),임경호 ( Kyoung Ho Lim ),김두만 ( Doo Man Kim ),김태욱 ( Tae Wook Kim ) 한국항공운항학회 2007 한국항공운항학회지 Vol.15 No.4
In this paper, a dynamic analysis of a helicopter landing gear with considering flexible structural modes has been investigated. The main body of the helicopter has been modeled as a flexible body using FEM code, then a few selected vibration modes of the helicopter main body have been used as basis for the dynamic analysis of the helicopter landing gear. The simulation of dynamic analysis was carried out on the base of ADAMS aircraft module. It has been found by a series of simulation that the flexible structural modes has a significant effect on the dynamic characteristics of helicopter landing gear as the flexibility of the main body is increased.