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헬리콥터 휠타입 착륙장치 충돌특성 연구Impact Dynamic Analysis for the Wheel-Type Landing Gear System of Helicopter
- Other Titles
- Impact Dynamic Analysis for the Wheel-Type Landing Gear System of Helicopter
- Issue Date
- 2008
- Publisher
- 한국군사과학기술학회
- Keywords
- Wheel-Type Landing Gear(휠타입 착륙장치); Nose Landing Gear(전륜착륙장치); Main Landing Gear(주륜착륙장치); Nonlinear Multi-body Dynamics(비선형 다물체 동역학)
- Citation
- 한국군사과학기술학회지, v.11, no.5, pp 12 - 22
- Pages
- 11
- Indexed
- KCI
- Journal Title
- 한국군사과학기술학회지
- Volume
- 11
- Number
- 5
- Start Page
- 12
- End Page
- 22
- ISSN
- 1598-9127
2636-0640
- Abstract
- In this study, the dynamic characteristics for the wheel-type landing gear system of helicopter have been analyzed. Nonlinear multi-body dynamic models of the landing gear system are constructed and the equations of motion, kinematics and internal forces of shock strut are considered. In addition, flexibility effect of the wheel axle with equivalent beam element is taken into account. General purpose commercial finite code, SAMCEF which includes MECANO module is applied. The results of dynamic simulation for various landing and weight conditions are presented and compared with each other. Based on the results, characteristics of impact dynamic behaviors of the landing gear system are practically investigated.
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