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Coupled foot-shoe-ground interaction model to assess landing impact transfer characteristics to ground condition
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  • Coupled foot-shoe-ground interaction model to assess landing impact transfer characteristics to ground condition
  • Coupled foot-shoe-ground interaction model to assess landing impact transfer characteristics to ground condition
저자명
Kim. S.H.,Cho. J.R.,Choi. J.H.,Ryu. S.H.,Jeong. W.B.
간행물명
Interaction and multiscale mechanics
권/호정보
2012년|5권 1호|pp.75-90 (16 pages)
발행정보
테크노프레스
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

This paper investigates the effects of sports ground materials on the transfer characteristics of the landing impact force using a coupled foot-shoe-ground interaction model. The impact force resulting from the collision between the sports shoe and the ground is partially dissipated, but the remaining portion transfers to the human body via the lower extremity. However, since the landing impact force is strongly influenced by the sports ground material we consider four different sports grounds, asphalt, urethane, clay and wood. We use a fully coupled 3-D foot-shoe-ground interaction model and we construct the multi-layered composite ground models. Through the numerical simulation, the landing impact characteristics such as the ground reaction force (GRF), the acceleration transfer and the frequency response characteristics are investigated for four different sports grounds. It was found that the risk of injury, associated with the landing impact, was reduced as the ground material changes from asphalt to wood, from the fact that both the peak vertical acceleration and the central frequency monotonically decrease from asphalt to wood. As well, it was found that most of the impact acceleration and frequency was dissipated at the heel, then not much changed from the ankle to the knee.