Journal of the Korean Society of Manufacturing Process Engineers (한국기계가공학회지)

The Korean Society of Manufacturing Process Engineers (한국기계가공학회)
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Prediction of Impact Energy Absorption in a High Weight Drop Tester by Response Surface Methodology

반응표면법을 사용한 고 중량물 낙하시험기의 충격에너지 흡수량 예측 연구

  • Kang, Hoon (Ultimate Manufacturing R&D Group, Korea Institute of Industrial Technology) ;
  • Jang, Jin-Seok (Ultimate Manufacturing R&D Group, Korea Institute of Industrial Technology) ;
  • Kim, Da-Hye (Ultimate Manufacturing R&D Group, Korea Institute of Industrial Technology) ;
  • Kang, Ji-Heon (School of Mechanical Engineering, Pusan National University) ;
  • Yoo, Wan-Seok (School of Mechanical Engineering, Pusan National University) ;
  • Lee, Jae-Wook (Ultimate Manufacturing R&D Group, Korea Institute of Industrial Technology)
  • 강훈 (한국생산기술연구원 극한제조기술그룹) ;
  • 장진석 (한국생산기술연구원 극한제조기술그룹) ;
  • 김다혜 (한국생산기술연구원 극한제조기술그룹) ;
  • 강지헌 (부산대학교 기계공학부) ;
  • 유완석 (부산대학교 기계공학부) ;
  • 이재욱 (한국생산기술연구원 극한제조기술그룹)
  • Received : 2016.02.14
  • Accepted : 2016.03.29
  • Published : 2016.06.30
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Abstract

This paper presents the characteristics of the energy absorption in an expansion tube type impact absorber that is applied to a high weight drop tester and the use of a response surface methodology to predict the impact energy absorption. In order to identify the characteristics of the energy absorption, a set of finite element analysis was conducted with Abaqus Explicit. Moreover, the ISCD-II sampling method and a first order polynomial were used to build a response surface. As a result, we demonstrated that the impact energy could be controlled by four main design variables, namely an expansion pipe's thickness, inner radius, pressing die's expansion angle and expansion ratio. Additionally, we observed the relationship between the four main design variables and the impact energy absorbing time, displacement, and maximum impact force.

Keywords

References

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