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Study on Dynamic Characteristics of 4-Step Drainage Tower Based on Multi-body Dynamics Simulation

다물체 동역학 시뮬레이션 기반 4단 배수 타워의 동적 특성 연구

  • Seungwoon Park (Department of Mechanical Engineering, Inha University) ;
  • Yeong Hwan Han (Junjin Construction & Robot Co. Ltd) ;
  • Ho Young Jeon (Junjin Construction & Robot Co. Ltd) ;
  • Chul-Hee Lee (Department of Mechanical Engineering, Inha University)
  • 박승운 ;
  • 한영환 ;
  • 전호영 ;
  • 이철희
  • Received : 2023.08.24
  • Accepted : 2023.11.20
  • Published : 2023.12.01

Abstract

This paper analyzed a drainage tower used to drain water in flooded areas. Multi-body dynamics simulation was used to analyze the dynamic behavior of the drainage tower. Structural analysis, flexible-body dynamic analysis, and rigid body dynamic analysis were done to study the maximum Von-Mises stress of the drainage tower. The results showed that the maximum Von-Mises stress occurs at the turn table, and it decreases when the angle of the boom is increased. Also, the rate of the change of angle affects the maximum stress so that the maximum stress changes more when the angular velocity of the boom increases. Based on the rigid body dynamic analysis and the theoretical analysis results, the centrifugal force from the angular velocity makes the difference in the maximum stress at the turn table because of the difference in their direction. Consequently, it was concluded that the centrifugal force should be considered when designing construction machinerythat can rotate.

Keywords

Acknowledgement

이 논문은 행정안전부 자연재난 정책연계형 기술개발사업의 지원을 받아 수행된 연구임(2023-MOIS35-005)

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