동력기계공학회지 (Journal of Power System Engineering)

  • 제22권1호
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  • Pages.25-33
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  • 2018
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  • 2713-8429(pISSN)
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  • 2713-8437(eISSN)
한국동력기계공학회 (The Korean Society for Power System Engineering)
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해양플랜트용 격자 붐 크레인의 안전성 평가

The Stability Analysis of Offshore Lattice Boom Crane

  • 김지혜 (경상대학교 해양과학대학 에너지기계공학과) ;
  • 정용길 (경상대학교 해양과학대학 에너지기계공학과) ;
  • 허선철 (경상대학교 해양과학대학 에너지기계공학과)
  • Kim, Ji-Hye (Department of Energy Mechanical Engineering, College of Marine Science, Gyeong-sang National University) ;
  • Jung, Yong-Gil (Department of Energy Mechanical Engineering, College of Marine Science, Gyeong-sang National University) ;
  • Huh, Sun-Chul (Department of Energy Mechanical Engineering, College of Marine Science, Gyeong-sang National University)
  • 투고 : 2017.09.21
  • 심사 : 2017.12.06
  • 발행 : 2018.02.28
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초록

The safety of structure was evaluated by taking into consideration the complex marine environmental conditions of the Lattice boom crane, which is widely used in offshore plants due to less influence by wind. CFX analysis was carried out to take into account the influence of wind speed, and the result was applied as a boundary condition to perform static analysis according to the luffing angles of $28^{\circ}$, $61^{\circ}$, and $80^{\circ}$ in the on board and off board, respectively. In addition, the Lattice Boom Crane is large slender structure, and the possibility of buckling is interpreted under three conditions where the biggest stress occurs. All conditions satisfied the safety requirements of the Classification Regulations. Also, as a result of the buckling analysis, the load less than the critical load was applied so buckling does not occur.

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참고문헌

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