Korean Journal of Computational Design and Engineering (한국CDE학회논문집)

Society for Computational Design and Engineering (한국CDE학회)
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Simulation of Contacts Between Wire Rope and Shell Plate of a Block for Shipbuilding Industry based on Multibody Dynamics

다물체계 동역학을 기반으로 한 와이어로프와 조선용 블록 외판 사이의 간섭 시뮬레이션

  • Jo, A-Ra (Central Research Institute of Daewoo Shipbuilding & Marine Engineering Co., Ltd.) ;
  • Ku, Nam-Kug (Marine Technology Education and Research Center, Seoul Nat'l University) ;
  • Cha, Ju-Hwan (Department of Ocean Engineering, Mokpo Nat'l University) ;
  • Park, Kwang-Phil (Central Research Institute of Daewoo Shipbuilding & Marine Engineering Co., Ltd.) ;
  • Lee, Kyu-Yeul (Department of Naval Architecture and Ocean Engineering, Seoul Nat'l University)
  • 조아라 (대우조선해양 중앙연구소) ;
  • 구남국 (서울대학교 해양기술인력양성사업단) ;
  • 차주환 (목포대학교 해양시스템공학과) ;
  • 박광필 (대우조선해양 중앙연구소) ;
  • 이규열 (서울대학교 조선해양공학과)
  • Received : 2011.10.12
  • Accepted : 2012.07.31
  • Published : 2012.10.01
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Abstract

In this paper, a method for calculating the contact force and the frictional force caused by contacts between the wire rope and the rigid body is introduced based on multibody dynamics. And the method is applied to a simulation of contacts between the wire rope and the shell plate of a block that can occur during shipbuilding. The wire rope is composed of a number of lumped masses and the wire rope segments that connect the masses. After calculating the position of interference, we inserted a contact node into the wire rope. We then derived the equations of motion of the wire rope and the rigid body using augmented formulation based on multibody dynamics taking into account the constraints between the contact node and the rigid body. Using the equations, we were able to obtain the constraint force between the contact node and the rigid body, and calculate the contact force and the frictional force, based on which the position of the contact node was corrected. Finally, we applied our results to perform simulation of contacts between the wire rope and the shell plate of a block in order to verify the efficacy of the method proposed in this paper.

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References

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