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Abstract To increase the lifting capacity and minimize the cost and time for building a ship and offshore structure, block lifting with multi-cranes becomes more and more danger. In this paper, therefore, dynamic response analysis of the multi-cranes is performed for block lifting operation. By this simulation, one can confirm the dynamic effects, such as dynamic motion and load, to prevent fatal accidents during the multi-crane operation. The crane system consists of several bodies. These bodies are connected with various types of joints and wire rope. To carry out the dynamic simulation, therefore, the crane system is modeled as a multi-body system. There are several types of crane, such as a goliath crane, jib crane, and floating crane, etc. Among them, the floating crane is operated on the sea water. Therefore the hydrostatic force and linearized hydrodynamic force are considered as the external forces acting on the floating crane. Using the dynamics simulation program developed in this paper, a dynamic response simulation of several cases of block lifting with multi-cranes are carried out, and the simulation results are validated by comparing them with the measured data from the shipyard. Moreover, the simulation results can be applied to the structural analysis for evaluate the dynamic effects on the block.
Publication Date 2014-02-20

Nam-Kug Ku, Sol Ha, Myung-Il Roh, "Crane Modeling and Simulation in Offshore Structure Building Industry", Proceedings of ICCMS(International Conference on Computer Modeling and Simulation) 2014, Barcelona, Spain, pp. 1-7, 2014.02.20-21


  1. Myung-Il Roh, "Physics-based Simulation for Design, Production, and Installation of Ships and Offshore Structures", International Symposium on Computational Design and Engineering, Ho Chi Minh, Vietnam, 2017.12.13-16

  2. Myung-Il Roh, "Simulation Based Engineering for Ship and Offshore Plant", International Ocean Technology Conference & Expo (IOTCE 2015), Qingdao, China, 2015.09.01-03

  3. Myung-Il Roh, Kyu-Yeul Lee, "Generation of Production Information for a Building Block and Simulation of the Block Erection for Computer-Aided Process Planning and Scheduling", Proceedings of IMDC(International Marine Design Conference) 2006, Michigan, USA, pp. 382-395, 2006.05.16-19

  4. Myung-Il Roh, Kyu-Yeul Lee, Seong-Jin Yoo, "An Algorithm for Generating the Hull Structural Analysis Model Using the Seam Information of the Hull Structure", Proceedings of the 2nd PAAMES and AMEC 2006, Jeju, Korea, pp. 399-404, 2006.10.17-20

  5. Myung-Il Roh, Seong-Ho Seo, Hyun-Kyoung Shin, Nam-Kug Ku, Sol Ha, Ki-Su Kim, "Simplified Model for the Weight Estimation of Floating Offshore Plant Using the Statistical Method", Proceedings of OMAE 2014, San Francisco, USA, pp. 1-8, 2014.06.08-13

  6. Myung-Il Roh, Seung-Ho Ham, Ki-Su Kim, Luman Zhao, "Integrated Simulation Based on Multiphysics Analysis, Virtual Reality, and Hardware for Offshore Installation, Operation, and Maintenance", OTC Asia 2016, 2016.03.22-26

  7. Myung-Il Roh, Seung-Ho Ham, Ki-Su, Kim, Hyewon Lee, Seung-Min Lee, Luman Zhao, "Minimization of Risk in Design, Production, and Installation Process of Ships and Offshore Structures through Simulation", Proceedings of ACDDE 2017, Zhangjiajie, China

  8. Myung-Il Roh, Sol Ha, Nam-Kug Ku, Seung-Ho Ham, "Multibody System Dynamics Simulator for Design and Production of Ships and Offshore Plants", Proceedings of the 28th Asian-Pacific TEAM 2014, Istanbul, Turkey, pp. 481-494, 2014.10.13-16

  9. Myung-Il Roh, Sol Ha, Nam-Kug Ku, Seung-Ho Ham, "Physics-based Simulation for Production and Installation of Ships and Offshore Plants", Proceedings of ICCAS 2015, Bremen, Germany, Vol. 3, pp. 123-130, 2015.09.29-10.01

  10. Nam-Kug Ku, Ara Jo, Sol Ha, Myung-Il Roh, Kyu-Yeul Lee, "Automatic Generation of Equations of Motion for Multibody System in Discrete Event Simulation Framework", Proceedings of INSODE 2011, Istanbul, Turkey, pp. 55-64, 2011.09.02-04

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