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Abstract This study analyzes the requirements that are essential to simulate the lifting or erection operation in ships and offshore structures, and proposes the integrated simulation framework based on multibody dynamics. The proposed framework is composed of five layers such as simulation core layer for the equations of motion, interface layer for data communication, simulation components layer including constraints and forces, equipment layer, and service layer. Based on the proposed framework, this study develops a dedicated and differentiated program for ships and offshore structures, named SyMAP (SyDLab’s Multibody Analysis Program). There are several issues to be solved. Collision detection and response is developed by using position difference method and non-interpenetration constraint. For structural analysis of a thin plate, flexible multibody dynamics is adopted. Special equipment such as equalizer and SPMT (Self-Propelled Modular Transporters) are modeled. Finally, we provide four representative applications such as block lifting using equalizers, LPG tank erection considering a collision, thin plate block lifting considering deformation, and block offloading using SPMTs, which have not been solved before. We conclude that the problems issued in ships and offshore structures are solved by the proposed or adopted methods. We convinced that the developed program based on the proposed integrated simulation framework could cover all operations in ships and offshore structures.
Publication Date 2018-10-17

Seung-Ho Ham, Myung-Il Roh, Hye-Won Lee, "Integrated Simulation Methods Based on Multibody Dynamics in Ships and Offshore Structures", Proceedings of the 32nd Asian-Pacific TEAM(Technical Exchange and Advisory Meeting on Marine Structures) 2018, Wuhan, China, pp. 592-596, 2018.10.15-18


List of Articles
번호 분류 제목 Publication Date
111 International Conference Seung-Min Lee, Myung-Il Roh, Ki-Su Kim, Seung-Ho Ham, "Optimization of Tugboats Operation for Transporting an Offshore Floating Crane in Environmental Disturbance", International Conference on Mechanical Design and Engineering, 2017.01.20-22 file 2017-01-21
110 International Conference Seung-Ho Ham, Myung-Il Roh, Xing Li, Luman Zhao, "Collaborative Simulation of the Block Turn-over Operation Based on Multibody System Dynamics and Virtual Reality", Proceedings of SUTTC 2015, Bejing, China, 2015.10.23-25 file 2015-10-24
109 International Conference Seung-Ho Ham, Myung-Il Roh, Luman Zhao, Sol Ha, "Drillship Simulation Based on the Integration of Motion Analysis, Virtual Reality, and Motion Platform", Proceedings of TEAM 2015, Vladivostok, Russia, 2015.10.12-15 file 2015-10-13
108 International Conference Seung-Ho Ham, Myung-Il Roh, Ki-Su Kim, Luman Zhao, Sol Ha, "Integrated Simulation Framework Based on Multibody Dynamics, Realistic Visualization, and Hardware for Shipbuilding Production and Offshore Installation", Proceedings of MARSIM 2015, UK file 2015-09-10
107 International Conference Seung-Ho Ham, Myung-Il Roh, Jong-Hyuk Lee, Sung-Jun Lee, "Multi-purpose Simulator for Ships and Offshore Structure", Proceedings of ACDDE 2018, Okinawa, Japan, 2018.11.1-3 file 2018-11-01
106 International Conference Seung-Ho Ham, Myung-Il Roh, Hye-Won Lee, Jeong-Woo Hong, "Multi-physics Simulation Framework for Design and Production of Ships and Offshore Plants", Proceedings of PRADS 2016, Copenhagen, Denmark, 2016.09.04-09.08 file 2016-09-07
105 International Conference Seung-Ho Ham, Myung-Il Roh, Hye-Won Lee, Dong-Hoon Jeong, "Physics-based Simulation Considering Collision During Production and Installation of Ships and Offshore Plants", Proceedings of ICCGS 2016, Ulsan, Korea, 2016.06.15-18 file 2016-06-16
104 International Conference Seung-Ho Ham, Myung-Il Roh, Hye-Won Lee, "Physics-based Simulation and Its Applications for Design, Production, and Installation of Ships and Offshore Structures", Proceedings of SUTTC 2017, Haikou, China, pp. 1, 2017.11.23-24 file 2017-11-24
103 International Conference Seung-Ho Ham, Myung-Il Roh, Hye-Won Lee, "Lifting Design for Ships and Offshore Structures Using Non-interpenetration Constraints and Flexible Multibody System Dynamics", Proceedings of ISOPE 2018, Sapporo, Japan, pp. 910-913, 2018.06.10-15 file 2018-06-11
» International Conference Seung-Ho Ham, Myung-Il Roh, Hye-Won Lee, "Integrated Simulation Methods Based on Multibody Dynamics in Ships and Offshore Structures", Proceedings of the 32nd Asian-Pacific TEAM 2018, Wuhan, China, pp. 592-596, 2018.10.15-18 file 2018-10-17
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