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Abstract A heavy cargo such as a ship block weighing over 5000 tons is erected by multi-floating cranes in a shipyard. In this study, the coupled equations of motion of the floating cranes and the cargo are set up automatically by topological modelling approach of multi-body system dynamics for analysing the dynamic response of a cargo. The non-linear hydrostatic force with wave elevation, the linear hydrodynamic force, wire rope force, and gravitational force are regarded as external forces. The tension of wire ropes connecting the floating cranes and the cargo is calculated for waves with various directions and amplitudes. To evaluate the applicability of the proposed method, it is applied to a dynamic simulation problem of heavy cargo suspended from two floating cranes and a sub-barge between two cranes. In the results of the simulation, waves with 90◦ direction is more important to the tension of the wire ropes than the waves with 0◦ and 45◦ directions, and the ratio of the tension to the wave amplitude is calculated.
Publication Date 2010-12-01
Role Corresponding Author
Category SCIE
Impact Factor 0.566

Ju-Hwan Cha, Seung-Ho Ham, Kyu-Yeul Lee, Myung-Il Roh, "Application of a Topological Modelling Approach of Multi-body System Dynamics to Simulation of Multi-floating Cranes in Shipyards", Journal of Multi-body Dynamics, Vol. 224, No. 4, pp. 365-373, 2010.12.01


List of Articles
번호 분류 제목 Publication Date
28 International Journal Luman Zhao, Myung-Il Roh, "COLREGs-Compliant Multiship Collision Avoidance Based on Deep Reinforcement Learning", Ocean Engineering, Vol. 191, pp. 1-15, 2019.11.01 file 2019-11-01
27 International Journal Seung-Ho Ham, Myung-Il Roh, Hye-Won Lee, "Collision Detection and Response of Multibody Systems Using a Position Difference Method and Non-Interpenetration Constraint in Shipbuilding Simulation", Ocean Engineering, Vol. 195, pp. 1-18, 2020.01.01 file 2020-01-01
26 International Journal Do-Hyun Chun, Myung-Il Roh, Seung-Ho Ham, “Optimum Arrangement Design of Mastic Ropes for Membrane-type LNG Tanks Considering the Flatness of Thermal Insulation Panel and Production Cost”, Journal of Marine Science and Engineering, Vol. 8, No. 5 file 2020-05-16
25 International Journal Seong-Hoon Kim, Myung-Il Roh, Min-Jae Oh, Sung-Woo Park, "Estimation of Ship Operational Efficiency from AIS Data Using Big Data Technology", IJNAOE, Vol. 12, pp. 440-453, 2020.05.21 file 2020-05-21
24 International Journal Sang-Hyun Lee, Myung-Il Roh, Min-Jae Oh, Ki-Su Kim, "Optimal Layout Design of an LNG FPSO: A Case Study", Journal of Offshore Mechanics and Arctic Engineering, Vol. 142, No. 041403, pp. 1-17, 2020.08.01 file 2020-08-01
23 International Journal Ki-Su Kim, Myung-Il Roh, “ISO 15016:2015-based Method for Estimating the Fuel Oil Consumption of a Ship”, Journal of Marine Science and Engineering, Vol. 8, No. 10, pp. 791:1-18, 2020.10.12 file 2020-10-12
22 International Journal Ki-Su Kim, June-Beom Lee, Myung-Il Roh, Ki-Min Han, Gap-Heon Lee, "Prediction of Ocean Weather Based on Denoising AutoEncoder and Convolutional LSTM", Journal of Marine Science and Engineering, Vol. 8, No. 10, pp. 805:1-24, 2020.10.14 file 2020-10-14
21 International Journal Joo-Pil Lee, Myung-Il Roh, Hye-Won Lee, Seung-Ho Ham, "Design of a Wreck Removal Method Considering Safety and Economy", Ships and Offshore Structures, Vol. 15, No. 10, pp. 1037-1056, 2020.12.01 file 2020-12-01
20 International Journal Hye-Won Lee, Myung-Il Roh, Seung-Ho Ham, "Block Erection Simulation Considering Frictional Contact with Wire Ropes", Ocean Engineering, Vol. 217, pp. 1-24, 2020.12.01 file 2020-12-01
19 International Journal Sung-Jun Lee, Myung-Il Roh, Min-Jae Oh, "Image-based Ship Detection Using Deep Learning", Ocean Systems Engineering, Vol. 10, No. 4, pp. 415-434, 2020.12.01 file 2020-12-01
18 International Journal Ki-Su Kim, Myung-Il Roh, "Dynamic Flooding Analysis Method for Intermediate Flooding Process of a Ship", Ocean Engineering, Vol. 218, pp. 108173.1-33, 2020.12.15 file 2020-12-15
17 International Journal Seung-Ho Ham, Myung-Il Roh, “Time-domain Structural Analysis During Block Turnover and Lifting Using 2D Flexible Multibody Dynamics”, Marine Structures, Vol. 75, pp. 102841.1-26, 2021.01.01 file 2021-01-01
16 International Journal Hye-Won Lee, Myung-Il Roh, Seung-Ho Ham, "Underactuated Crane Control for the Automation of Block Erection in Shipbuilding", Automation in Construction, Vol. 124, pp. 1-28, 2021.04.01 file 2021-04-01
15 International Journal Seung-Min Lee, Jong-Hyeok Lee, Myung-Il Roh, Ki-Su Kim, Seung-Ho Ham, Hye-Won Lee, "An Optimization Model of Tugboat Operation for Conveying a Large Surface Vessel", Journal of Computational Design and Engineering, Vol. 8, No. 2, 2021.04.01 file 2021-04-01
14 International Journal Min-Jae Oh, Myung-Il Roh, Sung-Woo Park, Do-Hyun Chun, Myeong-Jo Son, Jeong-Youl Lee, “Operational Analysis of Container Ships by Using Maritime Big Data”, Journal of Marine Science and Engineering, Vol. 9, No. 4, pp. 438: 1-21, 2021.04.18 file 2021-04-18
13 International Journal Beom-Soo Kim, Min-Jae Oh, Jae-Hoon Lee, Yonghwan Kim, Myung-Il Roh, "Study on Hull Optimization Process Considering Operational Efficiency in Waves", Processes, Vol. 9, No. 5, pp. 898.1-21, 2021.05.19 file 2021-05-19
12 International Journal Jisang Ha, Myung-Il Roh, Seung-Ho Ham, Sung-Jun Lee, “Optimum Design of the Underwater Discharge System Based on Surrogate Modeling”, Journal of Marine Science and Technology (Taiwan), Vol. 29, No. 3, pp. 338-353, 2021.06.01 file 2021-06-01
11 International Journal Jisang Ha, Myung-Il Roh, Hye-Won Lee, “Quantitative Calculation Method of the Collision Risk for Collision Avoidance in Ship Navigation Using the CPA and Ship Domain”, Journal of Computational Design and Engineering, Vol. 8, No. 3, 2021.06.01 file 2021-06-01
10 International Journal June-Beom Lee, Myung-Il Roh, Ki-Su Kim, “Prediction of Ship Power Based on Variation in Deep Feed-forward Neural Network”, International Journal of Naval Architecture and Ocean Engineering, 2021.08.07 file 2021-08-12
9 International Journal Do-Hyun Chun, Myung-Il Roh, Hye-Won Lee, Jisang Ha, Donghun Yu, “Deep Reinforcement Learning-based Collision Avoidance for an Autonomous Ship”, Ocean Engineering, Vol. 234, pp. 1-20, 2021.08.15 file 2021-08-15
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