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Abstract An offshore support vessel (OSV) is a ship that supports exploration, development, and production activities in the offshore industry. Recently, industrial demand for OSVs has increased due to a large number of offshore field development projects worldwide. One of the main functions of an OSV is heavy lifting such as subsea equipment installations in offshore oil or gas fields using crane. Therefore, predicting dynamic loads in various operation conditions is one of the crucial points in the lifting operation of an OSV. To do this, crane-lifting simulation needs to precede real operation to verify the safety of the lifting operation. Most simulation tools use a rigid body model for crane-lifting simulation. However, in real cases, some heavy loaded components such as crane boom might be deformed due to their own weight and the weight of the lifted object. The deformation can change during the lifting operation because ship motion induced by ocean waves and winds can affect the overall behavior of the OSV. This study derives equations for the motion of a multibody system using a flexible body model for the crane boom based on finite element formulation to analyze the behavior of the system, dynamic loads, and the deformation of the crane boom under various ocean conditions. Motion equations were solved with fourth-order Runge-Kutta method. Our results showed that flexible body models had bigger dynamic amplification fac-tors than rigid body models in all cases, indicating that the flexibility of the crane boom should be considered for accurate estimation of the dynamic effect on OSV lifting simulation. Finally, we can find operability of the lifting operation at given ocean conditions.
Publication Date 2016-08-01
Role Corresponding Author
Category SCIE
Impact Factor 0.298

Jeong-Woo Hong, Myung-Il Roh, Seung-Ho Ham, Sol Ha, "Dynamic Simulation of Subsea Equipment Installation Using an Offshore Support Vessel Based on Flexible Multibody System Dynamics", Journal of Marine Science and Technology (Taiwan), Vol. 24, No. 4, pp. 807-821, 2016.08.01


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  3. No Image 12Aug
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  4. No Image 13Jul
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  5. No Image 10May
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  8. No Image 21Mar
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  10. No Image 29Nov
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    Sung-Kyoon Kim, Myung-Il Roh, Ki-Su Kim, “Evaluation of Feasibility Index in the Arrangement Design of an Offshore Topside based on the Automatic Transformation of Experts’ Knowledge and the Fuzzy Logic”, Ocean Engineering, Vol. 130, 2017.01.15

  11. No Image 20Oct
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  12. No Image 08Oct
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    Ju-Sung Kim, Myung-Il Roh, Seung-Ho Ham, “A Method for Intermediate Flooding and Sinking Simulation of a Damaged Floater in Time Domain”, Journal of Computational Design and Engineering, Vol. 4, No. 1, pp. 1-13, 2017.01.01

  13. No Image 24Aug
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    John-Kyu Hwang, Myung-Il Roh, Ju-Hwan Cha, “Design Modification of a Damaged Free-Fall Lifeboat for FPSO Through Free-Fall Tests”, International Journal of Offshore and Polar Engineering, Vol. 26, No. 4, pp. 417-422, 2016.12.01

  14. No Image 24May
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    Dong-Hoon Jeong, Myung-Il Roh, Seung-Ho Ham, "Lifting Simulation of an Offshore Supply Vessel Considering Various Operating Conditions", Advances in Mechanical Engineering, Vol. 8, No. 6, pp. 1-13, 2016.06.16

  15. No Image 18Apr
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    Ki-Su Kim, Myung-Il Roh, "A Submarine Arrangement Design Program Based on the Expert System and the Multistage Optimization", Advances In Engineering Software, Vol. 98, No. 97-111, 2016.08.01

  16. No Image 24Mar
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    Hye-Won Lee, Myung-Il Roh, Seung-Ho Ham, "Block Turnover Simulation Considering the Interferences between the Block and Wire Ropes in Shipbuilding", Automation in Construction, Vol. 67, pp. 60-75, 2016.07.01

  17. No Image 11Mar
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  18. No Image 16Sep
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  19. No Image 26Aug
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  20. No Image 25Aug
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