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International Conference
2016.10.05 10:27

Seung-Ho Ham, Myung-Il Roh, Hye-Won Lee, Jung-Woo Hong, "Dynamic Motion Analysis of a Drilling Rig Connected with Flexible Risers based on Flexible Multibody Dynamics", Proceedings of SUTTC 2016, Beijing, China, 2016.09.26-30

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Abstract During drilling operation, the motion of a drilling rig should be predicted for the safety assessment under various ocean environmental conditions. However, it is not easy to analyze its motion because an analysis target which includes a BOP (Blow-Out Preventer), risers, and a riser tensioner system is fully coupled and connected each other. The BOP and the bottom of the risers are connected to each other by a ball joint. The top of the risers called a telescopic joint is connected with tension rings of the riser tensioner system by a ball joint. The WRT (wireline riser tensioner) system, which is composed of the tension rings and several hydraulic and pneumatic cylinders, is used to compensate the heave and yaw motion of the drilling rig. Between the telescopic joint and the BOP, several pieces of drilling risers are used to connect them. In this study, we developed a dynamic analysis program called SyMAP (SydLab’s Multiphysics Analysis Program) considering flexible effects of the risers. For this, the concept of multibody dynamics is introduced and used to simulate the motion of multiple bodies connected by various types of joints. And then, a FE (finite element) method based on the ANCF (Absolute Nodal Coordinate Formulation) is adopted to consider flexible effects of the bodies such as the risers. To evaluate the effectiveness and applicability of the developed program, it was applied to the dynamic motion analysis of the drilling rig connected with the risers. As a result, maximum motions of the drilling rig and bending moments of the riser were calculated under ocean environmental conditions according to various significant wave heights and mean wave periods. 2016-09-29

Seung-Ho Ham, Myung-Il Roh, Hye-Won Lee, Jung-Woo Hong, "Dynamic Motion Analysis of a Drilling Rig Connected with Flexible Risers based on Flexible Multibody Dynamics", Proceedings of SUTTC(The Society for Underwater Technology Technical Conference) 2016, Beijing, China, 2016.09.26-30

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List of Articles
번호 분류 제목 Publication Date
45 International Conference Sang-Hyun Lee, Myung-Il Roh, Seung-Min Lee, Ki-Su Kim, "Optimization Method for the Arrangement of LNG FPSO Considering Stability, Safety, Operability, and Maintainability", Proceedings of IMDC 2018, Helsinki, Finland, 2018.06.10-14 2018-06-11
44 International Conference Sang-Rai Cho, Jong-Min Kim, Young-Hun Kim, Joo-Sung Lee, Myung-Il Roh, "Towards More Rational Design of Ship Structures against Collisions", Proceedings of ICCGS(International Conference on Collision and Grounding of Ships) 2013, Trondheim, Norway, pp. 187-195, 2013.06.17-19 2013-06-17
43 International Conference Se-Yong Jeong, Seong-Ho Seo, Myung-Il Roh, "A Method for Determining a Ship Economic Route for Fuel Saving", Proceedings of ISGMA(International Symposium on Green Manufacturing and Applications) 2012, Jeju, Korea, pp. 1-5, 2012.08.27-29 2012-08-27
42 International Conference Seong-Ho Seo, Myung-Il Roh, Nam-Kug Ku, Kyu-Yeul Lee, "Dynamic Response Simulation of an Offshore Wind Turbine Suspended by a Floating Crane", Proceedings of ISGMA(International Symposium on Green Manufacturing and Applications) 2012, Jeju, Korea, pp. 1-7, 2012.08.27-29 2012-08-27
41 International Conference Seong-Hoon Kim, Myung-Il Roh, Min-Jae Oh, Namkug Ku, Sehyun Myung, "Big Data Platform for PLM (Product Lifecycle Management) Systems in Shipbuilding and Offshore Industry", Proceedings of ICCAS 2017, Singapore, Singapore, 2017.09.26-28 2017-09-27
40 International Conference Seong-Yeob Jeong, Kuk-Jin Kang, Hyun-Soo Kim, Jung-Joong Kim, Myung-Il Roh, "A Study of Ship Safe Voyage Planning in the Northern Sea Route", Proceedings of PACOMS 2018, Jeju, Korea, 2018.10.14-17 2018-10-15
» International Conference Seung-Ho Ham, Myung-Il Roh, Hye-Won Lee, Jung-Woo Hong, "Dynamic Motion Analysis of a Drilling Rig Connected with Flexible Risers based on Flexible Multibody Dynamics", Proceedings of SUTTC 2016, Beijing, China, 2016.09.26-30 2016-09-29
38 International Conference Seung-Ho Ham, Jeong-Woo Hong, Ki-Su Kim, Sol Ha, Myung-Il Roh, Ju-Hwan Cha, Nam-Kug Ku, "Multi-physics Framework for Advanced Simulation in Shipbuilding", Proceedings of ISOPE 2015, Hawaii, USA, 2015.06.21-26 2015-06-25
37 International Conference Seung-Ho Ham, Ju-Sung Kim, Hye-Won Lee, Sol Ha, Myung-Il Roh, "Flooding and Salvage Simulation of a Damaged Floater", Proceedings of IMDC 2015, Tokyo, Japan, 2015.5.11-14 2015-05-12
36 International Conference Seung-Ho Ham, Myung-Il Roh, "Multibody Formulation of a Load-out Problem of a Mega Block Using Modular Transporters in Shipbuilding Industry", Proceedings of the 8th ECCOMAS Thematic Conference on Multibody Dynamics, Prague, Czech, 2017.06.19-22 2017-06-19
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