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Abstract In this paper, a generic logical model of the liquefaction cycle in an LNG FPSO is proposed to automatically generate various alternatives to such cycle. The generic logical model, which has rules for combining equipment for the liquefaction cycle, is represented by the system entity structure (SES), an ontological framework that hierarchically represents the elements of a system and their relationships. Using this generic logical model, process simulation was performed to determine the optimal-i.e., the most effective-operating conditions for the liquefaction cycle. The method based on sequential modular simulation was used for the process simulation. All the equipment for this method were modeled on the DEVS (Discrete Event System Specification) formalism and connected with the logical models of the liquefaction cycles. Various types of liquefaction cycles for the LNG FPSO, including a dual mixed-refrigerant (DMR) cycle, were synthesized, and the optimal operating conditions for these feasible liquefaction cycles were determined through sequential modular simulation in a DEVS environment.
Publication Date 2013-06-30

Sol Ha, Nam-Kug Ku, Myung-Il Roh, "Ontological Modeling and Process Simulation of LNG FPSO Liquefaction Cycle based on DEVS Formalism", Proceedings of ISOPE(International Society of Offshore and Polar Engineers) 2013, Alaska, USA, pp. 950-958, 2013.06.30-07.05


List of Articles
번호 분류 제목 Publication Date
376 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
375 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
374 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
373 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
372 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
371 Conference Chairman Ship & Ocean Engineering, 2017년도 한국CDE학회 하계학술발표회, 서울, 2017.08.17-18 2017-08-17
370 Conference Chairman Ship & Ocean Engineering II, 2016년도 한국CDE학회 하계학술발표회, 부산, 2016.08.25-26 2016-08-25
369 Conference Chairman Ship & Ocean Engineering II, 2017년도 한국CDE학회 동계학술발표회, 평창, 2017.02.08-10 2017-02-09
368 Conference Chairman Ship CAD I, 2009년도 한국CAD/CAM학회 학술발표회, 평창, 2009.02.04-06 2009-02-05
367 International Conference Sol Ha, Ki-Su Kim, Seung-Ho Ham, Myung-Il Roh, Nam-Kug Ku, "Co-simulation of Multibody System Dynamics and Moving Particle Semi-implicit Method for Heavy Load Lifting Operations in Shipyards", Proceedings of ISOPE 2015, Hawaii, USA, 2015.06.21-26 file 2015-06-25
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