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Abstract In this paper, the development of a simulation program that can automatically generate equations of motion for mutibody systems in the discrete event simulation framework is presented. The need to analyze the dynamic response of mechanical systems that are under event triggered conditions is increasing. General mechanical systems can be defined as multibody systems that are collections of interconnected rigid bodies, consistent with various types of joints that limit the relative motion of pairs of bodies. For complex multibody systems, a systematic approach is required to efficiently set up the mathematical models. Therefore, a dynamics kernel was developed to automatically generate the equations of motion for multibody systems based on multibody dynamics. The developed dynamics kernel also provides the numerical solver for the dynamic analysis of multibody systems. The general multibody dynamics kernel cannot deal with discontinuous state variables, event triggered conditions, and state triggered conditions, though. To enable it to deal with multibody systems in discontinuous environments, the multibody dynamics kernel was integrated into a discrete event simulation framework, which was developed based on the discrete event system specification (DEVS) formalism. DEVS formalism is a modular and hierarchical formalism for modeling and analyzing systems under event triggered conditions, which are described by discontinuous state variables. To verify the developed program, it was applied to an block-lifting and transport simulation, and dynamic analysis of the system is carried out.
Publication Date 2011-09-02
Nam-Kug Ku, Ara Jo, Sol Ha, Myung-Il Roh, Kyu-Yeul Lee, "Automatic Generation of Equations of Motion for Multibody System in Discrete Event Simulation Framework", Proceedings of First World Conference on INSODE(Innovation and Software Development) 2011, Istanbul, Turkey, pp. 55-64, 2011.09.02-04

List of Articles
번호 분류 제목 Publication Date
416 Invited Seminar Myung-Il Roh, "Introduction to Program of University Specialized for Offshore Plant Engineering in Korea", Offshore Korea 2016, Busan, Korea, 2016.10.19-20 2016-10-20
415 Invited Seminar Myung-Il Roh, "SNU Education Programs for Offshore Engineering", The 30th Asian-Pacific TEAM(Technical Exchange and Advisory Meeting on Marine Structures) 2016, Mokpo, Korea, 2016.10.10.10 2016-10-11
414 International Conference Myung-Il Roh, "Applications of Deep Learning in Ship Design, Production, and Operation Stages", Proceedings of ICDM(International Conference on Decarbonization and Digitalization in Marine Engineering) 2022, Siheung, Korea, 2022.04.28-29 2022-04-29
413 Invited Seminar Myung-Il Roh, "Core AI Technologies for Autonomous Ships", 2023 Annual Autumn Meeting, JASNAOE (Japan Society of Naval Architects and Ocean Engineers), Nagasaki, Japan, 2023.11.27-28 file 2023-11-27
412 International Conference Myung-Il Roh, "Physics-based Simulation for Design, Production, and Installation of Ships and Offshore Structures", International Symposium on Computational Design and Engineering, Ho Chi Minh, Vietnam, 2017.12.13-16 2017-12-15
411 International Conference Myung-Il Roh, "Simulation Based Engineering for Ship and Offshore Plant", International Ocean Technology Conference & Expo (IOTCE 2015), Qingdao, China, 2015.09.01-03 file 2015-09-02
410 International Conference Myung-Il Roh, Kyu-Yeul Lee, "Generation of Production Information for a Building Block and Simulation of the Block Erection for Computer-Aided Process Planning and Scheduling", Proceedings of IMDC(International Marine Design Conference) 2006, Michigan, USA, pp. 382-395, 2006.05.16-19 file 2006-05-16
409 International Conference Myung-Il Roh, Kyu-Yeul Lee, Seong-Jin Yoo, "An Algorithm for Generating the Hull Structural Analysis Model Using the Seam Information of the Hull Structure", Proceedings of the 2nd PAAMES and AMEC 2006, Jeju, Korea, pp. 399-404, 2006.10.17-20 file 2006-10-17
408 International Conference Myung-Il Roh, Seong-Ho Seo, Hyun-Kyoung Shin, Nam-Kug Ku, Sol Ha, Ki-Su Kim, "Simplified Model for the Weight Estimation of Floating Offshore Plant Using the Statistical Method", Proceedings of OMAE 2014, San Francisco, USA, pp. 1-8, 2014.06.08-13 file 2014-06-10
407 International Conference Myung-Il Roh, Seung-Ho Ham, Ki-Su Kim, Luman Zhao, "Integrated Simulation Based on Multiphysics Analysis, Virtual Reality, and Hardware for Offshore Installation, Operation, and Maintenance", OTC Asia 2016, 2016.03.22-26 file 2016-03-23
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