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Abstract Ships and offshore plants are divided into several blocks and then erected by using one or more cranes on the dock through the operation called block erection. Because the blocks contain several outfitting installed before the erection, collision during the operation can occur and this is one of main reasons to delay the production of the ships and offshore plants. Moreover, in case of ships including internal tanks such as LPG carrier or LNG carrier, the tanks should be erected inside the hull structure which can cause collision between them during the erection. Therefore, the collision should be carefully checked before the actual operation. Even though the collision is checked statically, the unexpected collision can occur due to various external or environmental loads. Thus, collision analysis based on multibody system dynamics is performed in this study. Generally, there are two methods for the collision analysis; the impulse response method and the force-based method. Traditionally, the impulse response method has been commonly used in the collision analysis. However, it cannot be used with a multibody system because the method calculates the velocity of a single body directly. Furthermore, collision forces between collided objects cannot be calculated in the impulse response method. Therefore, in this study, the force-based method is applied to consider various collisions in the multibody system and to calculate collision forces. To evaluate the effectiveness of the method, it is applied to the erection of a LPG tank of a LPG carrier by using a floating crane. As a result, it can be seen that collisions between the tank and the hull structure during the erection are detected and collision forces are accurately calculated.
Publication Date 2016-10-12

Hye-Won Lee, Myung-Il Roh, Seung-Ho Ham, “Dynamics-based Collision Analysis for Block Erection in Shipyard”, Proceedings of the 30th Asian-Pacific TEAM(Technical Exchange and Advisory Meeting on Marine Structures) 2016, Mokpo, Korea, pp. 270-273, 2016.10.10-13


List of Articles
번호 분류 제목 Publication Date
306 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
305 Conference Chairman Day 4, SUTTC(The Society for Underwater Technology Technical Conference) 2016, Beijing, China, 2016.09.26-09.30 2016-09-29
304 International Conference Ju-Sung Kim, Myung-Il Roh, Seung-Ho Ham, Ki-Su Kim, "Dynamic Method for Flooding Simulation of a Damaged Floater Considering Ocean Environmental Loads", Proceedings of the 30th Asian-Pacific TEAM 2016, Mokpo, Korea, 2016.10.10-13 file 2016-10-12
» International Conference Hye-Won Lee, Myung-Il Roh, Seung-Ho Ham, "Dynamics-based Collision Analysis for Block Erection in Shipyard", Proceedings of the 30th Asian-Pacific TEAM 2016, Mokpo, Korea, 2016.10.10-13 file 2016-10-12
302 Domestic Conference 함승호, 노명일, 이혜원, 홍진욱, 문중수, 심우승, "초대형해상크레인의 시뮬레이션 기반 작업 안전성 평가 시스템 개발", 2016년도 한국화학공학회 추계학술발표회, 대전, 2016.10.20-21 file 2016-10-20
301 International Conference Seung-Ho Ham, Myung-Il Roh, Hye-Won Lee, "Dynamic Analysis for Design and Production in Shipbuilding", Proceedings of ACDDE 2016, Jeju, Korea, 2016.10.25-28 file 2016-10-27
300 International Conference Hye-Won Lee, Myung-Il Roh, Seung-Ho Ham, "Collision Analysis of Block Erection by a Floating Crane", Proceedings of ACDDE 2016, Jeju, Korea, 2016.10.25-28 file 2016-10-27
299 International Conference Sung-Min Lee, Myung-Il Roh, Ki-Su Kim, "Determination of Economical Ship Route Using Simultaneous Optimization Method", Proceedings of ACDDE 2016, Jeju, Korea, 2016.10.25-28 file 2016-10-27
298 Domestic Conference 정동훈, 노명일, 함승호, 이찬영, "탐지 및 기동 성능을 고려한 함정의 공학급 교전 시뮬레이션 방법 연구", 2016년도 대한조선학회 추계학술발표회, 창원, pp. 214, 2016.11.03-04 file 2016-11-03
297 Domestic Conference 김주성, 노명일, 함승호, 김기수, "기름 유출 및 적재 화물을 고려한 손상 선박의 준 정적 침수 시뮬레이션 방법 연구", 2016년도 대한조선학회 추계학술발표회, 창원, pp. 283, 2016.11.03-04 file 2016-11-04
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