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Abstract Surrogate modeling is a method that uses a simplified model of an actual model to drive results with reduced computational cost while maintaining accuracy as much as possible. The surrogate model can predict the results quickly without performing complex analysis. In this study, surrogate modeling method is applied to ship flooding analysis. If a ship is damaged on the sea, the ship may sink and/or cause oil spillage, resulting in human casualties and environmental impact. The casualties of flooding can be minimized if the ship’s stability and the time to reach equilibrium is predicted within a short time when the damage occurs. However, since the flooding analysis is a time domain simulation with complexity, it takes too long time to be used in such circumstance. To reduce the computational cost of estimating ship’s stability, surrogate modeling method is used. To construct the surrogate model, various types of a deep artificial neural network are tried. Each result of Kim’s flooding analysis is used to train the neural network. In result, accurate estimations are obtained by the surrogate model within a dramatically reduced time.
Publication Date 2017-12-15

Jisang Ha, Myung-Il Roh, Sung-Jun Lee, Ki-Su Kim, Seung-Min Lee, "Toward Rapid Analysis Using Surrogate Model by Deep Learning and Application to Ship Flooding Analysis", Proceedings of ISCDE(International Symposium on Computational Design and Engineering) 2017, Ho Chi Minh, Vietnam, pp. 1-2, 2017.12.13-16


List of Articles
번호 분류 제목 Publication Date
293 Domestic Conference 이성준, 노명일, 함승호, 김신형, "조선해양분야에서의 물리 기반 시뮬레이션의 실감 가시화 방안 연구", 2018년도 한국CDE학회 동계학술발표회, 횡성, pp. 190, 2018.01.23-26 file 2018-01-24
292 Conference Chairman 설계 및 법규 (A1), 2017년도 대한조선학회 추계학술발표회, 여수, 2017.11.02-03 2017-11-02
291 Domestic Conference 박성우, 노명일, 오민재, 김성훈, "빅데이터 기술을 이용한 자재 연관성 평가를 위한 연구", 2017년도 해양플랜트설계연구회 추계워크샵, 목포, 2017.11.16-17 file 2017-11-16
290 International Conference Seung-Ho Ham, Myung-Il Roh, Hye-Won Lee, "Physics-based Simulation and Its Applications for Design, Production, and Installation of Ships and Offshore Structures", Proceedings of SUTTC 2017, Haikou, China, pp. 1, 2017.11.23-24 file 2017-11-24
289 Domestic Conference 노명일, 조상래, 정준모, 김영제, 변정우, "손상 함정의 침수 해석 기반 복원성 평가 방법", 2017년도 함정기술무기체계 세미나, 부산, 2017.10.26-27 file 2017-10-27
288 Domestic Conference 함승호, 노명일, 이성준, 조로만, 이주필, "조선 해양 분야에서의 물리 기반 해석과 가상 현실의 통합 시뮬레이션 기술 개발 및 적용", 2017년도 조선해양생산연구회 추계학술발표회, 부산, 2017.10.19-20 file 2017-10-19
» International Conference Jisang Ha, Myung-Il Roh, Sung-Jun Lee, Ki-Su Kim, Seung-Min Lee, "Toward Rapid Analysis Using Surrogate Model by Deep Learning and Application to Ship Flooding Analysis", Proceedings of ISCDE 2017, Ho Chi Minh, Vietnam, pp. 1-2, 2017.12.13-16 file 2017-12-15
286 International Conference Sung-Woo Park, Myung-Il Roh, Seong-Hoon Kim, Min-Jae Oh, "Material Requirements Planning of Offshore Structures Using Big Data Frameworks", Proceedings of ISCDE 2017, Ho Chi Minh, Vietnam, pp. 1-2, 2017.12.13-16 file 2017-12-15
285 International Conference Luman Zhao, Myung-Il Roh, Hye-Won Lee, "Control Design for an Unmanned Surface Vessel Based on Hardware-In-the-Loop Simulation", Proceedings of SUTTC(The Society for Underwater Technology Technical Conference) 2017, Haikou, China, 2017.11.23-24 file 2017-11-23
284 International Conference Hye-Won Lee, Myung-Il Roh, Seung-Ho Ham, "Toward Advanced Mooring Analysis of a Floating Crane Based on Flexible Multibody Dynamics", Proceedings of SUTTC(The Society for Underwater Technology Technical Conference) 2017, Haikou, China, 2017.11.23-24 file 2017-11-23
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