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Abstract When a floater such as a ship or an offshore structure is damaged in the sea, it is necessary to determine whether the floater will sink in water or not. If the floater will sink, the time to sink should be estimated to make an emergency plan. In addition, causes of the flooding should be investigated carefully. For this purpose, a method for performing intermediate flooding and sinking simulation of the damaged floater in time domain is proposed in this study. Overall process of the proposed method consists of several steps. In the first step, data of the damaged floater such as hull form and compartments are prepared. In the second step, physical characteristics of the floater such as the increased weight considering incoming water, the center of gravity, the changed buoyancy, and the center of buoyancy are calculated at every time step. In the third step, the quasi-static equilibrium position of the floater is calculated. The second and third steps are repeated until the floater reaches to sink or to be in equilibrium. As a result, the final condition of the floater can be determined. To check the feasibility of the proposed method, it is applied to a simple box problem. Finally, it is applied to intermediate flooding simulation of a barge-type damaged floater. Two cases having damaged holes of different locations are selected. As a result, it was confirmed that the floater can be in equilibrium or sink according to the damaged position. The time to be in equilibrium or the time to sink was estimated.
Publication Date 2017-01-01
Role Corresponding Author
Category Scopus

Ju-Sung Kim, Myung-Il Roh, Seung-Ho Ham, “A Method for Intermediate Flooding and Sinking Simulation of a Damaged Floater in Time Domain”, Journal of Computational Design and Engineering, Vol. 4, No. 1, pp. 1-13, 2017.01.01


List of Articles
번호 분류 제목 Publication Date
114 Domestic Journal 구남국, 하솔, 노명일, "상하 동요 감쇠 장치 적용을 통한 새로운 다물체 동역학 프로그램의 적용성 검토", 한국전산구조공학회 논문집, Vol. 26, No. 4, pp. 247-254, 2013.08.01 file 2013-08-01
113 Domestic Journal 구남국, 하솔, 김기수, 노명일, "해상 크레인을 이용한 해상 풍력 발전기의 다물체계 동역학 설치 해석", 한국전산구조공학회 논문집, Vol. 26, No. 4, pp. 233,-239, 2013.08.01 file 2013-08-01
112 Domestic Journal 구남국, 이준채, 황지현, 노명일, 이규열, "최적화 기법을 이용한 LNG FPSO 액화 공정 장비의 다층 배치", 대한조선학회 논문집, Vol. 49, No. 1, pp. 68-78, 2012.02.01 file 2012-02-01
111 Domestic Journal 구남국, 노명일, 하솔, 신현경, "다물체계 운동 방정식 선형화를 통한 해상 풍력 발전기 동적 거동의 주파수 영역 해석 방법에 관한 연구", 한국CAD/CAM학회 논문집, Vol. 20, No. 1, pp. 84-92, 2015.03.01 file 2015-03-01
110 Domestic Journal 구남국, 노명일, 차주환, "최적 러그 배치를 위한 골리앗 크레인의 와이어 로프와 선체 블록간의 동적 접촉력 계산", 한국전산구조공학회 논문집, Vol. 25, No. 5, pp. 375-380, 2012.10.01 file 2012-10-01
109 Domestic Journal 구남국, 노명일, 이규열, "부유식 해상 풍력 발전기의 Tower Top 및 Rotor Shaft에 작용하는 동적 하중 계산", 한국전산구조공학회 논문집, Vol. 25, No. 5, pp. 455-463, 2012.10.01 file 2012-10-01
108 International Journal Xing Li, Myung-Il Roh, Seung-Ho Ham, "A Collaborative Simulation in Shipbuilding and the Offshore Installation Based on the Integration of the Dynamic Analysis, Virtual Reality, and Control Devices", IJNAOE, Vol. 11, No. 2, pp. 699-722, 2019.07.01 file 2019-07-01
107 International Journal Won-Jae Lee, Myung-Il Roh, Hye-Won Lee, Jisang Ha, Yeong-Min Cho, Nam-Sun Son, “Detection and Tracking for the Awareness of Surroundings of a Ship Based on Deep Learning”, Journal of Computational Design and Engineering, Vo. 8, No. 5 file 2021-10-01
106 International Journal Tae-Sub Um, Myung-Il Roh, "Optimal Dimension Design of a Hatch Cover for Lightening a Bulk Carrier", International Journal of Naval Architecture and Ocean Engineering, Vol. 7, No. 2, pp. 270-287, 2015.03.01 file 2015-03-01
105 International Journal Sung-Woo Park, Myung-Il Roh, Min-Jae Oh, Seong-Hoon Kim, "Association Analysis of Piping Materials of an Offshore Structure Using Big Data Technology", Journal of Ship Production and Design, Vol. 35, No. 3, pp. 220-230, 2019.08.01 file 2019-08-01
104 International Journal Sung-Min Lee, Myung-Il Roh, Ki-Su Kim, Seung-Ho Ham, "Optimum Design of Lug Arrangement Based on Static and Dynamic Analyses for Block Lifting", Journal of Ship Production and Design, Vol. 34, No. 2, pp. 119-133, 2018.05.01 file 2018-05-01
103 International Journal Sung-Min Lee, Myung-Il Roh, Ki-Su Kim, Hoe-Ryong Jung, Jong-Jin Park, "Method for a Simultaneous Determination of the Path and the Speed for Ship Route Planning Problems", Ocean Engineering, Vol. 157, pp. 301-312, 2018.06.01 file 2018-06-01
102 International Journal Sung-Kyoon Kim, Myung-Il Roh, Ki-Su Kim, “Evaluation of Feasibility Index in the Arrangement Design of an Offshore Topside based on the Automatic Transformation of Experts’ Knowledge and the Fuzzy Logic”, Ocean Engineering, Vol. 130, 2017.01.15 file 2017-01-15
101 International Journal Sung-Kyoon Kim, Myung-Il Roh, Ki-Su Kim, “Arrangement Method of Offshore Topside Based on an Expert System and Optimization Technique”, Journal of Offshore Mechanics and Arctic Engineering, Vol. 139, No. 2, pp. 1-19, 2017.04.01 file 2017-04-01
100 International Journal Sung-Jun Lee, Myung-Il Roh, Min-Jae Oh, "Image-based Ship Detection Using Deep Learning", Ocean Systems Engineering, Vol. 10, No. 4, pp. 415-434, 2020.12.01 file 2020-12-01
99 International Journal Sun-Kyung Jung, Myung-Il Roh, Ki-Su Kim, "Arrangement Method of a Naval Surface Ship Considering Stability, Operability, and Survivability", Ocean Engineering, Vol. 152, pp. 316-333, 2018.02.23 file 2018-02-23
98 International Journal Sol Ha, Tae-Sub Um, Myung-Il Roh, Hyun-Kyoung Shin, “A Structural Weight Estimation Model of FPSO Topsides Using an Improved Genetic Programming Method”, Ships and Offshore Structures, Vol. 12, No. 1, pp. 43-55, 2017.01.01 file 2017-01-01
97 International Journal Sol Ha, Seong-Ho Seo, Myung-Il Roh, Hyun-Kyoung Shin, "Simplified Nonlinear Model for the Weight Estimation of FPSO Plant Topside Using the Statistical Method", Ships and Offshore Structures, Vol. 11, No. 6, pp. 603-619, 2016.09.01 file 2016-09-01
96 International Journal Sol Ha, Nam-Kug Ku, Myung-Il Roh, Kyu-Yeul Lee, "Cell-Based Evacuation Simulation Considering Human Behavior in a Passenger Ship", Ocean Engineering, Vol. 53, pp. 138-152, 2012.10.01 file 2012-10-01
95 International Journal Sol Ha, Nam-Kug Ku, Myung-Il Roh, Ho-Jin Hwang, "Multibody System Dynamics Simulator for Process Simulation of Ships and Offshore Plants in Shipyards", Advances In Engineering Software, Vol. 85, pp. 12-25, 2015.07.01 file 2015-07-01
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