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Abstract The CFD (Computational Fluid Dynamics) analysis is normally used to evaluate the hydrodynamic performance of hull forms in the process of hull form design. The hull form candidates are improved through the iterative process of editing them if their performance is not good enough. However, since the CFD analysis is computationally expensive, the estimation of the hydrodynamic performance using it requires a long time. Due to the limited time for the design, the hull form iterations are not enough to find the optimal hull form. To solve this problem, we proposed a method to estimate the hydrodynamic performance of the hull forms using deep learning. The use of deep learning has the disadvantage that it takes a long time to accumulate data and learn but has the advantage that it takes only a very short time to run the model and obtain the result once training is complete. In this study, the hull form of a small ship was first parameterized with dozens of parameters to generate various hull forms. Then, a number of hull forms were created by randomly generating thousands of parameter sets that determine the hull form. Finally, the hydrodynamic performance for the ground truth was derived by performing CFD analysis on the hull forms. We considered multiple deep learning models to estimate the performance more accurately and selected the best model among them. The proposed method was applied to a small ship. As a result, with the proposed model, the hydrodynamic performance of the hull forms can be estimated shortly with a certain level of error.
Publication Date 2022-11-06

Jin-Hyeok Kim, Myung-Il Roh, In-Chang Yeo, Ki-Su Kim, "Estimation of the Hydrodynamic Performance of the Parameterized Hull Forms Using Deep Learning", Proceedings of G-NAOE 2022, Changwon, Korea, 2022.11.06-10


List of Articles
번호 분류 제목 Publication Date
20 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
19 International Conference Hye-Won Lee, Myung-Il Roh, Seung-Ho Ham, "Ship Mooring Design Based on Flexible Multibody Dynamics", Proceedings of the 13th IMDC, Helsinki, Finland, pp. 563-566, 2018.06.10-14 file 2018-06-11
18 International Conference Hye-Won Lee, Myung-Il Roh, Seung-Ho Ham, "Modeling of a Mooring System Based on Flexible Multibody Dynamics Considering Contact with Seabed", Proceedings of the 9th ACMD 2018, Xian, China, 2018.08.19-23 file 2018-08-20
17 International Conference Hye-Won Lee, Myung-Il Roh, Seung-Ho Ham, "Method for the Accurate and Automatic Operation of Offshore Floating Cranes for the Block Erection in Shipyards", Proceedings of OMAE 2020, Held in Virtual Conference, 2020.08.03-07 file 2020-08-05
16 International Conference Hye-Won Lee, Myung-Il Roh, Seung-Ho Ham, "Control of the Underactuated Gantry Crane for the Block Erection Operation in the Shipyard", MIM 2019, Berlin, Germany, 2019.08.28-30 file 2019-08-29
15 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
14 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
13 International Conference Hye-Won Lee, Myung-Il Roh, Luman Zhao, Seung-Ho Ham, Nakwan Kim, Chan-Woo Yu, "Integrated Development Environment Of Autonomic Software for USV (Unmanned Surface Vehicle) Based on Ros (Robot Operating System)", Proceedings of ICCAS 2017, Singapore file 2017-09-26
12 International Conference Hye-Won Lee, Myung-Il Roh, Ki-Su Kim, Kuk-Jin Kang, Seong-Yeob Jung, "Arctic Sea Route Planning Based on POLARIS Rule", Proceedings of ISOPE 2019, Honolulu, Hawaii, pp. 875-877, 2019.06.16-21 file 2019-06-20
11 International Conference Dong-Hoon Jeong, Myung-Il Roh, Seung-Ho Ham, Woo-Young Choi, Chan-Young Lee, Kyung-Min Seo, Dong-Chul Lee, "Simulation-Based Performances Analysis for Naval Ships at the Initial Design Stage", Proceedings of ISOPE 2016, Rhodes, Greece file 2016-06-30
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