Hydrodynamic Response of a Large-Scale Mariculture Ship Based on Potential Flow Theory
The marine fishery will be the main form of the marine economy in the future. Simulating a hydrodynamic response under normal and extreme working conditions is the main means of structural analysis and design of a mariculture ship. In this paper, a simulation methodology is proposed based on potenti...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-10-01
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| Series: | Journal of Marine Science and Engineering |
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| Online Access: | https://www.mdpi.com/2077-1312/11/10/1995 |
| _version_ | 1797573339384905728 |
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| author | Chaonan He Linqing Zhou Xinwei Ma |
| author_facet | Chaonan He Linqing Zhou Xinwei Ma |
| author_sort | Chaonan He |
| collection | DOAJ |
| description | The marine fishery will be the main form of the marine economy in the future. Simulating a hydrodynamic response under normal and extreme working conditions is the main means of structural analysis and design of a mariculture ship. In this paper, a simulation methodology is proposed based on potential flow theory, focusing on a semi-submersible large-scale mariculture ship with a rigid frame. Abaqus/Aqua 2020 software is used to establish a full-scale dynamic analysis model of the fishery. In the simulation, a nonlinear implicit integration method is applied, and the non-deterministic boundary conditions of the floating body are optimized using dynamic equilibrium principles. By varying the wave and flow conditions, the variations in mooring forces, vibration amplitudes, and average vibration values are analyzed. Furthermore, the dynamic changes in the overall spatial displacements of the fishery, characteristics of longitudinal and vertical oscillations, and mid-span deflections are analyzed. It is concluded that the mooring force is linearly correlated with the flow velocity, that a higher wave increases the longitudinal oscillation amplitude, and that a longer wave period leads to higher mooring forces and longitudinal heaving amplitude. These dynamic response and displacement results of the mariculture ship are expected to provide a basis for its design and safety assessment. |
| first_indexed | 2024-03-10T21:09:25Z |
| format | Article |
| id | doaj.art-f5b71a31dc4c4f2aaa715df2d780b7dd |
| institution | Directory Open Access Journal |
| issn | 2077-1312 |
| language | English |
| last_indexed | 2024-03-10T21:09:25Z |
| publishDate | 2023-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Journal of Marine Science and Engineering |
| spelling | doaj.art-f5b71a31dc4c4f2aaa715df2d780b7dd2023-11-19T16:59:37ZengMDPI AGJournal of Marine Science and Engineering2077-13122023-10-011110199510.3390/jmse11101995Hydrodynamic Response of a Large-Scale Mariculture Ship Based on Potential Flow TheoryChaonan He0Linqing Zhou1Xinwei Ma2School of Ocean Engineering, Harbin Institute of Technology, Weihai 264209, ChinaSchool of Ocean Engineering, Harbin Institute of Technology, Weihai 264209, ChinaSchool of Ocean Engineering, Harbin Institute of Technology, Weihai 264209, ChinaThe marine fishery will be the main form of the marine economy in the future. Simulating a hydrodynamic response under normal and extreme working conditions is the main means of structural analysis and design of a mariculture ship. In this paper, a simulation methodology is proposed based on potential flow theory, focusing on a semi-submersible large-scale mariculture ship with a rigid frame. Abaqus/Aqua 2020 software is used to establish a full-scale dynamic analysis model of the fishery. In the simulation, a nonlinear implicit integration method is applied, and the non-deterministic boundary conditions of the floating body are optimized using dynamic equilibrium principles. By varying the wave and flow conditions, the variations in mooring forces, vibration amplitudes, and average vibration values are analyzed. Furthermore, the dynamic changes in the overall spatial displacements of the fishery, characteristics of longitudinal and vertical oscillations, and mid-span deflections are analyzed. It is concluded that the mooring force is linearly correlated with the flow velocity, that a higher wave increases the longitudinal oscillation amplitude, and that a longer wave period leads to higher mooring forces and longitudinal heaving amplitude. These dynamic response and displacement results of the mariculture ship are expected to provide a basis for its design and safety assessment.https://www.mdpi.com/2077-1312/11/10/1995rigid framemariculture shipdynamic responsemechanical propertydisplacement |
| spellingShingle | Chaonan He Linqing Zhou Xinwei Ma Hydrodynamic Response of a Large-Scale Mariculture Ship Based on Potential Flow Theory Journal of Marine Science and Engineering rigid frame mariculture ship dynamic response mechanical property displacement |
| title | Hydrodynamic Response of a Large-Scale Mariculture Ship Based on Potential Flow Theory |
| title_full | Hydrodynamic Response of a Large-Scale Mariculture Ship Based on Potential Flow Theory |
| title_fullStr | Hydrodynamic Response of a Large-Scale Mariculture Ship Based on Potential Flow Theory |
| title_full_unstemmed | Hydrodynamic Response of a Large-Scale Mariculture Ship Based on Potential Flow Theory |
| title_short | Hydrodynamic Response of a Large-Scale Mariculture Ship Based on Potential Flow Theory |
| title_sort | hydrodynamic response of a large scale mariculture ship based on potential flow theory |
| topic | rigid frame mariculture ship dynamic response mechanical property displacement |
| url | https://www.mdpi.com/2077-1312/11/10/1995 |
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