OPTIMISATION OF HULL FORM OF OCEAN-GOING TRAWLER
This paper proposes a method for optimising the hull form of ocean-going trawlers to decrease resistance and consequently reduce the energy consumption. The entire optimisation process was managed by the integration of computer-aided design and computational fluid dynamics (CFD) in the CAESES softwa...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Faculty of Mechanical Engineering and Naval Architecture
2021-01-01
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| Series: | Brodogradnja |
| Subjects: | |
| Online Access: | https://hrcak.srce.hr/file/385692 |
| _version_ | 1811328285198516224 |
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| author | Cheng Zhao Wei Wang Panpan Jia Yonghe Xie |
| author_facet | Cheng Zhao Wei Wang Panpan Jia Yonghe Xie |
| author_sort | Cheng Zhao |
| collection | DOAJ |
| description | This paper proposes a method for optimising the hull form of ocean-going trawlers to decrease resistance and consequently reduce the energy consumption. The entire optimisation process was managed by the integration of computer-aided design and computational fluid dynamics (CFD) in the CAESES software. Resistance was simulated using the CFD solver and STAR-CCM+. The ocean-going trawler was investigated under two main navigation conditions: trawling and design. Under the trawling condition, the main hull of the trawler was modified using the Lackenby method and optimised by NSGA-II algorithm and Sobol + Tsearch algorithm. Under the design condition, the bulbous bow was changed using the free-form deformation method, and the trawler was optimised by NSGA-Ⅱ. The best hull form is obtained by comparing the ship resistance under various design schemes. Towing experiments were conducted to measure the navigation resistance of trawlers before and after optimisation, thus verifying the reliability of the optimisation results. The results show that the proposed optimisation method can effectively reduce the resistance of trawlers under the two navigation conditions. |
| first_indexed | 2024-04-13T15:23:37Z |
| format | Article |
| id | doaj.art-b504ea4acc754828b03603f1d44208b2 |
| institution | Directory Open Access Journal |
| issn | 0007-215X 1845-5859 |
| language | English |
| last_indexed | 2024-04-13T15:23:37Z |
| publishDate | 2021-01-01 |
| publisher | Faculty of Mechanical Engineering and Naval Architecture |
| record_format | Article |
| series | Brodogradnja |
| spelling | doaj.art-b504ea4acc754828b03603f1d44208b22022-12-22T02:41:35ZengFaculty of Mechanical Engineering and Naval ArchitectureBrodogradnja0007-215X1845-58592021-01-01724334610.21278/brod72403270OPTIMISATION OF HULL FORM OF OCEAN-GOING TRAWLERCheng Zhao0Wei Wang1Panpan Jia2Yonghe Xie3School of Naval Architecture and Maritime, Zhejiang Ocean UniversitySchool of Naval Architecture and Maritime, Zhejiang Ocean University; School of Naval Architecture Ocean and Civil Engineering, Shanghai Jiaotong University; Marine Design and Research Institute of ChinaSchool of Naval Architecture and Maritime, Zhejiang Ocean UniversitySchool of Naval Architecture and Maritime, Zhejiang Ocean UniversityThis paper proposes a method for optimising the hull form of ocean-going trawlers to decrease resistance and consequently reduce the energy consumption. The entire optimisation process was managed by the integration of computer-aided design and computational fluid dynamics (CFD) in the CAESES software. Resistance was simulated using the CFD solver and STAR-CCM+. The ocean-going trawler was investigated under two main navigation conditions: trawling and design. Under the trawling condition, the main hull of the trawler was modified using the Lackenby method and optimised by NSGA-II algorithm and Sobol + Tsearch algorithm. Under the design condition, the bulbous bow was changed using the free-form deformation method, and the trawler was optimised by NSGA-Ⅱ. The best hull form is obtained by comparing the ship resistance under various design schemes. Towing experiments were conducted to measure the navigation resistance of trawlers before and after optimisation, thus verifying the reliability of the optimisation results. The results show that the proposed optimisation method can effectively reduce the resistance of trawlers under the two navigation conditions.https://hrcak.srce.hr/file/385692ocean-going trawlersbd techniquelackenby methodffd methodtowing experiment |
| spellingShingle | Cheng Zhao Wei Wang Panpan Jia Yonghe Xie OPTIMISATION OF HULL FORM OF OCEAN-GOING TRAWLER Brodogradnja ocean-going trawler sbd technique lackenby method ffd method towing experiment |
| title | OPTIMISATION OF HULL FORM OF OCEAN-GOING TRAWLER |
| title_full | OPTIMISATION OF HULL FORM OF OCEAN-GOING TRAWLER |
| title_fullStr | OPTIMISATION OF HULL FORM OF OCEAN-GOING TRAWLER |
| title_full_unstemmed | OPTIMISATION OF HULL FORM OF OCEAN-GOING TRAWLER |
| title_short | OPTIMISATION OF HULL FORM OF OCEAN-GOING TRAWLER |
| title_sort | optimisation of hull form of ocean going trawler |
| topic | ocean-going trawler sbd technique lackenby method ffd method towing experiment |
| url | https://hrcak.srce.hr/file/385692 |
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