Performance of ship resistance and other propulsion characteristics greatly depend on ships’ hull form. However, design considerations based on range of hull modifications can be practically limited by material and time resources, hence the need for computational optimization techniques based on Computational Fluid Dynamics (CFD). In this paper, hull form of a parent vessel: single screw supply vessel was screen designed and then sequentially optimized for total resistance and wave height through the application of CFD technique. The modelling was done using ANSYS®, CAESES® and NAVCAD® workbench. Input parameters included moulded beam, steepness of stem and length overall. These were the basis for parametric variations of hull forms during optimization. The optimization processes (based on turbulent flows) lasted for about two hours. A model of the optimized hull was built and tested in marine towing tank with appendages including propeller and rudder at respective model speeds in standard conditions. Towing tests showed that the optimized ship hull exhibited low resistance and decreased wave height in comparison with parent hull. The robustness of CFD technique particularly for stern to stem hull modification was further established.
| Published in | International Journal of Transportation Engineering and Technology (Volume 5, Issue 3) |
| DOI | 10.11648/j.ijtet.20190503.11 |
| Page(s) | 43-49 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2024. Published by Science Publishing Group |
Hull Form Optimization, Computational Fluid Dynamics, Total Resistance, Wave Height, Navier Stokes Equation
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APA Style
Donatus Eberechukwu Onwuegbuchunam, Favour Chimobi Ogbenna, Nnaemeka Charles Ezeanya, Kenneth Okechukwu Okeke. (2019). Ship Hull Form Optimization: A Computational Fluid Dynamics (CFD) Approach. International Journal of Transportation Engineering and Technology, 5(3), 43-49. https://doi.org/10.11648/j.ijtet.20190503.11
ACS Style
Donatus Eberechukwu Onwuegbuchunam; Favour Chimobi Ogbenna; Nnaemeka Charles Ezeanya; Kenneth Okechukwu Okeke. Ship Hull Form Optimization: A Computational Fluid Dynamics (CFD) Approach. Int. J. Transp. Eng. Technol. 2019, 5(3), 43-49. doi: 10.11648/j.ijtet.20190503.11
AMA Style
Donatus Eberechukwu Onwuegbuchunam, Favour Chimobi Ogbenna, Nnaemeka Charles Ezeanya, Kenneth Okechukwu Okeke. Ship Hull Form Optimization: A Computational Fluid Dynamics (CFD) Approach. Int J Transp Eng Technol. 2019;5(3):43-49. doi: 10.11648/j.ijtet.20190503.11
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Download@article{10.11648/j.ijtet.20190503.11,
author = {Donatus Eberechukwu Onwuegbuchunam and Favour Chimobi Ogbenna and Nnaemeka Charles Ezeanya and Kenneth Okechukwu Okeke},
title = {Ship Hull Form Optimization: A Computational Fluid Dynamics (CFD) Approach},
journal = {International Journal of Transportation Engineering and Technology},
volume = {5},
number = {3},
pages = {43-49},
doi = {10.11648/j.ijtet.20190503.11},
url = {https://doi.org/10.11648/j.ijtet.20190503.11},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijtet.20190503.11},
abstract = {Performance of ship resistance and other propulsion characteristics greatly depend on ships’ hull form. However, design considerations based on range of hull modifications can be practically limited by material and time resources, hence the need for computational optimization techniques based on Computational Fluid Dynamics (CFD). In this paper, hull form of a parent vessel: single screw supply vessel was screen designed and then sequentially optimized for total resistance and wave height through the application of CFD technique. The modelling was done using ANSYS®, CAESES® and NAVCAD® workbench. Input parameters included moulded beam, steepness of stem and length overall. These were the basis for parametric variations of hull forms during optimization. The optimization processes (based on turbulent flows) lasted for about two hours. A model of the optimized hull was built and tested in marine towing tank with appendages including propeller and rudder at respective model speeds in standard conditions. Towing tests showed that the optimized ship hull exhibited low resistance and decreased wave height in comparison with parent hull. The robustness of CFD technique particularly for stern to stem hull modification was further established.},
year = {2019}
}
TY - JOUR T1 - Ship Hull Form Optimization: A Computational Fluid Dynamics (CFD) Approach AU - Donatus Eberechukwu Onwuegbuchunam AU - Favour Chimobi Ogbenna AU - Nnaemeka Charles Ezeanya AU - Kenneth Okechukwu Okeke Y1 - 2019/10/15 PY - 2019 N1 - https://doi.org/10.11648/j.ijtet.20190503.11 DO - 10.11648/j.ijtet.20190503.11 T2 - International Journal of Transportation Engineering and Technology JF - International Journal of Transportation Engineering and Technology JO - International Journal of Transportation Engineering and Technology SP - 43 EP - 49 PB - Science Publishing Group SN - 2575-1751 UR - https://doi.org/10.11648/j.ijtet.20190503.11 AB - Performance of ship resistance and other propulsion characteristics greatly depend on ships’ hull form. However, design considerations based on range of hull modifications can be practically limited by material and time resources, hence the need for computational optimization techniques based on Computational Fluid Dynamics (CFD). In this paper, hull form of a parent vessel: single screw supply vessel was screen designed and then sequentially optimized for total resistance and wave height through the application of CFD technique. The modelling was done using ANSYS®, CAESES® and NAVCAD® workbench. Input parameters included moulded beam, steepness of stem and length overall. These were the basis for parametric variations of hull forms during optimization. The optimization processes (based on turbulent flows) lasted for about two hours. A model of the optimized hull was built and tested in marine towing tank with appendages including propeller and rudder at respective model speeds in standard conditions. Towing tests showed that the optimized ship hull exhibited low resistance and decreased wave height in comparison with parent hull. The robustness of CFD technique particularly for stern to stem hull modification was further established. VL - 5 IS - 3 ER -
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