Research on the optimization of a bulk carrier based on the modified function method
英文摘要：With the improvement of green energy saving requirements, new requirements have been put forward for the quality and design cycle of ship optimization work. Aiming at the time-consuming and low efficiency characteristics of traditional hull form optimization methods in the hull deformation stage, an automatic deformation program was developed based on the modified function method. Using this program, the automatic deformation of the hull lines of the 210 000DWT bulk carrier was realized. Combining the experience of CFD, carry out line optimization of the bow and stern, and analyze the CFD results of each hull form in the optimization process, and finally obtain the optimized hull form with the best overall performance. In addition, the final optimized hull form was verified by a towing tank model test. The test results showed that the power received by the propeller of the optimized ship was about 3% lower than that of the initial ship. This method has successfully realized the rapid deformation of the hull lines. Compared with the traditional manual modification of the hull form, it saves a lot of time, can obtain a larger number of hull form schemes, and improves the optimization efficiency of the hull form while meeting the performance index requirements.
2022,44(10): 6-9 收稿日期：2021-08-08
DOI：10.3404/j.issn.1672-7649.2022.10.002
分类号：U662.2
作者简介：沈冠之(1993-)，男，硕士，工程师，研究方向为流体力学
参考文献：
[1] 丁惊雷, 吴思莹. 双燃料应用对大型油船总体设计的影响[J]. 船舶工程, 2021, 43(5): 39–43
[2] CAMPANA E F, PERI D, TAHARA Y, et al. Numerical optimization methods for ship hydrodynamic design[J]. Transactions-Society of Naval Architects and Marine Engineers, 2010, 118: 1-42.
[3] 万德成, 缪爱琴, 赵敏. 基于水动力性能优化的船型设计研究进展[J]. 水动力学研究与进展, 2019, 34(6): 693–712
[4] 陈京普, 朱德祥, 何术龙, 等. 一种快速评估方法在船舶线型优化中的应用研究[J]. 中国造船, 2009, 50(4): 7–12
[5] 陈京普, 朱德祥, 黄少锋. 基于兴波数值模拟的 RANS 求解器加速方法研究[J]. 船舶力学, 2011, 15(Z1): 25–31
[6] CHEN Jing-pu, WEI Jin-fang, JIANG Wu-jie. Optimization of a twin-skeg container vessel by parametric design and CFD simulations[J]. International Journal of Naval Architecture and Ocean Engineering, 2016, 8(5): 466–474
[7] 李胜忠, 徐伟光, 梁川, 等. 船舶规则波中阻力与运动响应多目标优化设计研究[C]//2019年中国造船工程字会优秀学术论文集, 2020: 218-226.
[8] 赵无忧, 郭啸轩. 基于CFD的散货船船体型线自动优化[J]. 江苏船舶, 2019, 36(4): 8–11
[9] 冯君, 胡世亮, 魏锦芳. 基于修正函数方法的船体线型变形技术研究[C]//第二十九届全国水动力学研讨会论文集（下册）, 2018: 449-456.
[10] LARSSON L. CFD in ship design-prospects and limitati-onsl[J]. Ship Technology Research, 1997, 44: 1–30
[11] 杨佑宗, 杨奕, 陈文炜, 等. 船舶线型设计与研究[J]. 上海造船, 2001(2): 18–23+2