为实现舰船轻量化设计，且具备更优良的力学性能，采用钢聚氨酯夹层板（Steel-Polyurethane Sandwich plate，SPS）结构替代传统钢制加筋板，形成新型烟囱结构设计方案，并基于Box-Behnken响应面法开展SPS烟囱结构的优化。以烟囱结构位移和等效应力作为优化目标，结构尺寸和总重量为约束条件，建立优化模型，得到优化后的SPS烟囱结构设计方案，并采用有限元法，对优化前后的方案进行仿真计算；对优化目标进行分析对比，验证了优化结果的有效性和准确性。结果表明，优化后适用的SPS烟囱结构，在减重13.16%的情况下，位移减小19.50%，应力降低31.96%，说明采用响应面法对SPS烟囱实现多目标优化可行，且优化效果明显。
In order to realize the lightweight design of the ship and have better mechanical properties, a steel-polyurethane sandwich plate (SPS) structure are used instead of the traditional steel stiffened plate to form a new chimney structure design scheme, and based on Box -Behnken response surface method for optimization of SPS chimney structure. Taking the displacement and equivalent stress of the chimney structure as the optimization target, the structure size and the total weight as the constraint conditions, an optimization model was established, and the optimized SPS chimney structure design plan was obtained; and the finite element method are used to simulate the calculation before and after the optimization. The comparison and analysis of the optimization goals verify the validity and accuracy of the optimization results. The results show that the optimized SPS chimney structure has a displacement reduction of 19.50 % and a stress reduction of 31.96% with a weight reduction of 13.16%, which indicates that it is feasible to achieve multi-objective optimization of the SPS chimney by response surface method, and the optimization effect is obvious.
2021,43(9): 37-43 收稿日期：2020-05-13
DOI：10.3404/j.issn.1672-7649.2021.09.007
分类号：U663
基金项目：国家自然科学基金资助项目(51109101，51509115)；高技术船舶科研项目(K24367)
作者简介：马清勇(1992-)，男，硕士研究生，主要从事船舶结构力学性能研究
参考文献：
[1] 尚高峰. 轻量化船舶结构极限强度研究[D]. 北京：中国舰船研究院, 2011.
SHANG Gaofeng. Research on ultimate strength of lightweight ship structure[D]. Beijing: China Ship Research Institute, 2011.
[2] 鲍诺, 王春洁. 基于响应面法的结构动力学模型修正[J]. 振动与冲击, 2013, 32(16): 54–58
BAO Nuo, WANG Chun jie. Model updating of structure dynamics based on response surface methodology[J]. Vibration and Shock, 2013, 32(16): 54–58
[3] 郑彬, 张敬东. 基于响应面法的龙门加工中心回转工作台结构优化设计[J]. 机械强度, 2018, 40(5): 1131–1137
ZHENG Bin, ZHANG Jingdong. Structure optimization design for the rotary worktable of gantry machining center based on response surface methodology[J]. Mechanical Strength, 2018, 40(5): 1131–1137
[4] 王萌, 张合, 王晓锋. 响应面法复合车身结构优化[J]. 南京理工大学学报, 2017, 41(2): 145–151
WANG Meng, ZHANG He, WANG Xiao feng. Composite body structure optimization based on response surface approximation method[J]. Journal of Nanjing University of Science and Technology, 2017, 41(2): 145–151
[5] 汤晶, 王博, 罗瑞锋. 自升式平台风载荷规范计算方法分析研究[J]. 船舶工程, 2016, 38(S1): 35–38
TANG Jing, WANG Bo, LUO Rui feng. Analysis and research on the calculation method of wind load specification for jack-up platform[J]. Ship Engineering, 2016, 38(S1): 35–38
[6] 李莉, 张赛, 何强, 等. 响应面法在试验设计与优化中的应用[J]. 实验室研究与探索, 2015, 34(8): 41–45
LI Li, ZHANG Sai, HE Qiang, et al. Application of response surface methodology in experiment design and optimization[J]. Research and Exploration in Laboratory, 2015, 34(8): 41–45
[7] 余跃. 大变形结构耐撞性分析优化及应用技术研究[D]. 杭州：浙江大学, 2017.
YU Yue. Research on optimization and application technology of crashworthiness of large deformation structures[D]. Hangzhou: Zhejiang University, 2017.
[8] 黄重阳. 基于响应面法的散货船结构优化设计[D]. 大连：大连理工大学, 2011.
HUANG Chongyang. Optimization design of bulk carrier structure based on response surface method[D]. Dalian: Dalian University of Technology, 2011.
[9] 王果, 何沁园. 折叠式夹层板面内连接结构优化设计方法研究[J]. 舰船科学技术, 2019, 41(21): 27–36
WANG Guo, HE Qin yuan. Research on the optimal design method of the internal connection structure of the folded sandwich panel[J]. Ship Science and Technology, 2019, 41(21): 27–36
