| 基于Isight/Nastran的车渡船跳板结构优化设计 |
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| 引用本文： | 郑锡超,尹群,陈国祥,张健.基于Isight/Nastran的车渡船跳板结构优化设计[J].舰船科学技术,2011,33(9). |
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| 作者姓名： | 郑锡超 尹群 陈国祥 张健 |
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| 作者单位： | 1. 江苏科技大学船舶与海洋工程学院,江苏镇江,212003
2. 泰州市祥峰船舶技术咨询有限公司,江苏泰州,214500 |
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| 摘 要： | 采用Patran/Nastran对车渡船跳板结构进行强度分析,在此基础上,集成Isight/Nastran对车渡船跳板结构进行优化设计。以结构质量为目标,跳板面板相当应力、跳板骨材合成应力及跳板结构位移为约束条件,重点考虑跳板面板厚度、跳板普通横梁以及跳板纵桁和强横梁的截面尺寸。最后,采用Isight中自带的多岛遗传算法(MIGA)对某渡船跳板结构进行优化,使得该跳板在最大等效应力不超过许用值的同时总质量达到最小。优化后跳板结构质量为7 368 kg,比之前的质量9 477 kg减少了22.25%,优化效果明显,且满足强度和刚度要求。
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| 关 键 词： | Isight/Nastran 跳板结构 优化设计 面板厚度 截面尺寸 |
Structure optimization of car ferry springboard based on Isight/Nastran |
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| ZHENG Xi-chao,YIN Qun,CHEN Guo-xiang,ZHANG Jian.Structure optimization of car ferry springboard based on Isight/Nastran[J].Ship Science and Technology,2011,33(9). |
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| Authors: | ZHENG Xi-chao YIN Qun CHEN Guo-xiang ZHANG Jian |
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| Institution: | ZHENG Xi-chao1,YIN Qun1,CHEN Guo-xiang2,ZHANG Jian1(1.School of Naval Architecture and Ocean Engineering,Jiangsu University of Science and Technology,Zhenjiang 212003,China,2.Xiang Feng Ship Techndogy Consulting Co.,Taizhou 214500,China) |
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| Abstract: | Structural strength is analysed based on Patran/Nastran,on this basis,optimization is utilized for car ferry structure design through integrating Isight and Nastran in the condition of strength request for car ferry springboard.The web thickness and the section dimension of margin bar for the longitudinal wing bar are considered chiefly in the structure optimization design with the mass of structure taken as objective function and stress considered as constraint.Finally,optimization is utilized for car ferr... |
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| Keywords: | Isight/Nastran springboard optimization design faceplate thickness sectional dimension |
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