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最优船体货舱区分段环焊缝位置的确定
引用本文:刘建峰,李湘,秦士元.最优船体货舱区分段环焊缝位置的确定[J].上海交通大学学报,2001,35(4):532-536.
作者姓名:刘建峰  李湘  秦士元
作者单位:1. 上海交通大学船舶与海洋工程学院,
2. 上海沪东造船集团,
摘    要:分析了船体分段划分的原则,提出为解决本课题而改进的遗传算法,设计出确定货舱区分段位置的计算模型,并建立了模糊目标函数,应用非均匀B样条曲线拟合船体型线,为此迅速得到货舱区分段船体外板的近似实长,以散货船为例进行试算,与船厂实际分段环焊缝位置进行了比较,结果表明,钢板浪费减小,在货舱区域中钢板利用率提高。

关 键 词:船体分段划分  非均匀B样条  生产设计  货舱区分段位置  船舶建造  焊缝位置  分段划分原则
文章编号:1006-2467(2001)04-0532-05
修稿时间:2000年5月18日

Determination of Welding Encircling Lines in Ship Hold Zone
LIU Jian-feng,LI Xiang,QIN Shi-yuan.Determination of Welding Encircling Lines in Ship Hold Zone[J].Journal of Shanghai Jiaotong University,2001,35(4):532-536.
Authors:LIU Jian-feng  LI Xiang  QIN Shi-yuan
Institution:LIU Jian feng 1,LI Xiang 2,QIN Shi yuan 1
Abstract:The principles of block definition were studied. A genetic algorithm was presented to optimize the object. A calculating model, which determines on welding encircling lines in ship hold zone, was designed and a fuzz object function was built. Approximately real length of block shell plate can be rapidly resolved out by application of NUBLine to fit ship lines. For example, through calculation of the 74500B/C, the result is compared to the welding encircling lines in ship hold zone of shipyard data. The result shows that the waste plate diminishes and the plate usage rises in cargo hold.
Keywords:hull blocks definition  non  uniform B  spline  shell expansion  production design
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