[1]于存贵,卓艾宝,徐合刚.复合材料定向管刚度优化设计[J].南京理工大学学报(自然科学版),2012,36(06):0.
 YU Cun gui,ZHUO Ai bao,XU He gang.Optimum Design of Stiffness for Composite Materials Launching Guider[J].Journal of Nanjing University of Science and Technology,2012,36(06):0.
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复合材料定向管刚度优化设计
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
36卷
期数:
2012年06期
页码:
0
栏目:
出版日期:
2012-12-31

文章信息/Info

Title:
Optimum Design of Stiffness for Composite Materials Launching Guider
作者:
于存贵 1卓艾宝 2徐合刚 3
1.南京理工大学 机械工程学院,江苏 南京 210094;2.航天科工第九研究院,湖北 孝感 432000; 3.西安东仪海博机电科技有限责任公司,陕西 西安 710065
Author(s):
YU Cun gui 1ZHUO Ai bao 2XU Hegang 3
1.College of Mechanical Engineering,NUST,Nanjing 210094,China; 2.The Ninth Institute of China Aerospace Science and Technology Corporation,Xiaogan 432000,China; 3.Xi’an Dongyi Haibo Electromechanical Science and Technology Co.,Ltd.,Xi‘an 710065, China
关键词:
复合材料定向管刚度优化设计多岛遗传算法序列二次规划法
Keywords:
composite materialslaunching guidersstiffnessoptimum designmultiisland genetic algorithmsequential quadratic programming
分类号:
TJ713;TB332
摘要:
为了减小火箭发射时的起始扰动,该文对复合材料定向管的刚度进行了优化设计。建立了复合材料定向管的有限元参数化计算模型。采用多岛遗传算法和序列二次规划法相结合的优化策略。将复合材料定向管有限元参数化模态计算模型集成在多学科优化设计软件iSIGHT中,实现了优化流程自动进行。以定向管支撑约束位置为设计变量,以定向管基频最大值为目标函数,对定向管刚度进行了优化设计。计算结果表明:优化设计结果使复合材料定向管的一阶固有频率提高了29%,有效减小了火箭发射时定向管口的起始振动。
Abstract:
In order to decrease the initial disturbance of rocket launching,an optimum design of stiffness for composite materials launching guider is studied.A parameterized finite element model of composite materials launching guider is built.A synthetic optimization algorithm of multiisland genetic algorithm and sequential quadratic programming is adopted.The automatic optimization procedure is achieved by integrating the parameterized finite element modal analysis model of composite materials launching guider into iSIGHT,a multidisciplinary optimization design software.In the procedure of stiffness optimization,the supporting constraint location of launching guider is used as design variables and the fundamental frequency of launching guider as object function.The calculation results show that the first order natural frequency of the optimized composite materials launching guider increases 29%,reducing the initial vibration of launching guider muzzle effectively while rocket is launching.

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备注/Memo

备注/Memo:
收稿日期:2011-12-27修回日期:2012-11-22 作者简介:于存贵(1965-),男,博士,副教授,主要研究方向:兵器发射理论与技术、结构动力学及结构优化,Email:yu_cungui@sina.com。
更新日期/Last Update: 2012-12-29