Crashworthiness Optimization of a Civil Airplane Sub-floor Structure

来源 :国际设备工程与管理:英文版 | 被引量 : 0次 | 上传用户:CoolSky_BO
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
借助于控制变丑模式并且减少接触僵硬,一架民用的飞机的底层地板精力吸收结构被设计。改进结构的精力吸收特征,结构的有限元素模型被造,十个设计变量是 choosen,基于直角的试验性的设计;样品点的四典型结构的影响回答被数字分析获得。根据 F-test,有高意义水平的设计变量作为优化的被选择。优化底层地板结构被使用反应表面模型获得。分析结果证明与引用结构相比,第一达到顶点优化底层地板结构的结构的僵硬加速的价值在 23 减少。13% ,在 49 的第二山峰价值还原剂。86% ,在 43.71% 的平均价值还原剂,
其他文献
In order to achieve attitude control of the six degrees of freedom steward dynamic platform,as well as the real time simulation cockpit attitude,Washout Filteri
As is known,widespread fatigue damage ( WFD) is a common phenomenon of aging aircraft being a negative impact on safety and reliability. The current FAR 25. 571
Smart home gateway is the information exchange hub between the family network and external network which can accept signals from different external communicatio
This work aims to investigate the manufacturing equipment support model for the purpose of improving the efficiency and quality of manufacturing. First,the conc
In this paper, the recent achievements in the advanced manufacturing technology are presented. The laser forming of sheet metals, rapid forming, precision casti
Fatigue driving is one of the important reasons of road traffic accidents,fatigue driving is refers to the driver in a long time continuous driving or physical
Information technology capabilities and the associated theory of sustainable competitive advantages of enterprises have been studied, respectively. From the res
Folding crane is a kind of commonly used small crane,because of its unique use of convenience,low cost,then folding crane structure research is particularly imp
To improve the enterprise resource utilization and shorten the cycle of the whole project portfolio,a scheduling model based on Design Structure Matrix ( DSM) i
The reliability of the equipment is very important for the large petrochemical industry,especially for oil pump as the core component of driving equipment. In o