Crushing analysis and multi-objective optimization of bitubular hexagonal columns with ribs

来源 :Journal of Central South University | 被引量 : 0次 | 上传用户:yongtso88
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
In order to improve the crashworthiness of thin-walled columns, the energy absorption characteristics of three columns under quasi-static axial crushing loads were analyzed through LS-DYNA. Numerical results show that the energy absorption capability of t
其他文献
本文研究织机六连杆打纬机构计算机辅助设计方法以及该机构的动态模拟,并进行机构运动分析。
An improved ensemble empirical mode decomposition(EEMD) algorithm is described in this work, in which the sifting and ensemble number are self-adaptive. In part
期刊
In order to study the dynamic response of concrete-filled steel tube(CFST) columns against blast loads,a simplified model is established utilizing the equivalen
The displacement feedback with time delay considered is introduced in order to enhance the vibration isolation performance of a high-static-low-dynamic stiffnes
分析了知识经济时代传统分配理论的局限性,提出应建立以智力资本化为核心思想的新的分配机制,并探讨了一些智力资本化运作的问题。
凸轮侧面在凸轮机制的表演起一个重要作用。凸轮侧面图案的综合体和凸轮图案的动力学起初被学习。然后,凸轮侧面设计优化基于六份订单为古典花键和单个 DOF (自由的度) 建模单
The disc cutters of tunnel boring machine (TBM) are installed with different polar angles. This causes the cutting depth difference between adjacent disc cutter
本文介绍了电力系统中最感兴趣之一的电容器无功补偿问题,分析了装设不可调电容器组进行无功补偿存在的问题。说明了采用电容器组自动投切装置的重要意义。