• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文会议>Third International Conference on Coupled Instabilities in Metal Structures CIMS'2000, 3rd, Sep 21-23, 2000, Lisbon-Portugal >DYNAMIC PROPAGATION OF LOCAL INSTABILITY FOR SINGLE LAYER RETICULATED DOMES
【24h】

DYNAMIC PROPAGATION OF LOCAL INSTABILITY FOR SINGLE LAYER RETICULATED DOMES

机译：单层网状圆顶的局部不稳定性的动态传播

获取原文
获取原文并翻译 | 示例
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The paper studies the appearance of the local buckling phenomenon due to a geometrical imperfection or a non-uniform loading scheme, under static loads, for single layer reticulated shells. The local buckling phenomenon in study is a node instability, in the shape of a "snap-through". In order that the node instability to remain a local phenomenon, the equilibrium position of the structure after the static jump, due to the "snap-through", has to be stable. In this paper this position was disturbed and it was studied the response of the structure. It was possible to demonstrate that if it is taken into account the dynamic effect of the loads, in general the local buckling phenomenon propagates into a general instability, so that finally the analysed domes have changed their curvatures. The software used for all this numerical simulations was ANSYS 5.3.
机译：本文研究了单层网状壳在静态载荷下由于几何缺陷或非均匀载荷方案而引起的局部屈曲现象。研究中的局部屈曲现象是节点不稳定性，呈“直通”形式。为了使节点的不稳定性保持局部现象，静态跳变之后的结构的平衡位置由于“突跳”而必须稳定。在本文中，该位置受到干扰，并研究了结构的响应。有可能证明，如果考虑到载荷的动态影响，通常，局部屈曲现象会传播到总体不稳定性中，从而最终使所分析的穹顶改变了其曲率。用于所有这些数值模拟的软件是ANSYS 5.3。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号