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单层球面网壳的优化分析
引用本文:刘宗发,李正良,晏致涛.单层球面网壳的优化分析[J].土木建筑与环境工程,2005,27(1):67-70.
作者姓名:刘宗发  李正良  晏致涛
作者单位:重庆大学,土木工程学院,重庆,400045;重庆大学,土木工程学院,重庆,400045;重庆大学,土木工程学院,重庆,400045
摘    要:应用ANSYS软件优化模块,以自重最轻为目标函数,以强度、稳定性等为约束条件,并考虑了结构几何非线性的影响,对凯威特型单层球面网壳进行优化分析。然后对优化所得的网壳作了稳定性全过程分析,从而验证优化设计是可靠的。

关 键 词:单层网壳  优化设计  几何非线性  稳定性分析
修稿时间:2004/9/28 0:00:00

Optimization Analysis of Single-layer Reticulated Dome
LIU Zong-f,LI Zheng-liang,YAN Zhi-tao.Optimization Analysis of Single-layer Reticulated Dome[J].土木建筑与环境工程,2005,27(1):67-70.
Authors:LIU Zong-f  LI Zheng-liang  YAN Zhi-tao
Abstract:A structural optimization algorithm is performed for single-layer Kiewit reticulated dome by means of ANASYS. In the process of optimum design, the overall weight is taken as objective function; the stress constraints and stability constraints etc are considered. Meanwhile, the geometrical non-linearity is taken into account. Then the overall stability analysis for the optimized single-layer reticulated dome is operated. The results show that the optimization design is reliable.
Keywords:single-layer reticulated domes  optimization design  geometrical non-linearity  stability analysis
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