摘要
由二阶理论建立了梁杆结构分析的精确几何非线性有限元增量平衡方程 ,并利用精确有限元方法对一些典型结构进行了稳定性分析。基于梁杆结构的稳定性分析提出了结构稳定优化的概念。对一些典型受力结构的分析表明 :通过对梁杆结构的稳定性分析进行优化设计是可行的 。
Accurate geometry!non linear finite element increment equilibrium equation is set up by two orders theory.Typical structure stability is analyzed with this accurate finite element method.A concept of structure stability optimization is described on the basis of beam member structure stability analysis.Analysis of typical structure loaded by forces showes that it is feasible to use optimum design through stability analysis for beam member structure.It will be of great application value and has wide study prospect
出处
《建筑机械》
北大核心
2001年第9期68-71,共4页
Construction Machinery
关键词
梁杆结构
有限元方法
稳定性
优化设计
beam member
structure
accuracy
finite element method
stability
optimization
