大跨网壳结构具有高度的几何非线性，结构设计一般由整体稳定性控制。
The structural design of large-span latticed shell is controlled by global stability due to the geometric nonlinear property.
从结构的几何非线性分析着手，研究截面为三角形的空间格构式斜腿刚架的平面内整体稳定。
Based on the geometric non-linear analysis, the in-plane global stability of Space Lattice Tilted Column Frame of Triangle Section(SLTCF)is studied.
应用非线性有限元程序对单层椭圆旋转壳进行了整体稳定分析，并介绍了网壳的节点设计情况。
With the nonlinear finite element program, the whole stability of the single-layer elliptic rotary shell is analyzed; and the joint design of the reticulated shell is introduced.
本文应用非线性有限元法，对考虑初始缺陷的扭壳、扭网壳进行整体稳定分析，获得了临界状态时的失稳模态和临界荷载。
In this paper, the nonlinear FEM is used to analyze the general stability of torsional shell and torsional reticulated shell with original imperfections.
钢屋盖整体稳定包括两个层次：屋盖体系的几何非线性分析与单根主梁的双非线性分析。
The global stability analysis includes two parts: the whole roof's geometric nonlinear analysis and a single main beam's geometric and material nonlinear analysis.
钢屋盖整体稳定包括两个层次：屋盖体系的几何非线性分析与单根主梁的双非线性分析。
The global stability analysis includes two parts: the whole roof's geometric nonlinear analysis and a single main beam's geometric and material nonlinear analysis.
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