Based on the geometric non-linear analysis, the in-plane global stability of Space Lattice Tilted Column Frame of Triangle Section(SLTCF)is studied.
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。
2
Using the method of simulated shell, non-linear dynamic differential equation of three-dimensional single-layer shallow lattice shell with equilateral triangle mesh is established.
用拟壳法建立了正三角形网格的三向扁锥面单层网壳的非线性动力学微分方程。
3
By using the method simulated shells, the axisymmetrical non-linear dynamic equations of three-dimensional single-layer shallow conical lattice shells with equilateral triangle mesh are founded.