In this paper, the geometric nonlinearity problem is analyzed based on the second beam theory, and a theoretical solution is proposed, whose accuracy is verified by FEM numerical simulation.
本文基于二次梁理论给出了该几何非线性问题的理论解，其正确性通过有限元的数值计算结果得到验证。
In addition, the effects of geometric nonlinearity and the static wind load nonlinearity of long-span Bridges under strong wind load shouldn't be neglected.
另外，在强静风荷载作用下，大跨度桥梁的几何非线性、静风荷载非线性的影响均不容忽视。
Seismic response of chimneys to combined horizontal and vertical ground motion is analysed in this paper. The effect of the geometric nonlinearity including vertical ground motion is considered.
本文对烟囱在水平与竖向地震动分量联合作用下的反应进行了分析，分析中考虑了包含竖向地震动的几何非线性的影响。
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