With a door rigid frame as example, the influence is analyzed of elasticity, plasticity and different initial bending on stability of the frame respectively.
文中采用门式刚架作为算例，分别研究了弹性、塑性及不同初始挠曲对其稳定性的影响。
The method and process to back analyze the above initial geostress in linear elasticity material with finite element method is discussed, followed by an example.
讨论了在线弹性介质中，通过有限元计算求解这种地应力的方法、过程，并给出算例。
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