介绍了在厚覆盖岩层条件下，确定地下采矿引起地表变形特征的三维有限元弹塑性计算分析工作。
The analysis of 3D elasto-plastic FEM is introduced for calculating the deformation of the ground surface caused by underground mining under thick rock overburden.
以一高层连体结构为例，采用不同计算模型的有限元计算分析程序，对该结构进行详细的弹性及弹塑性计算分析。
By using the different calculation models of SATWE and ETABS of finite element, the elastic and plastic properties of the high-rise connected structure are analyzed and calculated in details.
求解过程中的介质振动，是一种噪音，可引起弹塑性介质计算结果误差，而弹性介质的计算结果几乎不受影响。
The medium vibration during solving process is a noise rather than a more real simulation to medium mechanical behavior and could cause calculation error for elastoplastic medium.
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