对包含中等尺寸的成组分布裂隙的岩体，采用岩体几何损伤本构模型，用监测位移反馈分析法同时辨识岩体弹性模量、地应力及损伤参数。
In this paper, for the joint rock mass with medial size and in-group crack, parameter identification of its geometrical damage model is studied by back analysis of in-situ measured displacement.
本文采用混合分析法进行空间组合结构施工阶段的几何非线性稳定计算。
The paper applies the mixed analysis to calculate the geometric nonlinear stability of space composite structures at construction stage.
利用并失分析法，对弹性体的应变、几何方程和主应变进行了全面研究。
The strain, geometric equation and principal strain of the elastic solid are all-sidedly studied by using the method of dyad analysis.
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