以下为句子列表：
英文: Abstract: Based on the result of visioplasticity test,the law of tube central upsetting was created,and the calculated method of displacement field and strain field were obtained.In this study,the four deformation modes were showed when ratio λ of height
中文: 文摘:根据管坯视塑性实验法的实验结果，分析了无芯轴支撑条件下，管坯中部镦锻的变形规律，阐述了变形区位移场、应变场的计算方法；通过对实验结果的分析，得出了当镦粗比λ＞3，管坯中部镦锻时，内壁呈现四种典型的变形模式；论述了分流面的分布与四种变形模式之间的转化关系。
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英文: Abstract: In this paper, the authors analyse the formation mechanism of Yankou landslide by studying its engineering geological environmental conditions and developing character, perform simulation analysis on the stress field, displacement field and disp
中文: 文摘:通过对岩口滑坡工程地质环境条件及滑坡发育特征研究，分析滑坡的形成机制，并用拉格郎日差分法对斜坡变形破坏的应力场、位移场及位移速度特征进行模拟分析，从而验证滑坡形成机制的正确性，并在此基础上进行稳定性计算与评价。
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英文: Based on the characteristic of the grotto rock reinforced by prestress anchor cable, taking three typical engineering sections in Yulin grotto in Anxi county Gansu province, as examples, the simultating computation for the displacement field and stress fi
中文: 摘要根据锚索加固石窟岩体的特点，以甘肃安西榆林石窟的三个典型的工程段为例，通过动力有限元的方法对地震荷载作用下预应力锚索加固石窟岩体的位移场、应力场的模拟计算，得出了其动态响应和变化规律。
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英文: The development of shear band was researched by analyzing the confining pressure-time history, volumetric curve and displacement field of PFC model.
中文: 通过分析围压－时步曲线、体变曲线和不同阶段的颗粒位移场的变化规律，研究了剪切带的形成与发展规律。
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英文: The results indicate that the stability for bifurcation point equilibrium configuration and post-buckling equilibrium path of roof strata can be revealed and an effective method for determining displacement field of imperfection structure can be provided
中文: 应用初始后屈曲理论可揭示浅埋煤层长壁开采顶板岩层的分叉点平衡构形及后屈曲平衡路径的稳定性，是确定非完善结构位移场的一种有效方法。
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