Study of calculation method for discontinuous surface deformation induced by steeply - inclined seam mining 急倾斜煤层开采地表非连续变形计算方法研究
Discontinuous deformation analysis and its application to the deformation forecast of dangerous lianziya cliff 非连续变形分析方法在链子崖危岩体变形预测中的应用
Discontinuous deformation computational mechanics model and its application in stability analysis of rock slope 非连续变形计算力学模型在岩体边坡稳定性分析中的应用
Three - dimensional discontinuous deformation analysis on surfaces of rock blocks with general model of water pressure distribution 块状结构岩体在一般水压分布模式下的不连续变形分析
In this paper , on the basis of several discontinuous deformation analysis methods , dda ( discontinuous deformation analysis ) method was researched mainly 本文在对各种非连续变形分析方法进行比较性介绍的基础上，选择其中的dda方法进行了着重研究。
In this paper , the application of discontinuous deformation analysis ( dda ) method to the dynamic stability of a rock slope is discussed with a practical engineering example 摘要基于块体系统非连续变形分析计算模型，结合工程实例分析岩质边坡块体的动态稳定性。
This paper , for the first time , adopts the discontinuous deformation analysis ( dda ) to model respectively the structural patterns , forms , displacement and key stratum ( dynamic modeling ) for arches with three - grips and grip beams in excavated rockmass , and some significant conclusions are drawn out 首次采用非连续变形分析( dda )法，对采动岩体结构中的“三咬拱”结构模式、形态、位移与关键层等进行动态模拟，得出一些有意义的结论。
Traditional finite element method ' s mesh can be used as the mathematic mesh for the nmm . and nmm is a promising numerical method to solve both the continuous and discontinuous deformation problem of rock mass and to unify the finite element method ( fem ) , discontinuous deformation analysis ( dda ) and analytic method 流形元法的最大优点可以统一处理连续变形与非连续变形问题，同时可以统一解决有限元法、非连续变形分析及解析法的计算问题，具有广泛的应用前景。
Firstly , from the early joint element method , discrete element method , fast lagrangian analysis of continua and block element method to recent numerical manifold method , all these numerical analysis methods were instructed , and their advantages and disadvantage were pointed out . then the theoretical origin of the dda method was discussed from the aspects of mechanic theory and energy theory 本文首先就处理非连续变形问题的各种数值分析方法进行了较全面的描述，从早期的节理单元法、离散单元法、快速拉格朗日法、块体单元法到近期的流形单元法，并分别指出这些数值模拟方法在处理岩体工程实际问题方面各自的优缺点。
The crystal structure of the martensite as quenching state , the variation of the structure of the martensite during non - isothermal aging in the martensite and parent state , under successive deformation condition and under thermal cycling condition in the cu - based shape memory alloys are studied by the x - ray diffraction 摘要运用x -射线衍射分析技术研究了不同成分铜基形状记忆合金淬火态马氏体结构、马氏体状态非等温时效过程中结构的变化规律、母相状态时效和连续变形过程中马氏体及母相结构的变化规律以及热循环过程中马氏体结构的变化情况。
