您要查找的是不是：
- 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。
- Based on FEM, MUFEM combines the main advantages of DDM (Domain Decomposition Method) and DDA (Discontinuous Deformation Analyses). MUFEM以有限元方法为基础，综合区域分解法（DDM）和非连续体变形分析方法（DDA）的主要优点。
- Among all the numerical analysis methods, the Discontinuous Deformation Analysis (DDA) method is an efficient method with high accuracy. 在解决岩土工程非连续变形问题的数值方法中，非连续变形分析方法（DDA）无疑是一种高效、精确的算法。
- The advantages and disadvantages of these methods for analyzing discontinuous deformation of jointed rocks are discussed. 讨论了这些方法用于节理岩体不连续变形分析时的各自优势和不足。
- A numerical method born with ability in dealing with continuous deformationproblems, discontinuous deformation problems and crack propagation problems seems to bea blue moon. 另一方面则是以非连续变形分析（DDA）与离散单元法（DEM）为代表的基于块体理论、离散介质假说基础之上的完全非连续性分析方法。
- On the other hand, there are discontinuous deformation analysis methods such as DDA and DEM, which are on the basis of the blocky theory and the assumption of discrete media. 另一方面则是以非连续变形分析(DDA)与离散单元法(DEM)为代表的基于块体理论、离散介质假说的完全非连续性分析方法。
- Discontinuous deformation analysis (DDA) method is a newly developed numerical method that can be used to perform deformation analysis of jointed rock mass. 非连续变形分析方法(DDA)是近年来发展起来用于分析裂隙岩体的一种较好的数值计算，其以新颖的思想、先进的数值技术，得到了学术界的认可和广泛关注。
- Li Yong of Dalian University of Technology advance discontinuous deformation computational mechanics model to solve the problem of discontinuity in geo-materials. 针对岩土工程中的非连续性问题，大连理工大学栾茂田教授与黎勇博士提出了非连续变形计算力学模型。
- Based on the discontinuous deformation analysis(DDA),the stability of the high rock slope behind the power house of Jiudianxia hydroelectric station was studied. 应用非连续变形分析(DDA)对九甸峡水电站厂房高岩体高边坡进行了稳定性分析研究,建立了DDA块体系统分析模型。
- The simplex integration formula presented by Genhua Shi gives analytical solution and is widely used in the discontinuous deformation analysis and the numerical manifold method. 石根华提出的单纯形积分是一种精确积分,被广泛应用于非连续变形分析和数值流形法中。
- 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. 主要研究了基于有向图理论的流形元系统节点编码的优化、对应稀疏矩阵的压缩存储与流形元总体控制方程的动态连通性分析、分片直接求解法及流形元接触的开一合迭代方法，并开发了对应的e++类(elass Solver)。
- Based on the general principle of DDA,discontinuous deformation analysis,and the engineering geologic characteristics of Xintan landslide,the numerical simulation is carried out by DDA on the movementprocess of Xintan landslide. 简要介绍了非连续变形分析的基本原理,分析了新滩滑坡的工程地质特征和发展变化特征,并用非连续变形分析的方法对该滑坡运动的全过程进行了数值模拟,明确了其时空变化规律。
- In this paper, using discontinuous deformation analysis, we simulate numerically the processes of the 1975 Haicheng earthquake and the 1999 Xiuyan earthquake in the tectonic environment of North China where blocks restrict each other by DDA+FEM. 用非连续变形分析方法(DDA+FEM); 数值模拟了华北地区各地块相互制约构造环境中发生的1975年海城地震及1999年岫岩地震的过程.
- In this paper,Discontinuous Deformation Analysis(DDA) method is applied to study the gradual failure and the movement process of mine slope,it is obvious that DDA is a valuable method to study the stability of mine slope. 用不连续变形分析（DDA）方法探讨了矿山边坡的渐进性破坏和运动的动态过程，认为DDA方法是研究边坡稳定性的很有价值的数值方法。
- Some numerical methods such as Finite Element Method(FEM) for plane linkage,Discrete Element Method (DEM),Manifold Method (MM) and Discontinuous Deformation Analysis (DDA) were introduced. 介绍了平面杆系有限元法、离散元法、数值流形法和不连续变形分析等几种数值分析方法。
- The discontinuous deformation analysis method(DDA) was employed to numerically simulate the stress distribution and deformation of rock strata during the excavation in a coal mine. 应用DDA数值方法模拟分析了深部煤矿开采中上覆岩层的应力场变化和变形移动规律,并与相似物理模型试验进行了对比。
- discontinuous deformation analysis 非连续变形分析
- spherical discontinuous deformation analysis 球面非连续变形分析
- discontinuous deformation analysis(DDA) 非连续变形分析
- Discontinuous deformation analysis (DDA) 非连续变形分析方法
