提出一种用非连续变形分析方法模拟岩石裂纹扩展的方法。
An approach for modeling rock crack propagation using discontinuous deformation analysis (DDA) method is presented.
用非连续变形分析方法研究岩体的非连续特性才能得到微观的具体反映。
Only if the method of discontinuous deformation analysis (DDA) is used, the discontinuity nature of rock mass can be concretely displayed.
本文用块体系统非连续变形分析(DDA)方法，对岩石滑坡体进行动态稳定分析。
This paper USES Discontinuous Deformation Analysis (DDA) to analyse the dynamic stability of a rock slope slide.
摘要：提出了三维非连续变形分析方法中锚杆的简化模型，给出了相应的算法和公式。
Abstract Based on three-dimensional DDA method, a simple three-dimension model was proposed to analyze rockbolting and the corresponding algorithm and formulas were given.
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, on the basis of several discontinuous deformation analysis methods, DDA (discontinuous deformation analysis) method was researched mainly.
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。
Among all the numerical analysis methods, the Discontinuous Deformation analysis (DDA) method is an efficient method with high accuracy.
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。
Based on the discontinuous deformation analysis (DDA), the stability of the high rock slope behind the power house of Jiudianxia hydroelectric station was studied.
为进行连续介质到非连续介质转化的数值模拟，实现结构破坏过程的仿真分析，将固定和旋转的弥散裂缝模型与变形体离散元方法结合应用于混凝土、岩石等准脆性材料的受拉开裂过程分析。
Fixed and rotating smeared-crack models based on a deformable distinct element method were developed to analyze the fracture of quasi-brittle materials such as concrete and rock under tension.
通过分析深小锥孔开式冷挤压成形特点 ，描述了其成形极限 ，建立了变形区非稳态连续速度场 ；利用上限原理得到了成形极限的理论模型。
The experiments to explore the rheologic properties of semisolid continuous casting billets of A356 alloy in the semisolid state have been carried out by means of the multifunctional rheometer.
通过分析深小锥孔开式冷挤压成形特点 ，描述了其成形极限 ，建立了变形区非稳态连续速度场 ；利用上限原理得到了成形极限的理论模型。
The experiments to explore the rheologic properties of semisolid continuous casting billets of A356 alloy in the semisolid state have been carried out by means of the multifunctional rheometer.
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