非连续变形是多体系统的一个重要特性。
Discontinuous deformation is a fundamental character of multi-body system.
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.
数值流形方法能够统一处理连续与非连续变形问题，有限覆盖技术是该方法的核心。
Numerical manifold method can solve both continuous and discontinuous deformation problems in a unified mathematical formulation. The finite cover is the essential technique in this method.
岩土工程中的非连续变形计算和数值模拟是岩土力学与工程领域中的前沿课题之一。
Discontinuous deformation computations and numerical simulations are important topics in geomechanics and are catching more and more attention.
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.
该试验装置可以更好地从均匀加载的角度研究非均匀，非连续介质的变形及破坏规律。
This testing machine is good at studying the deformation and failure of inhomogeneous and discontinuous media from the Angle of loading equability.
结果表明，推导出的算法是正确的，三维静态同步松弛离散单元法可用于模拟岩体的非连续大变形。
The results indicate that the extension of SSRDEM is correct, and three dimensional SSRDEM is efficacious in modeling the discontinuous large deformation of rock mass.
获得了非连续岩体与锚杆的相互作用规律以及非连续岩体和锚杆的变形规律。
The laws of interaction between a rock bolt and rocks and the displacements of discontinuous rock mass and a rock bolt were gained.
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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