与其他数值软件一样，用三维离散元程序(3dec)模拟应力波在节理岩体中的传播和衰减时，模型参数对模拟结果有很重要的影响。
Model parameters have the important effects on three-dimensional distinct element code (3dec) modeling of the stress wave propagation and attenuation in jointed rock masses as well as other codes.
采用物质描述增量有限元方法，对露天与地下联合开采工程岩体进行了数值模拟分析。
With the finite element method of material description, the rock mass in underground and opencast united mining engineering was simulated and analyzed.
本文提出了一种在复合膨胀岩体中考虑其耦合流变性态和渗流效应以设计有压隧洞衬砌的有限元方法。
A finite element method for the design of the lining of pressure tunnels in complex-swelling rock, considering its coupled-rheological behaviour and the seepage effect is presented in this paper.
有限元分析的结果表明，有根系岩质路堑边坡表层土体的变形明显小于无根系岩质路堑边坡表层土体的变形。
Result that finite element analyse indicate that rock slop and road cuttings with root system's deformation is smaller obviously than rock slop and road cuttings without root system's.
本文采用非线性有限元法计算了胶结式预应力岩锚胶结体和基岩的应力及其分布。
This paper calculates the stress distribution of prestressed rock anchor by the non-linear finite element method.
以节理岩体等效刚度的概念为基础，讨论了离散元刚性块体模型中节理刚度的选取问题。
Based on the concept of equivalent stiffness of rock masses, the estimation of joint stiffness in distinct element model of stiff blocks is discussed.
此外还介绍了用两种三轴应变计进行岩体应力测量的结果以及能考虑自重边界元法的实际应用。
Results of measurements on rock mass stresses by two kinds of triaxial strain cells are reported. Finally the possible applications of BEM with gravity are discussed.
采用有限元法，对岩体在拉剪综合作用下平行双裂纹相互影响的情况进行了计算。
The interaction between two parallel cracks in rock mass under the combined action of tension and shearing is analyzed by finite element method.
作者通过构建离散元模型，模拟主动底辟盐构造断裂系统的演化过程，并进一步讨论了岩性强弱对于主动底劈盐构造断层系统分布模式的影响。
The authors built a discrete element model to simulate the evolution of fault system above active salt domes, and further discussed the influence of rock strength on fault patterns.
利用反演得到的岩体力学参数进行有限元正分析所得位移与现场实测结果更加接近。
The displacement calculated by FEM with parameters obtained from back analysis was close to the measured value.
文章用盐岩蠕变的非线性有限元法建立了具有倾斜盐岩夹层的地层有限元模型。
Finite element models for formations with inclined saline rock interbeds were set up by use of nonlinear finite element method for saline rock creep deformation.
采用弹塑性有限元法和强度折减法，对九甸峡水电站厂房后岩体边坡进行稳定性计算分析和评价。
Based on the elastic-plastic finite element method and strength reduction method, the stability of the rock slope behind the powerhouse of Jiudianxia hydroelectric station was studied and evaluated.
本文提出了岩体稳定性评价的物元分析法，并经实测数据进行验证，说明此方法是科学可靠的。
In this paper, the matter element analytical method of rock mass stability assessment is presented. The data obtained from measurement indicate that the assessment method is scientific and reliable.
采用非线性动态有限元法，结合实际工况条件，建立了高压水射流—机械齿联合破岩的数值模型。
According to practical working situation, nonlinear dynamic finite element method is adopted to establish a numerical model of combined breaking rock with high pressure water jet and mechanical bit.
采用三维离散元方法，模拟含节理岩块的单轴受压试验。
Discrete element method (DEM) based numerical simulation is conducted for the jointed rock under uniaxial press loading.
分离鉴定了5个三萜类化合物：葳岩仙皂苷C（1）、木通皂苷D（2）、木通皂苷F（3）、 熊果酸（4）和常春藤皂苷元（5）。
Five triterpenoids were isolated and their structures were identified to be cauloside C (1), akebiasaponin D (2), akebiasaponin F (3), ursolic acid (4) and hederagenin (5).
标记神经元以颈静脉节最多，部分出现于结状节和岩神经节。
The nodose ganglion contained some afferent neurons with fibers from caudal cervical part and thoracic part of the esophagus.
本文还提出了用三维非线性有限元法分析岩体的三维地应力场的方法。
A method for analysing the three dimensions geostress field in the surrounding rock by the three dimensions nonlinear finite element method is also presented.
基于物元模型和聚类分析，提出了岩体边坡稳定性的可拓聚类预测方法。
Based on the matter-element model and the classified analysis method, an extension classification prediction method for the stability of rock-mass slopes is proposed.
首先根据室内测试和岩体力学参数估算结果，运用摩尔-库仑破坏准则计算边坡岩体的破裂角；其次，运用弹塑性有限元数值模拟方法进行了变形破坏规律研。
First, according to the results of tests in laboratory and evaluation of rock mechanical parameters, slope rock mass failure angles are calculated based on Mohr Coulomb criteria; Secon.
假定软岩微元强度分布统计概率，定义软岩的统计损伤变量，依据统一强度理论建立三轴应力状态下软岩的损伤统计本构模型。
Assuming distribution statistical probability of micro-units strength, statistical damage variable is defined; and the statistical damage constitutive equation is proposed under triaxial.
本文对基于有限元动力学分析的煤岩界面识别的多传感器优化布置及管理算法进行了研究。
This paper has mainly studied the optimal sensor placement and management algorithm of coal-rock interface recognition based on finite element dynamic analysis.
将二维随机节理网络运用于岩体地下洞室的离散元计算模型。
Use two dimension network crack into a tunnel distinct element model.
被标记的嗉囊感觉神经元出现于远神经节、岩神经节和颈静脉神经节内。
The labeled sensory neurons were found in the distal, petrosal and jugulargonglia.
本文采用有限元法和地质力学模型试验相结合的方法，研究了层状岩体高边坡坡脚基坑开挖时的破坏机理、整体抗滑稳定性和预应力锚固方式。
In this paper, by using the finite element method and the geomechanics model tests, the writer has studied the mechanism of failure of stratified rock of high slope excavated at the root.
而离散元法正是充分考虑到岩体结构的不连续性，适用于解决节理岩石力学问题。
It's known that the discrete element method well considers the discontinuity character of rock mass, and can be used to analyze the joint rock mass.
岩质边坡的稳定性主要由其结构面控制，采用有限元强度折减法对岩质边坡破坏机制进行了数值模拟分析。
The stability of rock slope is mainly determined by its discontinuity and rock bridge. However, the failure mechanism of discontinuity and rock bridge has not been studied comprehensively.
此法在洞室附近使用块体元模型，以反映节理岩体变形的不连续性，而在远处使用连续的有限元模型，以减少计算工作量。
The block element are used to model the rock masses near the cave so that the discontinuous deformation of jointed rock is dealt with easily and the computational effort is reduced accordingly.
此法在洞室附近使用块体元模型，以反映节理岩体变形的不连续性，而在远处使用连续的有限元模型，以减少计算工作量。
The block element are used to model the rock masses near the cave so that the discontinuous deformation of jointed rock is dealt with easily and the computational effort is reduced accordingly.
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