在室内模型试验的基础上对加筋路堤进行了颗粒流离散元模拟分析。
The PFC numerical simulations (Discrete Element Method) were carried out on the base of the results of model test.
本文应用模型实验、图像分析、离散元模拟等方法,对上覆岩层采动裂隙分布特征进行了研究。
With analog testing, graphical analysis, discrete element calculation method, the features of mining caused fractures of overlaying strata is studied.
以典型月壤的物理力学性质为参照标准,采用颗粒流程序PF C3D对月壤静力学特性进行了离散元模拟研究。
According to its physical mechanics properties, the statics characteristic of lunar soil is studied using DEM software PFC3D.
开发了离散元框架内的网格实体模型(SLM),模拟拆除爆破中结构倒塌的复杂动力学过程。
The SLM is developed to simulate the complicate dynamic process for structural collapse of demolishing blast in frame of DEM(Discrete Element Method).
采用离散元方法,对喷动流化床内的颗粒混合特性进行了三维直接数值模拟。
Numerical simulations on particle mixing characteristics of spout-fluid bed were carried out in three dimensional based on discrete element method (DEM).
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.
本文将离散的局部透射边界与集中质量有限元方法相结合,用于模拟粘弹性成层介质中的稳态波动。
In this paper, a discrete local transmitting boundary is combined with a lumped-mass finite element technique for simulating steady wave motion in the viscoelastic layered medium.
提出了采用基于颗粒接触力学原理的离散元法对耕作土壤动力学问题进行数值模拟的新思路。
A new simulation strategy using the Discrete Element Method (DEM) based on spherical particle contact mechanics to tillage soil dynamics was proposed.
研究结果表明,从模拟连续模型的精度上看,时域离散化使集中质最有限元法优于一致质量法,前者可取较大时间步长。
This paper shows that the time discretization makes the lumped-mass method much better than the consistent-mass one as accuracy is concerned for simulating wave motion in the continuous model.
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.
土壤是典型的松散介质,利用粘连的颗粒离散元模型模拟土壤聚团的行成及破裂一直是散体力学的热点之一。
Soil is a typical unconsolidated medium, and it is one of the most popular questions that the simulation for the generation and fracture of soil agglomerate with adhesive particle DEM.
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.
将神经网络、遗传算法、三轴实验和离散元数值模拟相结合,用于改性砂土等效离散元接触模型参数反演。
The inversion method combining the genetic neural network and the discrete element simulation of triaxial tests is proposed for determining the contact model parameters of the conditioned soil.
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.
利用离散元法,对爆炸排淤的“石舌”形成过程进行了模拟和动画显示,并对模拟结 果进行了分析。
The paper presents a successful numerical simulation of the stone tongue formation in blasting toe-shooting by distinct element method, and an analysis of the numerical simulation results.
选择典型地质剖面,分别建立岩体力学模型,运用有限元及离散元方法进行模拟,确定坝址斜坡变形破坏机制模型;
To simulate the dynamic process and analyze the mechanics mechanism of the slope using the methods of finite element and distinct element;
在组合弯曲成型过程中出现的问题,依靠有限元技术对其进行了单元划分和计算机模拟的离散化。
In order to solve the problems occurring in the combined bending and forming process of TC4 sheet 3.
在组合弯曲成型过程中出现的问题,依靠有限元技术对其进行了单元划分和计算机模拟的离散化。
In order to solve the problems occurring in the combined bending and forming process of TC4 sheet 3.
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