颗粒流

土体破坏细观机理及颗粒流数值模拟极限黏结力〔土地〕

Microscopic Mechanics of Soil Failure and PFC Numerical Simulation ;

砂土稳态强度试验研究及颗粒流模拟

Research of Laboratory Tests and PFC ~( 3D ) Numerical Simulation for the Steady State of Sand

基于OpenGL的颗粒流程序数值模拟结果可视化

The Visualization of Simulation Results for Particle Flow Code Based on OpenGL

基于颗粒流模型的TBM滚刀破岩过程数值模拟研究

Research on numerical simulation of rock fragmentation by TBM cutters using particle flow method

CFS夯扩桩复合地基作用机理的颗粒流数值模拟初探

Numerical study on the composite foundation with rammed expanded piles by particle flow code

运用基于颗粒流理论的PFC软件从细观上对裂隙岩体在无水渗流情况下裂纹的扩展进行了模拟，重点分析了不同几何位置以及加载方式下两裂纹的扩展机制。

The crack 's propagation rule of crack rock mass is simulated by PFC software from mesoscopic without seepage .

基于DEM方法的粒子系统主要应用于泥石流，单螺杆挤出固体传输等固体颗粒流的模拟中。

The DEM particle system is applied in debris flow the solids-inflow zone of a single screw extruder , and so on .

应用基于离散元原理的颗粒流数值模拟（ParticleFlowcodein2Dimensions，简称PFC2D）软件，对框架倒塌的全过程进行了数值模拟。

The whole collapse process of concrete frame was simulated with Particle Flow Code in 2 Dimensions ( PFC2D ) computer program based on the Discrete Element theory .

本文的结果表明，DLM／FD法是直接数值模拟颗粒流的有效手段。

The result shows that the DLM / FD method is an effective way to explore particulate flows .

建立颗粒流方程的推广BGK模型方法

Set up the Granule Flow Equations by the Method of the Generalized BGK Model

为了实现颗粒流程序PFC对损伤区的模拟，通过三轴压缩试验确定了PFC的细观参数。

In order to realize the simulation of damage zone by the particle flow code ( PFC ), the microscopic parameters are confirmed by triaxial compression test .

颗粒流方法及PFC2D程序

The method of particle flow and PFC 2D Code

通过对不同通道宽度下，固定开口为95d的颗粒流和漏斗口以上95d×8d区域记录的模拟结果分析，发现随通道宽度增大，密度变大、温度降低。

In the area over the orifice , the density of flow increases and the granular temperature decreases with the increase of channel width .

利用PIV无接触测量技术，在氩气流量为1.9m3/h工况下，对60~160目粒径的玉米秸颗粒流进行了速度场的研究。

Using a non-instructive technique of Particle Image Velocimetry ( PIV ), the velocity fields of corn stalk granules which mesh size ranges from 60 to 160 were studied at the 1.9m ~ 3 / h volume flux of Argon gas .

以典型月壤的物理力学性质为参照标准，采用颗粒流程序PFC3D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 .

介绍了颗粒流程序模拟结果的可视化开发方法，并通过具体实例说明以OpenGL为基础的可视化实现步骤，结果表明，以OpenGL为基础的可视化方法可以直观、逼真地反映数值模拟结果的正确性。

An visualization method has been introduced for Particle Flow Code developed by author . Several examples are listed to show the steps of OpenGL visualization . The results indicate that the visualization method based on OpenGL can expressly reflect the simulation results and directly verify accuracy of simulation .

用二维颗粒流程序（PFC2D）对各种移动模式的刚性挡墙被动土压力进行了模拟。

The passive earth pressure of rigid wall due to various wall movement was simulated by particle flow code ( PFC ) 2D , which is based on DEM .

应用颗粒流理论及其PFC2D程序，模拟研究了承受上拔荷载作用的桩及桩周土的细观力学特征，桩的上拔位移和颗粒的分布和速度。

Using PFC ~ ( 2D )( Particle Flow Code in 2 Dimensions ), meso-mechanical characteristics of sand particles were simulated numerically , and distribution and velocity of sand particles as well as uplifting displacements of pile were studied .

其中推广BGK模型方程的处理采用了经典分子动力论中的ChapmanEnskog方法。由于建立颗粒流方程的思路简单清晰，且方程中各量都有明确的物理意义，因此易于推广

The granule flow equations are deduced from the generalized BGK model The generalized BGK equation is treated with the Chapman Enskog method that is used in the classic molecular kinetics The equations are easily generalized since the method is simple and the quantities in them have concise physical meaning

储料的密度对立筒仓压力影响的颗粒流数值模拟

The PFC simulations of the density influence upon pressure in silos

砂土中静压桩沉桩过程试验研究与颗粒流模拟

Experimental and numerical analysis of jacked piles during installation in sand

渗透变形中相似性问题的颗粒流模拟

Simulation of Particle Flow Code for Similarity Analysis of Seepage Deformation

滑块曲面形状因素对颗粒流润滑特性的影响

Effects of Slider 's Surface Shape on Particle Flow Lubrication Characteristics

颗粒流的离散元法模拟及其进展

Discrete Element Method Simulation of Granular Flow and Its Advances

流化床中颗粒流化运动的直接数值模拟

Study on Fluidized Region of Particles Using Direct Simulation Method

桩-土水平相互作用的颗粒流数值研究

Numerical study on lateral soil-pile interaction by particle flow code

喷射颗粒流润滑试验研究及有限元仿真

Experimental Study on Lubrication of Injecting Particles Flow and Finite Element Simulation

倾斜布风板对流化床内颗粒流化特性影响的研究

Effect of Inclining Distributor on the Fluidized Characteristics of Particles

快速颗粒流碰撞应力的动理模型

The kinetic model for collisional stresses in rapid granular flows

振动流化床中双组分颗粒流化特性的研究

Studies of Fluidization of Binary Particle Mixtures in a Vibrated Fluidized Bed