1)  LES
大涡模拟竖井
2)  large eddy turbulence
大涡
1.
Two-fluid large eddy turbulence model is applied to research the movement of the sand clouds in quiescent water.
本文采用双流体大涡紊流模型对静水中泥沙云团下落过程进行了研究。
3)  large eddy simulation
大涡模拟
1.
Research on large eddy simulation for water quality;
水质大涡模拟数学模型研究
2.
Velocity estimation model for Large Eddy Simulation;
速度估计模型在大涡模拟中的应用
3.
Large Eddy Simulation of Turbulent Buffet Forces in Flow Induced Vibration;
用大涡模拟计算流致振动的流体激励力
4)  large-eddy simulation
大涡模拟
1.
Large-eddy simulation of premixed combustion and validation of the combustion model;
预混燃烧大涡模拟和燃烧模型的检验
2.
Two-fluid large-eddy simulation of backward-facing step gas-particle flows and validation of second-order-moment two-phase turbulence model;
后台阶气固流动的双流体大涡模拟和二阶矩两相湍流模型的验证
3.
Dispersion of heavy dust-particulate was simulated by means of a Lagrangian stochastic model with turbulence fields of convective boundary layers (CBL) derived from a large-eddy simulation model.
　用拉格朗日随机模式 (LagrangianStochasticModel)结合大涡模拟所得对流边界层三维湍流场的时间序列 ,研究沙尘类重粒子在大气中的扩散特性。
5)  large eddy simulation(LES)
大涡模拟
1.
Using the large eddy simulation(LES) technique,simulation of the flow field around the elbow in riser system of subsea pipeline is conducted as a case study of CB 306 well group platform in Shengli oilfield.
以胜利油田CB306井组平台为例,运用大涡模拟(LES)方法对海底管道立管系统弯管段周围流场进行了模拟分析,结果表明:海流流速在立管两侧增大,在立管后方形成交替脱落的漩涡;立管后方形成的三维立涡成倒锥形,上部漩涡比下部漩涡先脱离立管;三维立涡底部海水对海底的剪切作用及对海底沉积物的提升作用最强,这也是海底冲淘作用不断加剧的根本原因。
2.
The flow features of a self-excited precessing jet,which was generated based on the wall attachment effect,were analyzed in the paper;and the large eddy simulation(LES) approach was used to numerically study the flow inside a precessing jet nozzle.
分析了基于流体附壁效应而自激产生的旋进射流的流动特征,采用大涡模拟(LES)方法研究了射流喷嘴内部的流场。
3.
A high accurate finite volume method of non-uniform meshes for large eddy simulation(LES) is presented in order to precisely predict complex incompressible turbulent flows.
为准确预测不可压复杂边界的湍流流动,本文应用高精度有限体积法对曲面边界湍流进行了大涡模拟。
6)  large eddy simulation (LES)
大涡模拟
1.
As an effective method for study of turbulent flow and turbulent combustion, large eddy simulation (LES) is widely used in recent y6ars.
大涡模拟作为一种研究湍流流动和湍流燃烧的有效手段，在国际上已经得到广泛应用。
2.
The large eddy simulation (LES) was used to simulate the turbulence of the continuous phase,where the motions of the large scale structures were solved directly through the incompressible Navier Stokes equations and the effects of the unresolved scales were modeled by the standard Smagorinsky sub grid scale model.
以Re数为 130 0 0的平面不可压缩湍射流流动为例 ,气相场采用大涡模拟 ( large- eddy simulaiton,L ES)技术 ,直接求解大尺度涡运动的 Navier- Stokes方程 ,小尺度涡采用标准 Smagorinsky亚格子模式模拟。
3.
Under the requirements, large eddy simulation (LES) is used to simulate the three-dimension fluid flow in wave blocker of marine inlet filter.
为满足现代舰船对进气过滤系统越来越高的要求,针对进气滤清器的防浪级进行了大涡模拟(Large EddyS imu lation)。
参考词条
补充资料：弹塑性岩体内竖井地压理论


弹塑性岩体内竖井地压理论
ground pressure around shaft in elastic-plastic rock

tonsux一ng yant一ne一shuJ一ngd一yol一}un弹塑性岩体内竖井地压理论(ground pres-sure around shaft in elastie一plastie roek)在表土或软岩中掘进竖井时，若岩体只产生弹性变形，岩体是稳定的，不必计算地压。只有在产生塑性及流变变形时，才需要计算地压;竖井各水平截面上地压不等。按轴对称条件求出竖井周边位移，再求出支护位移公式，将它们联立求解，即可得到竖井地压。也可用图解法找到两条位移与应力关系曲线的交点，该点的纵坐标值即为竖井地压(见图)竖井围岩周边位移公式为: “止 U 竖井变形地压计算图 1围岩位移曲线;z支护特性曲线 a(p。s、n，，+。eos叭)厂(尸。+。.eot，t川一sin，.门导 ZG，匕P。+cicot笋，J式中“。为竖井围岩周边位移，m;a为竖井掘进半径，m;P0为原岩水平应力，重力场条件下，P0一六yI1，MPa;c，为第i层岩石粘结力，MPa;尸b为支护抗力，等于围岩作用在支护结构上的径向压力，但作用方向相反，MPa;笋，为第i层岩石内摩擦角;G.为第!层岩石剪切弹性模量;MPa。 竖井筒形支护特性方程为: l一群2厂bZ+a，尸1。， z，‘一二六舟}头‘-共一一IP，b EL右2一aZx一尸J“”式中u。为支护外半径表面的径向位移，支护与围岩密贴的情况下，“，一“、;E及产分别为支护材料的弹性模量及泊桑比;“为支护内半径，m;b为支护外半径，m;尸二为竖井变形地压，尸。一尸b，MPa。 (高磊)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。