离散涡,discrete vortex
1)discrete vortex离散涡
1.The flow past buildings is simulated by discrete vortex numerical method.应用离散涡数值方法对高雷诺数下建筑物绕流流场进行了数值模拟,得到了不同相对位置、相对距离的建筑物在不同来流方向的分离流场和涡量分布,总结出受建筑物影响的流函数变化规律,取得了较为合理和可靠的计算结果,说明离散涡方法是研究建筑物的绕流问题的有效手
2.In accordance with the characteristics of high Reynolds number for building wind field, the discrete vortex model is developed to analyze the unsteady separated flow of a tall building with rectangular cross section.针对建筑物风场的高雷诺数特点 ,采用离散涡法 ,分析了高层建筑物的非定常分离流问题 。
3.A discrete vortex model has been developed to solve the unsteady vortex dynamics equation under the Lagrangian frame,in which the point vortex was used to represent the location where vorticity concentrated.通过在势流场中嵌入有限数目的点涡来代表局部有旋区域连续分布的涡量,在拉格朗日框架下应用离散涡方法求解非定常涡量方程,从而有效模拟了高雷诺数下不同直径串列圆柱绕流脱落旋涡的动态演化过程,并分析了流场中大尺度旋涡相干结构对前后圆柱受力的影响。
英文短句/例句

1.NUMERICAL SIMULATION OF INTERACTION BETWEEN ELLIPTIC RINGS BY DISCRETE VORTEX METHOD椭圆涡环相互作用的离散涡数值模拟
2.Research on the rectangular jet with discrete vortex filament method;离散涡丝方法模拟矩形射流场的研究
3.NUMERICAL SIMULATION FOR AEROELASTICITY IN TURBOMACHINES WITH VORTEX METHOD Ⅱ.NUMERICAL TESTS叶栅气动弹性离散涡数值仿真──Ⅱ.数值试验
4.NUMERICAL SIMULATION FOR AEROELASTICITY IN TURBOMACHINES WITH VORTEX METHOD Ⅰ. Theory and Method叶栅气动弹性离散涡数值仿真——Ⅰ.方法与验证
5.Numerical Simulation of Two-dimensional Flow Past a Tall Building Using a Discrete Vortex Method;高层建筑二维流场的离散涡方法数值模拟
6.Discrete Vortex Method Combined with the Singularity Method for Numerical Analysis of Flow Past Arbitrary Two-Dimensional Bluff Body;二维钝体绕流计算的离散涡奇点分布法
7.Experiment Study on the Effect of Discrete Liquid Phase for Vortex Street Flowmeter Measuring Error离散液相对涡街流量计测量误差影响的实验研究
8.A surface source distribution is used to replace the boss and the vortex lattice representation of propeller blader is also incorporated.桨毂的影响以布置在其表面上的面源分布来模拟,螺旋桨叶采用离散的涡格法来处理。
9.centrifugal-flow jet engine离心式涡轮喷气发动机
10.steam turbine centrifugal fat extractor蒸汽涡轮离心式提取器
11.turbine driven centrifugal compressor涡轮机驱动离心压缩机
12.Large eddy simulation of separated flow transition on a highly-loaded low pressure turbine profile大负荷低压涡轮叶型分离转捩流动的大涡模拟
13.Detached Eddy Simulation of Turbulent Flow in an Unbaffled Stirred Tank Driven by a Rushton Impeller无挡板涡轮桨搅拌槽内湍流流动的分离涡模拟
14.turbine mixer with stationary diffusion ring带固定扩散环的涡轮混合器
15.discrete-time approximation离散时间近似(法)
16.Discrete Real Time Mobile Ambients;离散实时Mobile Ambients
17.In examination with the probe, the" lift-off" effect is always existed.在点式涡流探伤中存在提离效应。
18.Investigations into Energy Separation Model and Numerical Simulation of the Vortex Tube;涡流管能量分离模型及数值模拟研究
相关短句/例句

Discrete Vortex Method离散涡
1.The Discrete Vortex Method (DVM) is a CFD methodology under development for high Reynolds number flow simulation in these years.离散涡方法是近些年来发展起来的适合于高雷诺数流场的CFD方法,具有概念简单,计算不依赖于网格等优点。
3)discrete vortex method离散涡法
1.Two computed models and a numerical method based on nonlinear discrete vortex method are presented to simulate the vortex flow about wing-body combinations.论述了用非线性离散涡法来模拟大迎角下翼-身组合体涡流绕流的计算模型及计算方法;给出了一个典型翼-身组合体的涡流流态计算结果及其非线性气动特性和截面压强(或载荷)分布。
4)discrete vortex filaments离散涡丝
1.A model of computation for three-dimensional mixing layers described by discrete vortex filaments is built.构造了三维混合层流场用离散涡丝描述的计算模型并进行了数值模拟。
5)discrete vortex method离散涡方法
1.The flow field of planar jet is simulated by discrete vortex method.采用离散涡方法对平面射流流场进行了数值模拟。
2.The gas and particle phase in the gas solid two phase plane mixing layers flow is numerically simulated using the discrete vortex method and trajectory method respectively.对气固两相平板混合层流动 ,采用离散涡方法模拟气相场 ,轨道法跟踪颗粒的运动。
3.The planar jet flow was numerically simulated by discrete vortex method and time averaged velocity well-coincident with experimental measures was obtained.用离散涡方法对平面射流进行数值模拟,得到了与实验定量符合的速度场,采用单向耦合的Lagrangian方法模拟了流场中颗粒的弥散。
6)discrete horseshoe vortices离散马蹄涡
1.By using the discrete horseshoe vortices method,this paper predicts the hydrodynamic performance of the marine propeller and vane wheel.采用升力线理论的离散马蹄涡方法。
延伸阅读

离散时间周期序列的离散傅里叶级数表示   (1)  式中χ((n))N为一离散时间周期序列,其周期为N点,即  式中r为任意整数。X((k))N为频域周期序列,其周期亦为N点,即X(k)=X(k+lN),式中l为任意整数。    从式(1)可导出已知X((k))N求χ((n))N的关系   (2)  式(1)和式(2)称为离散傅里叶级数对。    当离散时间周期序列整体向左移位m时,移位后的序列为χ((n+m))N,如果χ((n))N的离散傅里叶级数(DFS)表示为,则χ((n+m))N的DFS表示为