查询词典 Stokes theorem

Using the fluid mechanics theory, the Gauss filtration governing equations are presented based on the incompressible Navier-Stokes equation in primitive variables, which are discretized using standard third-order accurate Galerkin finite element scheme in space and discretized using finite differencing scheme in time.

为了考证数值模拟结果的正确性，对水泥在圆弧弯管中的气力输送气固两相流动采用了等速取样和等截面法进行了三种工况的试验研究。试验结果表明，竖直上升弯管出口颗粒浓度在弯管外侧脊线附近颗粒浓度特别高，其余部分相对比较均匀且浓度较低。

In mathematics, it can be boiled down to two equivalent forms of a kind of classical solutions to the general Navier-Stokes Equation of velocity fluctuations.

从数学而言，这一框架的理论基础可归结为描述不可压缩脉动场的Navier-Stokes方程的两个等价形式。

A method for generating three-dimensional mixed element type unstructured grids and its application for viscous flow simulations by solving the Navier-Stokes equations are presented.

采用一种改进精度的格心有限体积法对三维 NS方程进行了求解，在加速收敛措施方面，提出了一种新的当地时间步长取定方法来减小质量较差的网格单元对流场计算稳定性和收敛速度的不利影响。

Central South University, Changsha 410075, China）Abstract: Based on 2D steady and incompressible Navier-Stokes equation and k-ε turbulent model,the lateral aerodynamic performances of four types of car, i.e. passenger car, gondola car, boxcar and tank car were analyzed and compared by finite volume method, when these cars were in the cross winds of the same velocity and on the railway with the embankment of the same height.

摘 要：根据二维定常不可压缩Navier-Stokes方程和k-ε双方程紊流模型，采用有限体积法对客车、敞车、棚车和罐车4种不同外形铁路车辆在路堤高度、横风风速相同条件下的横向气动性能进行分析与比较。

Cuddle koalas and hand-feed lorikeets, hold a possum or get wrapped by a snake at Stokes Bay.

在斯托克斯湾拥抱考拉，亲手给吸蜜鹦鹉喂食，抱抱袋貂，或是让蛇绕在身上。

Many of the first black mayors, like Stokes and Hatcher

许多首任的黑人市长，像斯托克和哈契尔

Numerical simulation of cavitation in axial-flow pump under large-flow condition has been conducted by calculation Eulerian-Eulerian homogeneous model and Navier-Stokes equation with RNG turbulence model in this paper.

江苏大学能源与动力工程学院，江苏镇江 212013摘要：本文利用Navier-Stokes方程、RNG 湍流模型和欧拉-欧拉均相流模型，对轴流泵偏大流量工况下的空化流动进行了数值模拟。

Numerical experiments show that because Navier-Stokes equations at highReynolds number are a hyperbolic system,the boundary conditions are appli-cable to prescribe their boundary problems.

数值实验表明，在高Reynolds数下，由于Navier-Stokes方程呈现出很强的双曲型方程的性质，上述经过某些线性化处理得到的无反射边界条件是可以用来指定其边界值问题的。

To calculate the aerodynamic forces on the vehicle and grid-fins, we use time-dependent method to solve the Navier-Stokes equation of ideal gas, and flux conservational multizones method to divide the complex vehicle and grid-fins into eight computational zones which are relatively independent, and correlative with each other at once with satisfactory results.

为了计算作用在飞行器和栅格翼上的气动力，采用时间相关法数值求解完全气体的三维Navier－Stokes方程，并运用通量守恒的分区计算方法，将复杂的飞行器和栅格翼系统分解成八个既相对独立，又相互关联的计算区域，得到了满意的结果。

Based on viscous, stable and impressible Navier-Stokes equation and k-s turbulent model, the aerodynamic characteristics and the fluid field around the maglev vehicle are simulated by means of the finite element analysis software ANSYS.

本文以粘性定常不可压Navier-Stokes方程以及k-ε双方程湍流模型理论为基础，利用大型有限元分析软件ANSYS对磁悬浮列车的空气动力特性和外部流场进行数值分析研究。

This was not understood at the time, and therefore went unaddressed, until ascension became so distorted that we chose to stop ascending and wait for a time when all records would be revealed.

这在当时没有被了解，因此进行着无改编，直到提升变得如此扭曲，我们选择去停止提升并等待所有记录能被揭示的那一天。

The attack＇s nuisance value is increased because mobile phone networks also send notifications of new voicemail by sms,so an attacked phone may stop advising of new voice messages too,it warned.

它警告：这种攻击的危害增长是因为移动电话网络也会通过短信发送新语音邮件的通知。所以受到攻击的手机可也以停止新的语音信息的提示。