1) Standard law of wall

标准壁面函数
2) wall functions

壁面函数
1.
In addi- tion,the wells of the tunnel and shaft were described with wall functions to simulate the micro-pressure wave p.
为了降低高速铁路隧道出口微压波对周围环境的影响,采用了三维粘性、可压缩、不等熵、非定常流的Navier-Stokes方程作为控制方程,空间离散采用了中心有限体积法格式,隧道壁和泄压井壁采用了壁面函数处理。
2.
The computed results were compared unfavorably with experimental data when adopting RNG k-ε turbulent model with standard wall functions.
计算实践表明,应用广泛采用的重整化群(RNG)k-ε湍流模型,并结合标准壁面函数对其进行数值模拟时,误差较大。
3.
The numerical procedure is based on preconditioned secondorder accurate backward difference in time, and the near wall functions is applied to deal with the wall of tunnels.
给出了高速列车穿越隧道压力波的二维粘性流场数值模拟过程,控制方程为二维粘性、可压缩、不等熵、非定常流的Navier Stokes方程,空间离散采用了中心有限体积法格式,时间采用预处理二阶精度步后差分格式进行离散,对隧道壁面采用壁面函数处理,计算结果与国外的实验结果进行比较,二者基本一致。
3) wall function

壁面函数
1.
To this end, the wall function of the sub-grid Reynolds stress model was modified to obtain a better result.
针对这一问题,修正了亚格子雷诺应力模型的壁面函数,得到了较好的计算结果。
2.
The computed and analyzed results show that: the ASM model and the RNG k-ε model are more stable than the Realizable k-ε model and accurate than the standard k-ε model with the change of cavitation number,and the enhanced wall function is more stable and more accurate than the standard wall function and the non-equilibrium wall f.
采用四种湍流模型对NACA66水翼空化流动进行模拟,分析了不同湍流模型和壁面函数对空化流动模拟结果的影响。
3.
For the simulation of flowfield in complex domains, the wall function method in three-dimensional arbitary curvilinear coordinates for treating near wall region is given.
在工程应用中通常使用壁面函数进行流场计算,为将该法应用于复杂区域流场,该文利用张量理论详细推导了壁面函数在空间任意弯曲壁面上的表达形式,并采用该组公式对3种不同形式的燃气轮机燃烧室的三维两相化学反应流场进行了数值模拟。
4) standard function

标准函数
1.
Applying the standard function of Riemann problem for analytic function and the Plemelj formula of characteristic bianalytic function, we have established an explicit representation of general solutions of the Riemann problem.
研究双解析函数在光滑敞开曲线上的Riemann边值问题 利用解析函数Riemann边值问题的标准函数和特征双解析函数的Plemelj公式 ,得到了问题 (R)一般解的表示式 ,建立了问题 (R)的线性无关的个数与指标之间的关
2.
In this paper, algorithms and routines about the double precision computation of some standard functions in BASIC language are presented.
本文给出了BASIC语言中一些常用的标准函数的双精度计算的算法和程序。
5) wall function method

壁面函数法
1.
Implementation of wall function method was proposed for analyzing the step wise solid boundaries in the fluid region.
计算中采用k ε两方程模型 ,利用区域扩充方法来模拟复杂的几何形状 ,并进行了耦合计算 ,对流体区域内的阶梯形固体边界提出了一种实施壁面函数法的方法 。
2.
The RNG k-ε turbulence model with two near-wall treatment,respectively the standard wall function method and the two-layer wall function method,was adopted to simulate the characteristics of the turbulent jet in crossflow.
采用RNGk-ε模型,并分别结合标准壁面函数法和两层模型的壁面函数法对横向紊动射流流场结构进行了数值模拟。
6) wall function

壁面函数法
1.
The κ ε two equation model and wall function were chosen to simulate the turbulent flow and temperature field of normal marine exhaust system numerically.
采用 k-ε两方程模型和壁面函数法计算舰船普通排气系统缩比模型的湍流场和温度场分布 。
2.
The κ ε two equation model and wall function were adopted to numerically simulate the turbulent flow and temperature field of the infrared suppression device of marine exhaust system.
采用κ-ε两方程模型和壁面函数法数值模拟舰船排气系统红外抑制装置缩比模型的湍流场和温度场分布。
补充资料:德国国家标准(见德国标准化学会、德国标准体系)
德国国家标准(见德国标准化学会、德国标准体系)
National Standards of Germany: see Deutsches Institut für Normung, DIN;standards system of Germany
Oeguo Guol心日icozhun德国国家标准(Natio.吐S加Ln山切曲of Gen”旧ny)见德国标准化学会;德国标准体系。
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