numerical diffusion的例句大全

Standard numerical methods solving these equations often produce nonphysical oscillations, and upwind methods usually cause excessive numerical diffusion which smear the sharp fronts.

求解一般抛物方程所采用的标准有限元或有限差分法会产生难以接受的数值震荡和数值弥散；

The hydrodynamic equations are solved and, simultaneously, the two dimensional advection diffusion equation is solved by using Alternating Direction Implicit method. The numerical solutions have been tested by comparing observed and computed values of water level, and tidal velocity.

根据课题组的二维潮流污染扩散数学模型，选取合适的参数，采用ADI法（Alternating Direction Implicit Method）求解潮流污染扩散方程，并对数值模拟结果进行了水位以及流速的验证。

The basic property parameters of new thermal insulation mortar were tested. The moisture storage function, water vapor diffusion coefficient and liquid water diffusion coefficient were obtained by numerical calculation.

以新型保温砂浆为例对基本物性参数进行了测试研究，通过数值计算得到了材料的平衡湿度曲线、水蒸气扩散系数和液态水扩散系数，并将结果用Delphin软件进行了验证。

On the basis of the wave equation, the amplitude equation of hyperbolic reaction diffusion equation for glycolysis model is derived by using perturbation theory, and it brings the theoretical basis for numerical studies.

在波动方程基础上，利用微扰理论求得糖酵解模型（修正Selkov模型）双曲型反应－扩散方程的振幅方程，为数值研究提供了理论根据。

Kinetics of diffusion with chemical reactions in gelatin layer(ⅳ) numerical modeling of diffusion with a reaction on the interface of droplets

明胶层中的扩散和反应的动力学研究&（Ⅳ）扩散伴随油珠界面反应的动力学数值模型

Study of False Diffusion for Numerical Simulation in Tangential Boiler

四角切圆锅炉数值模拟伪扩散的探讨

In this paper, a three-dimensional shelf sea model is set up to forecast the tidal current, advection and diffusion of COD and oil concentration, and it is employed for numerical forecasting of the pre-engineering nearshore of Maoming.

通过建立一个三维陆架海数值模式来预报近海潮流、COD和油类浓度的对流扩散，并应用于沿岸海区&茂名近海海域的工程前期数值预测。

To avoid the effect of false diffusion, QUICK format is used in the numerical method.

为了消除计算中伪扩散的影响，选用了QUICK格式。

The numerical simulation and the dynamic simulation of the earthquake secondary fire, the explosion, poison gas leak and diffusion are studied.

对地震次生火灾、爆炸、毒气泄漏与扩散等进行了数值模拟与动态仿真研究。

Numerical simulation on turbulent diffusion flame of gas burner with spinning air

旋流稳焰瓦斯燃烧器湍流扩散火焰的数值模拟

Numerical simulation of the length of turbulent diffusion flame of a gas burner

重整炉瓦斯燃烧器火焰长度数值研究

The numerical results show that the highest average acoustic diffusion is achieved, when the absorptive material is fixed on the side wall against the lowest side of the oblique ceiling.

数值结果表明，当吸声材料安装在斜面天花板最低边所在的侧墙上时，声场的平均扩散程度最高。

Numerical simulation of air pollutant transport and diffusion in Guiyang City

山区城市大气污染物传输扩散的数值模拟

With the large scale software FLUENT, by using the K-two-equation model, the numerical simulation of the turbulent flow field was developed. On this ground, the gas diffusion, flow field and their influence on combustion are analyzed.

用大型软件fluent，采用-双方程模型对新型炼镁炉内湍流流场进行数值模拟，分析了炉内气体扩散过程、流场分布以及炉内流场对燃烧过程的影响。

Numerical analysis and experiment for the model horizontal diffusion

模式水平扩散参数化的数值分析与试验

Numerical simulation of turbulent jet diffusion ch4/ air flame using joint presumed PDF model

用简化的联合PDF模型计算CH4扩散燃烧

Numerical simulation of moisture diffusion in the Xianggu mushroom drying process with shrinkage

考虑收缩的香菇干燥过程模拟研究

Numerical simulation of blow-up for some diffusion systems with coupling at the boundary

一类边界耦合的扩散系统爆破现象的数值模拟

Numerical simulation of blow-up for some diffusion systems with coupling at the boundary

一类边界耦合的扩散系统爆破现象的数值模拟

The three-dimensional numerical model for a single plane fissure grouting was established. By using time-dependent viscosity constitutive equation, the transient law of grout diffusion behavior, pressure field and velocity field was researched.

建立了单一平板裂隙浆液扩散的三维数值模型，采用粘度时变本构方程，研究了浆液扩散形态、压力场和速度场分布、地下水流量的瞬态规律。