查询词典 numerical

With the rapid development of computer and the CFD theory numerical simulation became the most popular measure to resolve these mechanisms complex and observation difficulty by experiment problems.

随着计算流体力学的发展及计算机的广泛应用，数值模拟成为研究这些过程机制复杂、实验观测困难问题的重要手段。

The numerical experiment of complex heterogeneous model demonstrates that the algorithm can bring reliable results with high precision and can be extended to seismic wave simulation in anisotropic media.

复杂非均匀介质模型数值模拟结果说明了该方法的可行性和优越性。

Numerical simulation method is an available method to analyze complex flow field.

计算结果表明，数值模拟方法是分析复杂区域流场的有效方法。

Numerical simulation of flow field in a complex spillway tunnel is achieved in the paper.

它的应用范围越来越广泛，并成为一种研究流场的基本手段。

To calculate any real-order fractional Fouriertransform of a complex valued function, I devised a fast numerical algorithm and testedit with concrete implementation.

为了计算一般函数的任意实数阶分数Fourier变换，提出了一个快速算法及其具体实现，该方法的时间复杂度与一个快速卷积相当。

Based on the diversification and complexness of the atmospheric turbulence problems, the numerical method would be a better selection.

问题的多样性和复杂性迫使我们考虑使用数值方法研究这一问题。

The achievement that soil ultimate bear capacity heightened under pile caps due to barrier effect of piles gained from model test, and soil move around piles acquired from numerical simulation, its not only verified hypothesis of composite pile foundation nonlinear design theory, but have important reference value to the study of design theory and design method of composite pile foundation, which help to go deep into study of promote pile-soil-pile caps nonlinear interaction theory and composite pile foundation nonlinear design theory.

由模型试验得到的桩的遮拦作用对承台下土体极限承载力提高和数值模拟得到的土体绕桩流动等成果，不仅验证了

The numerical simulation is based on the fundamental hydrodynamic conservation equations including viscous effects for compressible fluid, coupled with the equation of state for water.

数值计算是基于包括粘性影响的可压缩流体基本守恒方程，并耦合了水的状态方程。

Two classes of numerical methods based on FD-WENO schemes were recommended for solving nonconservative compressible ideal fluid dynamics equations.

以求解双曲守恒律组的FD-WENO格式为基础提出了两类用于求解非守恒可压编理想流体力学方程组的数值方法。

In the paper, a mathematical model of borehole gas transient flow in the process of gas drilling is set up and a numerical solution method is put forward on the basis of the unsteady flow theory of compressible fluid.

基于可压缩流体不稳定流动理论，文章建立了气体钻井过程中井内瞬态流动的数学模型并提出了模型的数值解法。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。