查询词典 numerical calculation

With the technique of wavelets analysis and neural network intelligence, aiming at numerical calculation of temperature field in casting process of camshafts, the arithmetic of wavelet neural network is described.

利用小波分析和神经网络智能技术，针对凸轮轴铸造充型凝固过程的温度场数值求解问题，提出了小波神经网络算法。

In this paper, we optimized the thickness of the doublers and triplers, mismatch angles and other parameters of Ⅰ/Ⅱ angle detuning and Ⅱ/Ⅱ polarization mismatch third harmonic generation schemes by numerical calculation way.

采用四阶龙格－库塔数值计算方法，以Ⅰ／Ⅱ角度失谐和Ⅱ／Ⅱ偏振失配两种三倍频方案为例，给出了入射基频光为平面方波，功率密度5GW／cm2的情况下，KDP晶体三倍频参数的优化结果。

It is expected that the ceramic candle filter has an extensively application. A one-dimensional constant filtration flow model is established. Based on this model, the numerical calculation for the candle filter whose section is cylindrical and conical is carried out.

在高温高压条件下清除含尘气体中的微细尘粒，有效的方法是使用陶瓷过滤器，陶瓷过滤器是最具发展潜力的气固分离装置，除尘效率高达99.9 %，在高温气体净化领域有着广阔的应用前景。

Problems often involve impossible or degenerate geometries, which may be the result of a bad numerical calculation.

问题常常涉及不可能的或者退化的geometries，那样可能是错误的数字计算的结果。

On the basis of detail analyzing the cause and influence factors of the approach slap design, this paper which utilize the flexible ground beam theory and finite element numerical calculation method to calculate the ground reaction、internal force and bending deflection, in each condition of disjoint and undisjoint of the approach slap near the abutment end, with the different ground module and length of the approach slap, achieves some valuable conclusions.

本文在对桥头跳车成因和桥头搭板设计影响因素作了详细的分析基础上，运用弹性地基梁理论和有限元数值计算方法，对桥头搭板在近台端不脱空和脱空时，在不同的地基模量及不同的搭板长度，搭板任意截面的地基反力、内力及挠度大小进行计算，得出了一些有意义的结论。

Taking velocity moment as controlled variable, the formulas were deduced to calculate quasi-3D inverse problem for uniform stream model of guide pulley. According to the theory of two relative flow surfaces and the force analysis of air bubble, the formulas were deduced to calculate quasi-3D direct problem while gas and liquid running in the guide pulley of multiphase pump, and a method was provided to carry on quasi-3D numerical calculation of inner flow filed.

以速度矩作为控制参数，推导出多相泵导轮中均匀流模型的准三维反问题计算公式；基于两类相对流面理论及气泡的受力分析，推导出气、液两相在多相泵导轮中运动的准三维正问题的计算公式，提出一种对多相泵导轮内流场进行准三维数值计算的方法。

In this paper, an organic combination of surface molding and numerical calculation is applied to optimization design for centrifugal pump impellers.

本文将曲面造型与数值计算有机的结合在一起应用到离心泵叶轮的优化设计中。

High pressure water jet ; rock fragment ; finite element method ; fluid rock interactions ; numerical calculation

高压水射流；岩石破碎；有限元法；流固耦合；数值计算

The numerical calculation of grounding grid in large-scale substation under different conditions are carried out, including the breaking of grounding grid occurred in its edge part, in its mid-position as well as in different places simultaneously, thus the variation law of connective resistance of grounding grid under different conditions is obtained.

通过模拟计算，研究了变电站接地网导通电阻的变化规律，对不同情况下的接地网进行了模拟计算，包括边缘部分断开、中间部位断开以及多处部位断开，得出了不同情况下导通电阻的变化规律，结合变电站导通电阻的测试，将测试数据与计算数据进行比较，可判断接地网存在问题的位置。

It is found by the numerical calculation of single phase flow and the experimental results of two-phase flow that the fairing rings in the inlet and outlet of the vertical parts of inverse U tube can increase the flow stability of gas-liquid flow.

通过对单相流体在倒U型管内的流动进行数值计算，结合两相流体流动的实验结果，发现在倒U型管垂直段两端内置整流环可以增强倒U型管内气液流动稳定性。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。