查询词典 numerical calculation

According to the rectification, calculation and programming, numerical value of condenser vacuum is more veracious.

根据该定义，对运行中的机组最佳真空进行重新计算，确保机组能在更加经济的真空下运行。

In this paper, the mathematical model and the numerical simulation method of hydrodynamic problems, including the calculation of moving free surface and other boundary conditions for the viscous incompressible flow with free surface, were investigated.

这就需要对流场的数值计算方法进行比较深入的研究。本文对具有自由水面的不可压粘性流动问题的数学模型、数值计算方法、自由表面及其它边界的处理等问题进行了深入的研究。

The fluid flows and heat coupled calculation method is used. The standards two equations turbulence models, velocity and pressure coupled arithmetic are used.According to the results of numerical simulation analysis the local coefficient distribution changes along the pin fins.Study the effection that its height and shape of the pin fins have on the average Nu and the average number of pressure loss coefficient Eu.The circle-shaped and elliptic-shaped pin fins have different circumcolumnar regional,therefore the mixed conditions are effected.

数值计算中采用标准双方程湍流模型，速度压力耦合算法；根据数值模拟的结果分析沿扰流元的局部换热系数分布变化，研究其扰流柱高度及形状对扰流柱通道平均努赛尔特数Nu和平均压力损失系数Eu的影响，圆形和椭圆形扰流柱的绕流尾涡影响的区域的不同对扰流柱群内流体混合状况的影响。

By combining k-ε models with the wall function calculation method and using the SIMPLE method for programming,the flow field in exhaust facility ,which has a low pressure heater and pressure reducer and desuperheater in it,has been treated with three-dimensional numerical simulation and the velocity distribution of the flow field in exhaust facility is herewith obtained.

采用k-ε模型并结合壁面函数法，利用SIMPLE算法编程，对某具有内置式低压加热器和减温减压器的直接空冷汽轮机排汽装置的内部流场进行了三维数值模拟，得到了整个排汽装置内部流场的速度分布情况。

For an example of craft design about stamping forming of the gate of a certain railway freight car, formulize the craft calculation of fluctuate formation on a weathering steel plate of moderate thickness, and the method and course of simulating analysis about forming process using computer numerical simulation technology.

以某型铁路货车车门冲压成形工艺设计为例，阐述了耐候钢中厚板起伏成形的工艺计算以及利用计算机数值模拟技术进行成形过程的仿真分析的方法及过程。

A numerical wave breaking model based on the fully-nonlinear Boussinesq equations is investigated in terms of its application in calculation of longshore current.

探讨一种基于完全非线性Boussinesq方程的波浪破碎模型在沿岸流计算中的应用问题。

Numerical method of maro/micro coupling and coupling of calculation of phase diagrams in simulation on microsegregation were discussed in this paper.

论述了在显微偏析数值模拟研究中宏/微观模型的耦合数值方法和显微偏析模型与相图计算耦合的数值方法。

In the last chapter of this paper, several remarks of this study were discussed. Considering saving the computer memory and increasing the calculation speed, the Pseudospectral time-domain numerical method is more effective than the FDTD method.

从节约计算机内存和提高计算速度方面考虑，电磁场数值计算建议采用时域伪谱算法来代替时域有限差分法，并进行了相应的比较和分析。

A Corner-tangential-boiler of 410t/h in Guohua Beijing thermal powerplant was studied in the thesis. Firstly, optimizing operation was carried on boiler for de-NOx emission; secondly, numerical simulation was made by Fluent software, the calculation results were consistent with experiments. The retrofit scheme of reburn was put out which ascended the upper primary wind.

本论文以国华北京热电分公司410t／h四角切圆燃煤锅炉为研究对象，首先进行了锅炉低NOx优化运行的试验研究；并通过Fluent数值模拟对其进行了深入的研究，计算结果与实际情况吻合较好，同时提出将上一次风上移作为再燃的改造方案，并对改造后的情况进行模拟预测，得到改造后工况运行优于现行工况。

The tanglesome problem,which includes the coupling of detonation of highexplosives,propagation of blast wave and interaction of explosion wave and shellstructures,is resolved by a staged calculation procedure.A numerical simulation tothe elasto-plastic structural response of the double-walled explosion containmentvessels closed with flat head,which has not been reported by other literatures before,was performed.The simulated results are in good agreement with that of theexperiment.The characteristics of the dynamic response of the vessels weresummarized.Some noticeable new phenomena were pointed out.

在数值分析方面，本文对一个包含有装药爆炸、爆炸波传播、爆炸冲击波与结构相互作用的复杂耦合问题，提出了分段解耦的计算方法，并首次完成了带平板封头的双层圆柱形爆炸容器弹塑性结构响应的数值模拟，得出了与实验基本一致的结果，总结了圆柱形爆炸容器弹塑性结构响应的基本特点，并发现了一些值得注意的新现象和新问题。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。