数值技术

In order to solve above problem,numerical simulation techniques is introduced to the research of wood cutting process.Through analogue simulation to analyze changing rule of wood mechanics behavioural and verificate intensity of cutting tool when cutting,its geometric parameter is determined.

为了解决上述问题，本文将数值模拟技术引入到木材切削的研究中来，通过仿真模拟，分析切削时木材力学性能的变化规律及对刀具强度进行校核，确定刀具几何参数。

This paper introduces the development of multiphase mathematical simulation method and its application in ladle or ladle furnace, furthermore also makes some advises of further development.

为此，综述了多相数值模拟技术的发展情况，介绍了其在钢包炉研究中的应用效果，并提出了今后的发展方向。

In this paper, numerical computations are made on the scattering of ultrasonic pulse waves with different centroid frequencies of 100 kHz,500 kHz and 1 MHz in fluid-filled finite-length perforation by using Finite Element Method,where three kinds of models of perforation bottom, I.E., flat bottom, stepped bottom and acuminated bottom,are assumed to simulate the practical bottoms of perforation.

乔文孝，杜光升。射孔孔眼中散射超声脉冲波的FEM模拟。测井技术，2001，25（2）：96～100 采用有限元素法，分别数值计算了平底孔道、台阶式孔道和尖劈状孔道等3种孔眼模型中不同中心频率(100 kHz、500kHz、1 MHz)的散射超声脉冲波。

Soil ; Bulldozing plate ; Dynamic process ; Adhesion interface ; Numerical simulation ; Soft-Sensing ; technique Artificial Neural Network

吉林大学；李因武土壤；推土板；界面粘附；动态过程；数值模拟；软测量技术；神经网络

The present study focuses on some important aspects of LES technology. It includes review of LES development, fundamental theory and equations and numerical implementation. The procedure of LES consists of filtering Navier-Stokes equation, modeling subgrid scale, closuring the set of equations and solving the numerical equations.

本文对大涡模拟的研究集中在以下几个方面：首先回顾了大涡模拟技术发展的历程，它的理论基础与滤波方程组，以及它在CFD程序中的数值模拟实现：包括滤波NS方程，模化亚网格量，封闭滤波方程，求解滤波方程。

In the meanwhile, deregulating banks control and investing more in technology also contribute to its optimal scale. On the other hand, both banks have collective scope economies.

从时间趋势上来看，各银行的规模经济数值变化不大，这反映了对银行管制的放松和银行业技术进步使银行业的最优规模随时间而增加。

Virtual prototype technology is a new product development method, which is the digitalized design method based on computer modules of products.

虚拟样机技术是一种崭新的产品开发方法，一种基于产品计算机建模的数值设计方法。

In this study,experiments and numerical simulation on the process and mechanism of the water mist fire extinguishing are carried out.

为此，对细水雾抑制火灾的过程和机理进行了实验研究和数值模拟，以促进细水雾灭火技术的发展

The precision forging process of double frustums sucker rod and its key process technology are researched in this paper by the way of numerical simulation and experimental study.

本文采用数值模拟和实验研究相结合的方法，对双圆台抽油杆精锻成形工艺及其关键技术进行研究。

Taking the accurate analysis on the joggling region of a connecting rod bolt as an example, the accurate analysis of numerical simulation on complex structures is done combing with the functions and features of ANSYS submodel technology.

以连杆螺栓啮合区域的精细分析为例，结合ANSYS子模型技术的功能特点，进行复杂结构数值模拟的精细分析。

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。