数值的

Numerical method is presented by using singular value decomposition and an example is given.

应用奇异值分解，给出了结构模型修正的数值方法，并进行了数值实验。

Simulation results of initial hole included the relationship of punch load and punch stroke, the hole profile, the distribution of stress and strain, the forming limit diagram, and the variation of the workpiece thickness. The simulation results showed good agreement with the experiments in the bore-expanding process.

由初始孔径4mm之料片於扩孔成形之数值模拟与实验结果比较得知，冲头负荷与冲程关系、内孔轮廓大小、应力与应变分布、成形极限图与工件厚度分布等，皆显示实验与数值模拟间的一致性。

Made the numerical simulations and experimental verification to the flow characteristics of J90 supercharge compressor using numerical simulation method.

采用数值模拟方法，对 J90增压器压气机内的流动和特性进行了数值模拟和实验验证。

The calculated results match the test results.The numerical calculation has some significance to this equipment's design and improvement.

数值计算与测试结构相符，说明数值计算对此类设备的设计和改进有一定指导意义

A model for predicting aerodynamic stability of axial compressor in turbojet or turbofan engine is presented.

本文介绍一种模拟发动机压缩系统气动稳定性的数值模型和数值方法，并给出3个算例及其分析。

An interpolation method to simulate fluid field numerically is advanced inthe light of general wavelet sampling theory. A number of properties areidentified: easy design, fast speed, high precision, no numerical viscid and wideapplication.

利用一般的小波采样定理，给出一个流场的数值模拟插值方法，该方法最大优点是设计思想简单，速度快，精度高，没有数值粘性，适用范围广。

The static aerodynamic characteristics of the projectile are computed using the software of CFD, the results of the numerical simulation are agreement with the engineering calculation, this verifies that the results of the static aerodynamic characteristics of WAF from engineering calculation are satisfactory.

应用CFD软件对弹静态气动特性进行数值计算，数值计算结果与工程估算结果吻合较好，说明卷弧翼的静态气动特性可以通过平板翼进行估算。

Based on FLUENT, which is a numerical experimental plat, numerical simulation research was undertook to study the gas-solid phases flow characteristic of low NOx deflectable deposited perimeter air combustion burner and its application on large scale power plant boiler.

本文基于FLUENT数值试验平台，对低NOx偏置周界风燃烧器气固两相流动特性以及在大型电站锅炉中的应用进行了数值试验研究。

The mean frequencies of disomic sperms for chromosome 1 and 18 in exposed group(0.088% 0.041%,and 0.087% 0.049%,respectively) were statistically increased over that of the control group(0.045% 0.024%,and 0.053% 0.028%),and the mean frequencies of nullisomic sperms for chromosome 1 and 18(0.11% 0.059%,0.075% 0.035%) in exposed group were statistically increased over that of control group too(0.048% 0.018%;0.045% 0.024%).

结构畸变测定结果：暴露组1号染色体的末端重复率、末端缺失率（分别为0.16% 0.037%，0.14% 0.053%）显著高于对照组数值(分别为0.082% 0.023%，0.069% 0.028%)；暴露组1号染色体着丝粒重复率及着丝粒缺失率(0.10% 0.035%，0.10% 0.041%)显著性高于对照组相应数值(分别为0.075% 0.023%，0.060% 0.029%)。

Based on analysis of the current state of the flow pattern modeling abroad and at home, explains the meaning of the mathematical simulation of the flows in the valve.(2) Comparing flow simulation data of jet pump with its experimental one, the feasibility and reliability of FLUENT used for flow simulation are proved.(3) Based on the characteristic of valves, the fluid field analysis of specific ring-spray type flow-adjustable is finished. The valve structure is optimized to meet the need, which makes it have such advantages:(1)smaller vortex area and faintish vortex intensity, so the vibration of vortex is controlled effectively;(2)the pressure is distributed more equality, the transition area is larger.

论文的主要内容包括：(1)简述了阀门研究的现状与发展，在分析与总结国内外流体流动模拟研究的基础上，探讨开展阀门内水流运动数值模拟的意义；(2)对特定型号的射流泵进行了内部流场的数值模拟研究，并与实验数据相比较，验证了应用Fluent进行数值模拟的可行性和可靠性；(3)针对调流阀的特点，对特大口径环喷式流量调节阀进行流场计算，其设计指导思想如下： 1、控制旋涡，减小旋涡区，减小涡的强度； 2、控制压力分布，使阀体受力更均匀，改善局部应力状态，提高阀门使用的安全性； 3、最小绝对压力高于水的汽化压力，不产生汽蚀。

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。