瞬态

By analyzing the reason of the numerical oscillation phenomenon and computing the temperature field in plate rolling process,it is found that numerical oscillation can be restrained effectively when the heat capacity matrix is lumped by using backward difference scheme.

近年来，许多研究人员采用有限元法分析热轧和淬火等过程中的瞬态温度场。

For calculating the bare wire, the shielded wire and coaxial cable responses in X-ray environment, Holland thin wire model, transmission line model and the results of test were used.

应用Holland细线模型和时域传输线模型，并结合实验结论，对裸线、带保护层导线以及同轴电缆3种线缆的瞬态响应进行了数值研究。

For purpose of calculating the bare wire and shielded wire responses in X-ray environment,Holland thin wire model and TL model were used respectively. The effect of wire load,radius,X-ray energy and medium layer thickness on the responses were discussed based on the results of test.

针对裸线和带保护层导线两种不同的物理结构，分别应用Holland细线模型和时域传输线模型，结合实验结论，计算了负载大小、导线半径、X射线能量以及保护层厚度等对导线X射线瞬态响应的影响。

Based on three dimensional transient heat conduction equation and elastic stress-strain equation, the temperature rise, distortion and equivalent stress distribution of white bijou window irradiated by high power annular beam (λ=1.315 μm) are simulated using a three dimensional finite element model.

基于三维瞬态热传导方程和弹性应力－应变方程，研究了空心环形强激光束（波长1.315μm）辐照下白宝石窗口温度、变形和应力的分布规律；研究了空心矩形强激光束（波长3.8μm）辐照下氟玻璃窗口温度、变形和应力的分布规律。

Two measurement systems were established to measure theparameter of blast wave as well as transient high temperature in explosion.

中文摘要：本文研究了爆炸危险源对人员和建筑物等目标的毁伤威力，并建立了一套冲击波参数采集系统和一套瞬态高温测量系统。

To further improve stability and transient response of these devices larger values of output capacitor can be used.

为了进一步提高这些装置的稳定性和输出电容值越大瞬态响应都可以使用。

According to the structural intensity model of the Hybrid Extend-range Projectile at the first critical state, in order to validate the structural intensity of the pill at the first critical state, This paper analyses the transient process of cartridge case, rammer, gasket squashing in bore in detail.

本论文结合科研项目，主要通过建立复合增程榴弹在第一临界状态时的结构强度动力学模型，对弹体、弹带、药柱和垫板在相应的冲击挤进过程进行了瞬态有限元分析，校核了弹丸在第一临界状态时的结构强度。

During the process of numerical approximations, the difference formula of time transient terms, and the central/upwind difference expressions for acquiring boundary value are chosen.

在方程离散过程中，给出了时间瞬态项的差分格式以及求解边值的中心和上风差分格式。

Therefore, this thesis simulates and analyzes the transient character of the horizontal steam generator.

本文对卧式蒸汽发生器进行了瞬态仿真研究和分析。

To determine the nature of the transient response, we need to know the location in the s plane of the roots of the characteristic equation.

为确定瞬态响应的特性，我们有必要知道系统特征方程根在s平面的位置。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。