查询词典 thermal element

This paper presents a finite element analysis model of the thermal tensioning technique.

这份文件提出了有限的因素分析模型热tensioning技巧。

Keywords : ball screw; temperature field; thermal distortion; numerical simulation; finite element

中文关键词：滚珠丝杠；温度场；热变形；数值模拟；有限元法

The thermal distortions of mirror substrates with such materials as silicon, copper, tungsten and beryllium oxide are calculated and analyzed by use of finite element methods.

利用有限元方法数值模拟了单晶硅、铜、钨、氧化铍等镜体材料的热畸变特性。

In addition, the stress/strain responses of lead-free Flip Chip on Board under packaging process and thermal cycling was simulated with finite element method.

利用有限元仿真的方法，模拟了无铅倒装封装器件封装的工艺及可靠性测试。

Thermal power engineering ; Fluidized bed ; Coal combustion ; Discrete element method ; Numerical simulation

热能动力工程；流化床；煤燃烧；离散单元法；数值模拟

Based on finite element theories,the electric-thermal-structure coupled model of resistance spot welding with dome-shaped electrode was built.

基于有限元理论建立了球形电极电阻点焊过程的电热力耦合模型，以ANSYS软件为平台分析了点焊的预压以及熔核的形成、长大及断电冷却过程。

By using thermal-stress coupling function of the large finite element method software ABAQUS, a numerical simulation of temperature field and stress field of flange plate in working was made.

为分析此密封结构的可靠性，利用有限元分析软件ABAQUS的热–力耦合功能，对工作过程中法兰盖板的温度场和应力场进行了数值模拟。

The interfaces between Al2O3 film and Al-alloy substrate are supposed to be in a perfect state, and the flaw effect in Al2O3 film is also ignored. A finite element software (ANSYS 8.0) has been adopted to analyze the thermal flections distortion of Al2O3 films with (5-30)μm thickness.

假设薄膜和基体界面处于理想结合状态下，且不考虑薄膜中缺陷的影响，采用有限元软件(ANSYS 8.0)分析了(5~30)μm厚氧化铝薄膜／铝合金基体系统中的热屈曲变形。

In order to improve its performance, a finite element technology was employed for friction disk coupling heat stress. Based on the established physical model of heat conduction in engaging process of clutch , the finite elements were analyzed to acquire the temperature distribution and heat distribution of friction disk under thermal loads.

为了提高离合器的工作性能，采用有限元技术对离合器摩擦片进行了热应力耦合分析，基于所建立的离合器接合过程中的热传导物理模型，进行了有限元分析，并得到了热载荷下摩擦片的温度分布以及应力分布情况。

According to the property of EBB, scanning electron beam was considered as plane heat source instead of spot heat source in this paper. Aiming at the problems to measure the real-time temperature and residual stress of radiator difficultly at high temperature, the two-dimensional finite element models were established. Based on the thermal elastic-plasticity, the temperature fields and stress fields of EBB 6139T and 6204T radiator by two kinds of process were simulated by the software of ANSYS. It is of great value and significance to guide actual production.

本文根据电子束钎焊的特点，将电子束点热源转化为扫描加热时的面热源，针对散热器高温下温度实时测量和残余应力实测困难这一问题，建立了二维有限元模型，以热—弹塑性理论为基础，利用ANSYS软件对6139T和6204T散热器分别按两种电子束钎焊工艺钎焊的温度场和应力场进行了数值模拟，对于指导实际的生产具有重要的价值和意义。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。