光弹

We use Finite Element Method to simulate the isoclinic and isochromatic patterns of photoelasic experiments and the fringes while the secondary principle stress varies along the path of light and the secondary principle direction fixed.

以有限元素模拟光弹应力分析中，散射式光弹中沿光通过路径其次主应力方向改变之条纹影像。

In this paper, the fundamental principle of dynamic photoelasticity is introduced.

介绍了动光弹的基本原理，并从理论上回答了动光弹应用中的一些问题，如惯性力可否忽略等。

Three-dimensional digital photoelasticity can be used widely in engineering field and the field of application is widened.

这说明三维数字光弹法可以应用到工程测试中，为扩展数字光弹性法发展的空间奠定了基础。

The fundamental principle of dynamic photoelasticity is introduced, and some problems about its application, such as the applicability of stress-optics law, and whether or not to neglect the inertia force, are answered theoretically.

介绍了动光弹的基本原理，并从理论上回答了动光弹应用中的一些问题，如应力光学定律的适用范围，惯性力可否忽略等。

The principles of dynamic photoelasticity are explained, with commonly-used experimental equipment described.

介绍动光弹基本原理和常用的实验装置，阐述动光弹应用于爆破理论研究的手段，总结出主应力分离的几种方法，综述目前国内动光弹技术的主要研究方向。

The UV-26 infrared flare consists of a container on each wingtip with 64 flares.

UV-26红外拽光弹包含有在两个翼尖上携带的64枚拽光弹。

A new kind dynamic photoelastic is constructed which includes high-speed photography system and digital image processing system.

本文改进了传统动光弹试验装置，引入高速摄影系统和数字光弹图像处理系统，组成了一种新型动光弹试验系统。

This epoxy-optical model of unilateral maxillary defects with high sensitivity and visual acuity could well meet the demand of the photoelastic experiments.

建立的单侧上颌骨缺损的环氧树脂光弹模型光学灵敏度高，直观性强，能很好的满足光弹实验的要求。

We can acquire the locutions of points with the same principle stress direction and the principle stress difference through the photoelastic experiments These data are the important parameters in photoelastic stress analysis.

我们可以透过光弹实验得到具相同主应力方向点的轨迹，与相同主应力差值点之轨迹，此两组数据为光弹应力分析中之重要参数。

In order to improve the resolution and accuracy of 3-D seismic exploration, a novel type of three-component photoelastic fiber optic accelerometer is designed.

为提高三维地震勘探的分辨率和精度，设计了一种新型的三分量光弹光纤加速度传感器，对加速度的敏感由光弹晶体、质量块、复合臂弹簧片构成的弹性系统实现。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。