查询词典 photoelastic

Okubo,the stress distribution in a circular disk maked of fiber-reinforced photoelastic composite under diametrical compression is investigated.

本文根据Okubo的各向异性分析，对纤维增强光弹性复合材料制成的对径受压圆盘进行了研究，在此基础上提出了采用一个对径受压圆盘测定光弹性复合材料三个条纹值f_L、f_T、f_

The Photoelastic Modulation Ellipsometer is used to measure an artificial circular polarizer, which is a combination of a linear polarizer and a retarder.

在本论文中选用了商业圆偏光片为样品，圆偏光片是由具双折射的1/4λ补波片及线性偏极片两种材料组成。

In this paper, photoelastic coating method and strain-gauging method were used conjointly to study the stress distribution of the column of cross wedge rolling machine. The result of study deepened the understanding of this complicated problem and there is certain reference value on improving the stress distribution of the column.

本文利用光弹性贴片法，辅以电阻应变片法，对楔横轧机机架模型的应力分布规律进行了研究，研究结果深化了对这一复杂问题的认识，得到了一些有价值的结论，对于采用合理设计来改进机架的应力分布也有一定的参考价值。

There are fourteen chapters, including introduction, plane stress and plane strain, two-dimensional problems in rectangular coordinates, two-dimensional problems in polar coordinates, photoelastic and moire experimental methods, two-dimensional problems in curvilinear coordinates, analysis of stress and strain in three dimensions, general theorems, torsion, bending of bars, axisymmetric stress and deformation in a solid of revolution, thermal stress, the propagation of waves in elastic solid media, at last there is an appendix on the application of finite-difference equations in elasticity.

全书共十四章，包括绪论、平面应力和平面应变、直角坐标中的二维问题、极坐标中的二维问题、光弹性与云纹实验方法、曲线坐标中的二维问题、三维应力和应变问题、一般定理、简单的三维弹性问题、扭转、杆的弯曲、回转体中的轴对称应力和变形、热应力、弹性固体介质中波的传播，最后有一附录，讲述差分方程在弹性理论中的应用。

Key words: hemisection; Photoelastic experiment; stress analysis

关键词］半切术；光弹性试验；应力分析

This paper describes an application of image holographic method to the photoelastic stress analysis.

本文介绍了图像全息法在光弹性应力分析中的应用。

In photoelastic stress analysis, the accuracy of analysis can be improved by using fractional isochromatic fringes, so it is very important to study the approach for producing fractional fringes.

在光弹应力分析中，利用分数级条纹可以提高分析精度，于是，产生分数级条纹的方法研究就变得非常重要。

In automatic acquisition and procession of the photoelastic data, there are some troubles about how to acquire single isoclinics and to improve the precision of evaluating isochromatic fringe orders in the thin slice of the three-dimension model when the actual problems are solved by photoelasticity.

中文题名彩色域数字光弹性中数据采集技术的应用研究副题名外文题名 Data acquisition techniques in color-field digital photoelasticity 论文作者雷振坤导师云大真学科专业固体力学研究领域\研究方向学位级别博士学位授予单位大连理工大学学位授予日期2002 论文页码总数168页关键词光弹性法图像处理数据采集彩色图像处理数字光弹性馆藏号BSLW /2003 /O348 /5 用光弹性实验处理实际问题时，在数据自动采集与处理中，如何获得单纯等倾线的问题仍是一大难点，此外就是如何进一步提高三维冻结模型薄切片的等色线定级精度问题也比较困难。

And by using photoelastic and thermal photoelastic method, the experiment and research is made.

为提高连铸机拉矫辊的使用寿命，提出了新型复合式拉矫辊结构，在对其应力分析的基础上，进行了结构尺寸优化设计，并进行了光弹及热光弹性实验研究。

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。

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。