光弹性

光弹性测定应力强度因子K1的双参数面积法

A Biparametric Area Method for Determining Stress Intensity Factors K_1 by Photoelasticity

对利用三维光弹性试验数据计算应力强度因子KI，提出一种新的算法&综合法。

A synthetic method to calculate stress intensity factor KI by use of the data obtained in the experiment of three dimensional photoelasticity is developed in this paper .

C型试样应力强度因子的光弹性研究

Photoelastic Studies on Stress Intensity Factors for C-specimens

基于BP神经网络的彩色光弹性等色线自动定级法

Automatic ordering of color isochromatics based on BP neural network

用光弹性方法求解应力强度因子KⅢ

Photoelastic Determination of stress intensity factor K _ ⅲ

拱形三点弯曲试样应力强度因子KI的光弹性测定

The Photoelastic Determination of Stress-Intensity Factors K_I for Arch Three Point Bending Specimens

用光弹性贴片法确定柴油机曲轴应力强度因子K1

An Investigation on Photoelastic Coating Method for Determination of Stress Intensity Factor K_1 in Diesel Crankshaft

光弹性法研究受内压薄壁球形容器内表面裂纹应力强度因子KⅠ

Study of stress intensity factor k_i for internal surface cracks in pressurized thin spherical shell using frozen stress photo-elastic method

光弹性Jones矩阵分析

Jones Matrix Analysis of Photoelastic Principle

本文介绍用光弹性贴片法测试正交各向异性单向板混合型应力强度因子KⅠ、KⅡ值。

A method of determination of mixed mode stress intensity factors K ⅰ and K ⅱ for orthotropic single direction plate by photoelastic coating is introduced .

利用这些图谱以及全息光弹性试验所获得的远场等和线与等差线条纹，就能确定裂纹尖端的应力强度因子KⅠ，KⅡ。

By using the data of isopachic and isochromatic fringe patterns taken from the far-regin , the mixed mode stress intensity factors can be conveniently determinated .

利用光弹性实验条纹的颜色特征，结合MATLAB功能强大的图像处理工具箱对光弹实验所得图像进行了处理.试验采用单因子随机设计方案。

By using color character of photo-elastic image , the powerful image processing tools of MATLAB program are employed to extract experiment image in the paper .

本文简要地论述了Jones矩阵运算的基本概念和它在光弹性方面的应用。

The basic concepts of Jones matrices ( Jones calculus ) and its applications to photoelasticity are discussed in this paper .

提高脊柱骨折水平复位力量对Harrington分离棒应力分布的影响&二维光弹性实验研究

Studys of Stress Distribution of Harrington Distraction Rod While Increasing Horizontal Correcting Forces to Injuried Spine by Photoelasticity

首先阐述了分析光弹性力学图象条纹的普遍有效方法，并利用光强I与图象条纹级数N之间的三角函数关系，推导出象素点灰度Z与条纹级数N对应关系式，从而得到力学参数。

Using the trigonometric function relation-ship between the light intensity / and the image fringe order N , the equations of the fringe order N on brightness Z are deduced , and the mechanical parameters are thus obtained .

通过测量得到了薄膜拉伸形变过程中的光学延迟，经编程数据处理后得到了其双折射率随拉伸应力变化的规律，由此计算得到的PET的光弹性系数与文献报道的结果一致。

After the data processing with a Matlab program , the relationship between the birefringence and the stretching stress of the films was obtained , from which the stress-optical coefficient was calculated and it was well coincided with the reported result .

用π理论导出了辊类构件接触问题的相似准则，指出了在三维光弹性的模拟过程中由于相似关系Kμ≠1所产生的转换误差及修正后的准则的精确表达。

A similarity coefficient of contact issue of roll has been derived by π theory , of which the conversion error and a modified compensation method in simulation of three dimensions photoelastics are indicated as similarity coefficient K μ is not equal to one .

本论文对光纤布拉格光栅透射光谱和反射光谱进行了深入的实验研究，证明了光纤光栅的Bragg波长与温度之间在光弹性范围内具有很好的线性关系，其结果和理论值相吻合；

In this article , transmission and reflection spectra of fiber Bragg gratings are experimental studied deeply and carefully , and good linearity relation between Bragg wavelength and temperature is proved , and the experimental results is identical to theoretical value .

基于全光缓存器的光弹性分组交换环（O-RPR）是一种全光分组交换网络，能够克服目前RPR存在的电子瓶颈。

O-RPR based on all-optical buffer is a novel all-optical packet-switching network , which is a promising network because of overcoming bottleneck of traditional RPR .

应用影响函数法和弹性基础梁模型计算分析了HC轧机的辊间压力分布的特性以及中间辊抽动时辊间压力分布的变化规律，并用三维光弹性应力分析法进行了实验论证。

The characteristics of pressure distribution between rolls of HC mill and the variation regulations of the pressure distribution with axial displacement of middle roll have been calculated and analyzed by influence function method and elasticity basic beam model , and verified by three-dimensional photoelasticity stress analyzing test .

工程结构裂纹尖端应力强度因子（SIF）由于形状、荷载的复杂性及边界条件的不确定性，难以用解析法得到，数值计算也有困难，而光弹性法弥补了上述方法的不足。

In engineering structures , it is difficult to determine stress-intensity factor at crack tip with analytic method and sometime also difficult with numerical method because of complexity of shape and load as well as no determinability of boundary condition . However photoelastic method remedies these deficiencies .

应用光弹性方法研究颅骨在受力后的应力分布

Stress distribution on the skull a study by the photoelastic technic

作为试验研究我们用了三向光弹性技术。

For experimental investigation the three-dimensional photoelastic technique has been used .

模拟颅脑受撞击致伤时颅内应力的光弹性法测定

Measurement of shear stress in simulated human head by photoelastic method

岩石爆破光弹性损伤模型实验研究

Experiment Study on Damage Photoelastic Model of Rock Fragmentation by Blasting

波纹壳的光弹性贴片法应力测定

Measurement of stress distribution in corrugated tube by photoelastic coating method

沿等色线的平衡微分方程及其在光弹性问题中的应用

Differential equations of equilibrium along isochromatics and its application to Photoelasticity

有限长圆柱体接触应力的光弹性解法

Photoelastic Solution for the Contact Stresses of Two Length-limited Cylindrical Bodies

基于PC机的圆度自动测量仪研究光弹性等倾线自动测量仪

Research of Roundness Auto Measuring Instrument Based with Computer System Design

图象处理技术在散光光弹性实验力学中的应用

Application of Image Processing Techniques in Experimental Mechanics of Scattered Photoelasticity