DIGITAL DYNAMIC PHOTOELASTICITY

被引：7

作者：

ASUNDI, A

SAJAN, MR

机构：

[1] Department of Mechanical Engineering, University of Hong Kong, Hong Kong

来源：

OPTICS AND LASERS IN ENGINEERING | 1994年 / 20卷 / 02期

关键词：

D O I：

10.1016/0143-8166(94)90022-1

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A new experimental system for dynamic photoelasticity is presented. The technique makes use of a pulsed diode laser and a digital scanning camera and is suitable for repeatable dynamic photoelastic experiments. The experimental arrangement is rather simple and less tedious compared to the conventional wet film processing techniques. The digital recording makes it possible to repeat the experiments at a faster rate and displays the recorded pattern instantaneously. The capability of the system is demonstrated by recording dynamic photoelastic patterns from a simply supported beam after loading with a steel ball impacting at the midpoint between the supports.

引用

页码：135 / 140

页数：6