DEVELOPMENT OF A HIGH-SPEED VIDEO CAMERA AND MEASUREMENT OF STRAIN RATE DISTRIBUTION UNDER PROPAGATION OF A STRESS WAVE

被引：1

作者：

MORIMOTO, Y ^{[1
]}

SEGUCHI, Y ^{[1
]}

YAMASHITA, M ^{[1
]}

机构：

[1] HOKURIKU ELECT POWER CO INC,TOYAMA 93022,JAPAN

来源：

JSME INTERNATIONAL JOURNAL SERIES I-SOLID MECHANICS STRENGTH OF MATERIALS | 1991年 / 34卷 / 01期

关键词：

EXPERIMENTAL STRESS ANALYSIS; STRESS WAVE; MEASUREMENT; IMAGE PROCESSING; HIGH-SPEED VIDEO CAMERA; FOURIER TRANSFORM; GRID METHOD;

D O I：

10.1299/jsmea1988.34.1_37

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In order to study high-speed deformation of materials, a high-speed digital video camera has been developed by using a new MOS-type solid-state image sensor. The frame speed is controlled by a personal computer, and the maximum frame speed is 300 000 frames/s. The digital image taken by the high-speed video camera is analyzed by an image-processing system using a personal computer. In order to analyze the strain rate distribution, a new grid method using Fourier transform is developed. Through the use of this method, displacement, strain, velocity and strain rate distributions in a rubber tube in which an unloading wave is propagated are analyzed.

引用

页码：37 / 43

页数：7

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