Experimental Verification of a Method of Detection of Crack in Taper and Segmented Beams Based on Modelling of Transverse Vibration

被引：3
|
作者：
T.D. Chaudhari
S.K. Maiti
机构：
[1] IIT Bombay,Department of Mechanical Engineering
[2] IIT Bombay,Department of Mechanical Engineering
来源：
International Journal of Fracture | 2000年 / 102卷 / 2期
关键词：
Differential Equation; Mechanical Engineer; Civil Engineer; Maximum Error; Cantilever Beam;
D O I：
10.1023/A:1007680215355
中图分类号：
学科分类号：
摘要：
In this note a method for prediction of location and size of a crack based on measurements of natural frequencies has been verified experimentally considering taper and segmented cantilever beam geometries. The analysis is based on the concept of a rotational spring to represent the crack section and the Frobenius method to solve differential equation with variable coefficients. The crack size is computed using a relation between stiffness and crack size. The maximum error in predicting the crack locations is 8%. The maximum error in predicting the crack size is 20%.
引用
收藏
页码：33 / 38
页数：5
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