FREE AND FORCED LONGITUDINAL VIBRATIONS OF A CANTILEVERED BAR WITH A CRACK

被引：37

作者：

COLLINS, KR

PLAUT, RH

WAUER, J

机构：

[1] Charles E. Via, Jr. Department of Civil Engineering, Virginia Polytechnic Institute, State University, Blacksburg, VA

[2] Institut für Technische Mechanik, Universität Karlsruhe, Karlsruhe 1

来源：

JOURNAL OF VIBRATION AND ACOUSTICS-TRANSACTIONS OF THE ASME | 1992年 / 114卷 / 02期

关键词：

D O I：

10.1115/1.2930246

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Longitudinal vibrations of a cantilevered bar with a transverse crack are investigated. For undamped, unforced vibrations, frequency spectra are computed and the effects of the crack location and compliance on the fundamental natural frequency are determined. For vibrations caused by a distributed, longitudinal, harmonic force, the steady-state amplitude of motion of the free end is plotted as a function of the forcing frequency, crack location, and crack compliance, and frequency spectra are also obtained. Results for a breathing crack are compared to those for a crack which remains open and those for an uncracked bar.

引用

页码：171 / 177

页数：7

共 19 条

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