The influence of a transversal crack on rotor nonlinear transient response

被引：0
|
作者：
Luis M. Palacios-Pineda
Julio C. Gómez-Mancilla
Oscar Martínez-Romero
Alex Elías-Zúñiga
机构：
[1] Tecnologico de Monterrey,Escuela de Ingeniería y Ciencias
[2] Instituto Tecnológico de Pachuca,División de Estudios de Posgrado e Investigación
[3] Instituto Politécnico Nacional,Laboratorio de Vibraciones y Rotodinámica, Escuela Superior de Ingeniería Mecánica y Eléctrica
[4] Unidad Profesional Adolfo López Mateos,undefined
来源：
Nonlinear Dynamics | 2017年 / 90卷
关键词：
Cracked rotor; Largest Lyapunov exponent; Overshooting; Transient analysis;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In the present study, the overshooting vibrational amplitude in transient response of a cracked rotor is calculated and experimentally validated. A Jeffcott rotor model that includes a nonlinear breathing mechanism is considered and to be validated by experimental data. Furthermore, a nonlinear stability analysis is performed via Lyapunov largest exponent to correlate the overshoot value and the observed rotor behavior. It is concluded that numerical results obtained from the enhanced Jeffcott rotor model that includes a nonlinear restoring force tend to describe well experimental data, and the system overshooting is sensitive to rotor cracks.
引用
收藏
页码：671 / 682
页数：11
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