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http://dx.doi.org/10.22156/CS4SMB.2021.11.03.132

Response Characteristics of Forced Vibration of High Damping Vehicle Passing the Bumped Barrier  

Kim, Jong-Do (Industry Academic Cooperation Foundation, Jungwon University)
Yoon, Moon-Chul (Department of Mechanical Design Engineering, Pukyung National University)
Publication Information
Journal of Convergence for Information Technology / v.11, no.3, 2021 , pp. 132-139 More about this Journal
Abstract
The response characteristics of the forced vibration generated when the high-damped vehicle pass the bumped barrier was studied, and in particular, the response behavior of displacement, velocity and acceleration was analyzed for the forced vibration model. In addition, in order to obtain responses such as displacement, velocity, and acceleration, a numerical analysis technique of the Runge-Kutta-Gill method was performed in time domain. The response was successfully obtained in detail under several high damping conditions. As a numerical analysis result, the response of the vehicle was obtained by considering the vehicle body to which the impulse impact was applied. Also, the analysis result was compared with the experimental result in order to verify the validity of vehicle model. The amplitude and natural frequency of the vehicle were considered and analyzed. The Nyquist diagram of the vehicle model was also obtained and the relationship could be analyzed. And the vibration response was analyzed on different mass, damping and stiffness.
Keywords
Acceleration signal; Damping ratio; Natural frequency; Vehicle vibration; Impact force;
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