Journal of Mechanical Science and Technology

, Volume 19, Issue 7, pp 1405–1413 | Cite as

Statistical approach to analyze vibration localization phenomena in periodic structural systems

  • Sang Ha Shin
  • Se Jung Lee
  • Hong Hee Yoo


Malfunctions or critical fatigue problems often occur in mistuned periodic structural systems since their vibration responses may become much larger than those of perfectly tuned periodic systems. These are called vibration localization phenomena and it is of great importance to accurately predict the localization phenomena for safe and reliable designs of the periodic structural systems. In this study, a simple discrete system which represents periodic structural systems is employed to analyze the vibration localization phenomena. The statistical effects of mistuning, stiffness coupling, and damping on the vibration localization phenomena are investigated through Monte Carlo simulation. It is found that the probability of vibration localization was significantly influenced by the statistical properties except the standard deviation of coupling stiffness.

Key Words

Vibration Localization Periodic Structures Largest Frequency Response Amplitude Statistics Probability Monte Carlo Simulation 


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Copyright information

© The Korean Society of Mechanical Engineers (KSME) 2005

Authors and Affiliations

  1. 1.Graduate SchoolHanyang UniversitySeoulKorea
  2. 2.School of Mechanical EngineeringUniversity of SeoulSeoulKorea
  3. 3.School of Mechanical EngineeringHanyang UniversitySeoulKorea

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