Response of a SDOF System with an Inerter-Based Tuned Mass Damper Subjected to Non-stationary Random Excitation

  • Abdollah Javidialesaadi
  • Nicholas E. WierschemEmail author
Conference paper
Part of the Conference Proceedings of the Society for Experimental Mechanics Series book series (CPSEMS)


Inerter-based tuned mass dampers (TMDs) have been developed recently with the goal of improving upon the performance of traditional TMDs. However, studies investigating the response of single-degree-of-freedom (SDOF) systems with inerter-based TMDs have been primarily limited to ones considering harmonic loads and stationary random excitation. Various relevant random loads have non-stationary characteristics (their frequency contents and/or amplitude change with time); therefore, these load types should be considered in the design of inerter-based TMDs. This paper presents an investigation to evaluate the mean squared response of SDOF systems with inerter-based TMDs that are subjected to a random non-stationary excitation. The non-stationary excitation considered is an evolutionary spectrum of the ground acceleration. The results of this study are used to determine the influence of the non-stationary excitation on the optimal damper properties in comparison to designs considering a stationary process.


Passive control Non-stationary excitation Rotational inertia damper Tuned mass damper 


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Copyright information

© Society for Experimental Mechanics, Inc. 2020

Authors and Affiliations

  • Abdollah Javidialesaadi
    • 1
  • Nicholas E. Wierschem
    • 1
    Email author
  1. 1.Department of Civil and Environmental EngineeringThe University of Tennessee KnoxvilleKnoxvilleUSA

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