Nonlinear Mechanical Oscillations

Nonlinear energy transfers in mechanical systems

  • A. Blanchard, T. Sapsis, A. Vakakis, Non-reciprocity in nonlinear elastodynamicsJournal of Sound and Vibration412 (2018) 326-335. [pdf]
  • O. Gendelman, T. Sapsis, Energy exchange and localization in essentially nonlinear oscillatory systems: Canonical formalismASME Journal of Applied Mechanics84 (2017) 011009 (9 pages). [pdf]
  • T. Sapsis, D. Quinn, A. Vakakis, & L. Bergman, Effective stiffening and damping enhancement of structures with strongly nonlinear local attachmentsASME Journal of Vibration & Acoustics134 (2012) 011016 (12 pages). [pdf]
  • T. Sapsis, A. Vakakis, & L. Bergman, Effect of stochasticity on targeted energy transfer from a linear medium to a strongly nonlinear attachmentProbabilistic Engineering Mechanics26 (2011) 119-133. [pdf]
  • O. Gendelman, T. Sapsis, A. Vakakis, L. Bergman, Enhanced passive targeted energy transfer in strongly nonlinear mechanical oscillatorsJournal of Sound and Vibration330 (2011) 1-8. [pdf]
  • T. Sapsis & A. Vakakis, Subharmonic orbits of a strongly nonlinear oscillator forced by closely spaced harmonicsJournal of Computational and Nonlinear Dynamics6 (2011) 011014 (10 pages). [pdf]
  • T. Sapsis, A. Vakakis, O. Gendelman, L. Bergman, G. Kerschen, & D. Quinn. Efficiency of targeted energy transfers in coupled nonlinear oscillators associated with 1:1 resonance captures: Part II, analytical studyJournal of Sound and Vibration325 (2009) 297-320. [pdf]
  • D. Quinn, O. Gendelman, G. Kerschen, T. Sapsis, L. Bergman, & A. Vakakis. Efficiency of targeted energy transfers in coupled nonlinear oscillators associated with 1:1 resonance aaptures: Part IJournal of Sound and Vibration311 (2008) 1228-1248. [pdf]

Energy harvesting

  • M. Haji, J. Kluger, T. Sapsis, A. Slocum, A symbiotic approach to the design of offshore wind turbines with other energy harvesting systemsOcean Engineering Journal169 (2018) 673-681. [pdf]
  • M. Haji, J. Kluger, J. Carrus, T. Sapsis, A. Slocum, Experimental investigation of hydrodynamic response of an ocean uranium extraction machine attached to a floating wind turbineInternational Journal of Offshore and Polar Engineering28 (2018) 225-231. [pdf]
  • H. -K. Joo, T. Sapsis, A moment-equation-copula-closure method for nonlinear vibrational systems subjected to correlated noiseProbabilistic Engineering Mechanics46 (2016) 120-132. [pdf]
  • J. Kluger, T. Sapsis, A. Slocum, Robust energy harvesting from walking vibrations by means of nonlinear cantilever beamsJournal of Sound and Vibration341 (2015) 174-194. [pdf]
  • H.-K. Joo, T. Sapsis, Performance measures for single-degree-of-freedom energy harvesters under stochastic excitationJournal of Sound and Vibration313 (2014) 4695-4710. [pdf]
  • K. Remick, H.-K. Joo, D.M. McFarland, T. Sapsis, L. Bergman, D.D. Quinn, A. Vakakis, Sustained high-frequency energy harvesting through a strongly nonlinear electromechanical system under single and repeated impulsive excitationsJournal of Sound and Vibration333 (2014) 3214-3235. [pdf]
  • K. Remick, A. Vakakis, L. Bergman, D. M. McFarland, D. D. Quinn, T. Sapsis, Sustained high-frequency dynamic instability of a nonlinear system of coupled oscillators forced by single or repeated impulses: Theoretical and experimental resultsASME Journal of Vibration & Acoustics136 (2013) 011013 (15 pages). [pdf]