Splitting of Strain Solitons upon Their Interaction in the Auxetic Rod

  • Vladimir I. ErofeevEmail author
  • Vladimir V. Kazhaev
  • Igor S. Pavlov


The problem of longitudinal wave propagation in a rod made from an auxetic material is considered. It is shown that a negative Poisson’s ratio leads to a qualitatively different (anomalous) dispersion behavior of linear waves. Accounting for geometric and physical elastic nonlinearities leads to the possibility of generating in a rod of stationary strain waves of a substantially non-sinusoidal profile—solitons and their periodic analogues. By means of numerical simulation it is shown that qualitatively different scenarios of interaction of solitons depend on the relative collision velocity.



The research was carried out under the financial support of the Russian Scientific Foundation (Project No. 14-19-01637).


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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Vladimir I. Erofeev
    • 1
    Email author
  • Vladimir V. Kazhaev
    • 1
  • Igor S. Pavlov
    • 1
  1. 1.Mechanical Engineering Research Institute of the Russian Academy of SciencesNizhny NovgorodRussia

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