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    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/048/04/0871-0882

    • Keywords

       

      Chaos; Lyapunov exponents; fractal measures; time series; Kolmogorov-Sinai entropy; plastic flow

    • Abstract

       

      We report new results on a dynamical model of serrated yielding. These essentially pertain to the full spectrum of Lyapunov exponents of the non-linear (chaotic) model and fractal characterization of the associated strange attractor. The power spectrum of scalar time series extracted from the phase space trajectories decays exponentially with increase of frequency and the decay constant is found proportional to the Kolmogorov-Sinai entropy.

    • Author Affiliations

       

      S V M Satyanarayana1 V Sridhar1 S Koka1

      1. Materials Science Division, Indira Gandhi Centre for Atomic Research, Kalpakkam - 603 102, India

    • Dates

       
      Published
      April 1997
      Manuscript received
      23 May 1996
      Manuscript revised
      30 December 1996

  • Pramana – Journal of Physics | News

    • Editorial Note on Continuous Article Publication

      Posted on July 25, 2019

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