Uncovering the Lagrangian skeleton of turbulence.

@article{Mathur2007UncoveringTL,
  title={Uncovering the Lagrangian skeleton of turbulence.},
  author={Manikandan Mathur and George Haller and Thomas Peacock and Jori E Ruppert-Felsot and Harry L. Swinney},
  journal={Physical review letters},
  year={2007},
  volume={98 14},
  pages={144502}
}
We present a technique that uncovers the Lagrangian building blocks of turbulence, and apply this technique to a quasi-two-dimensional turbulent flow experiment. Our analysis identifies an intricate network of attracting and repelling material lines. This chaotic tangle, the Lagrangian skeleton of turbulence, shows a level of complexity found previously only in theoretical and numerical examples of strange attractors. We quantify the strength (hyperbolicity) of each material line in the… CONTINUE READING

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