Nonlinear Processes in Geophysics
Nonlinear Processes in Geophysics
NPG
Articles | Volume 22, issue 5
Articles | Volume 22, issue 5
https://doi.org/10.5194/npg-22-571-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/npg-22-571-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 22, issue 5
Brief communication
 | 
05 Oct 2015
Brief communication |  | 05 Oct 2015

A method to calculate finite-time Lyapunov exponents for inertial particles in incompressible flows

D. Garaboa-Paz and V. Pérez-Muñuzuri

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Short summary
The present study aims to improve the calculus of finite-time Lyapunov exponents (FTLEs) applied to describe the transport of inertial particles in a fluid flow. To this aim, the deformation tensor is modified to take into account that the stretching rate between particles separated by a certain distance is influenced by the initial velocity of the particles. Results are presented for two different flows and compared with the classical method by Shadden (2005).
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