de Oliveira, Luis C.Martins, Caroline G. L.Roberto, M.Caldas, I. L.Egydio de Carvalho, R. [UNESP]2013-09-302014-05-202013-09-302014-05-202012-12-15Physica A-statistical Mechanics and Its Applications. Amsterdam: Elsevier B.V., v. 391, n. 24, p. 6611-6616, 2012.0378-4371http://hdl.handle.net/11449/24928In general the term "Lagrangian coherent structure" (LCS) is used to make reference about structures whose properties are similar to a time-dependent analog of stable and unstable manifolds from a hyperbolic fixed point in Hamiltonian systems. Recently, the term LCS was used to describe a different type of structure, whose properties are similar to those of invariant tori in certain classes of two-dimensional incompressible flows. A new kind of LCS was obtained. It consists of barriers, called robust tori that block the trajectories in certain regions of the phase space. We used the Double-Gyre Flow system as the model. In this system, the robust tori play the role of a skeleton for the dynamics and block, horizontally, vortices that come from different parts of the phase space. (C) 2012 Elsevier B.V. All rights reserved.6611-6616engRobust toriLagrangian coherent structuresDouble-gyre flowNonlinearitiesArtigo10.1016/j.physa.2012.07.060WOS:000309626900037Acesso restrito