Fig. 11.

Classical model for time T = [0, 1570]. Top: FTLE field and strainlines in black. Centre: FTLE field and heteroclinic orbits for the second intersection of the {x = 0, y ≥ 0} semiplane ( in blue,
in green). Bottom: FTLE field, strainlines (in black) and heteroclinic orbits for the first intersection (in magenta),
, and for the second one (in blue),
, of the stable manifold.
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