Spatio-temporal intermittency in a 1D convective pattern: Theoretical model and experiments

F. Daviaud 1 J. Lega 2, 3 P. Bergé 1 P. Coullet 2 M. Dubois 1
1 SPEC - UMR3680 - Service de physique de l'état condensé
2 INLN - Institut Non Linéaire de Nice Sophia-Antipolis
3 UNIVERSITY OF ARIZONA - Department of Mathematics
Abstract : We describe the occurrence of spatio-temporal intermittency in a one-dimensional convective system that first shows time-dependent patterns. We recall experimental results and propose a model based on the normal form description of a secondary Hopf bifurcation of a stationary periodic structure. Numerical simulations of this model show spatio-temporal intermittent behaviors, which we characterize briefly and compare to those given by the experiment.
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F. Daviaud, J. Lega, P. Bergé, P. Coullet, M. Dubois. Spatio-temporal intermittency in a 1D convective pattern: Theoretical model and experiments. Physica D: Nonlinear Phenomena, Elsevier, 1992, 55 (3-4), pp.287 - 308. ⟨10.1016/0167-2789(92)90061-Q⟩. ⟨cea-01374019⟩

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