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		<citationkey>ChimanskiCherRemp:2016:RoHyIn</citationkey>
		<title>Route to hyperchaos and intermittency in Rayleigh-Bernard Convection</title>
		<year>2016</year>
		<secondarytype>PRE CI</secondarytype>
		<author>Chimanski, E. V.,</author>
		<author>Chertovskih, R.,</author>
		<author>Rempel, Erico Luiz,</author>
		<group></group>
		<group></group>
		<group>DGE-CEA-INPE-MCTI-GOV-BR</group>
		<affiliation>Instituto Tecnológico de Aeronáutica (ITA)</affiliation>
		<affiliation>Instituto Tecnológico de Aeronáutica (ITA)</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<electronicmailaddress>kimor@ita.br</electronicmailaddress>
		<electronicmailaddress>evchimanski@gmail.com</electronicmailaddress>
		<electronicmailaddress>erico_rempel@yahoo.com.br</electronicmailaddress>
		<conferencename>International Conference on Nonlinear Science and Complexity, 6</conferencename>
		<conferencelocation>São José dos Campos, SP</conferencelocation>
		<date>16-20 May</date>
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		<contenttype>External Contribution</contenttype>
		<keywords>Bifurcation, hyperchaos, chaotic saddle, intermittency, Rayleigh-Benard convection.</keywords>
		<abstract>Transition to hyperchaotic regimes in Rayleigh-Benard convection in a square periodicity cell is studied by three-dimensional numerical simulations. By fixing the Prandtl number and varying the Rayleigh number as a control parameter, a bifurcation diagram is constructed where a route involving quasiperiodic regimes with two and three incommensurate frequencies, multistability, chaotic intermittent attractors and a sequence of boundary and interior crises is shown. The three largest Lyapunov exponents exhibit a linear scaling with the Rayleigh number and are positive in the final hyperchaotic attractor. Thus, a route to weak turbulence is found. R. Chertovskih, E.V. Chimanski, E.L. Rempel. Route to hyperchaos in Rayleigh-Benard convection. Europhysics Letters 112 (1), 14001 (2015) E. V. Chimanski, R. Chertovskih, E. L. Rempel. Intermittency route to hyperchaos in 3D RayleighBenard convection. Advances in Space Research, in press (2016).</abstract>
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