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Complex dynamics in double-diffusive convection

Autor
Meca, E.; Mercader, M.; Batiste, O.; Ramirez de La Piscina, L.
Tipus d'activitat
Article en revista
Revista
Theoretical and computational fluid dynamics
Data de publicació
2004-11
Volum
18
Número
2-4
Pàgina inicial
231
Pàgina final
238
DOI
https://doi.org/10.1007/s00162-004-0129-1 Obrir en finestra nova
URL
https://link.springer.com/article/10.1007%2Fs00162-004-0129-1 Obrir en finestra nova
Resum
The dynamics of a small Prandtl number binary mixture in a laterally heated cavity is studied numerically. By combining temporal integration, steady state solving and linear stability analysis of the full PDE equations, we have been able to locate and characterize a codimension-three degenerate Takens–Bogdanov point whose unfolding describes the dynamics of the system for a certain range of Rayleigh numbers and separation ratios near S=-1.
Paraules clau
Takens–Bogdanov bifurcation, binary mixture, natural convection, nonlinear dynamics
Grup de recerca
BIOCOM-SC - Grup de Biologia Computacional i Sistemes Complexos
DF - Dinàmica de Fluids: formació d'estructures i aplicacions geofísiques

Participants