Strongly nonlinear convection in binary fluids: minimal model using symmetry decomposed modes |
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Authors: | St Hollinger M Lücke |
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Institution: | 1. Institut für Theoretische Physik, Universit?t des Saarlandes, Postfach 151150, D-66041, Saarbrücken, Germany
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Abstract: | Spatially extended stationary and traveling states in the strongly nonlinear regime of convection in layers of binary fluid mixtures heated from below are described by a few-mode-model. It is derived from the proper hydrodynamic balance equations including experimentally relevant boundary conditions with a non-standard Galerkin approximation that uses numerically obtained, symmetry decomposed modes. Properties of the model are elucidated and compared with full numerical solutions of the field equations. |
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