Abstract
We first present the phase diffusion and mean drift equation which describe convective patterns in large aspect ratio containers and for arbitrary Rayleigh and Prandtl numbers. Some applications are presented such as the prediction of the selected wavenumber or the instability of foci. We propose in a second step a regularized form of the phase diffusion equation able to reproduce the formation and dynamics of defects.
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Passot, T., Newell, A.C. (1991). The phase-diffusion equation and its regularization for natural convective patterns. In: Fournier, JD., Sulem, PL. (eds) Large Scale Structures in Nonlinear Physics. Lecture Notes in Physics, vol 392. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-54899-8_29
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DOI: https://doi.org/10.1007/3-540-54899-8_29
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