Adapting a Fourier pseudospectral method to Dirichlet boundary conditions for Rayleigh–Bénard convection
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Fecha
2015Autor
Ramos, Ivana Carola
Briozzo, Carlos Bruno
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We present the adaptation to non–free boundary conditions of a pseudospectral method based on the (complex) Fourier transform. The method is applied to the numerical integration of the Oberbeck–Boussinesq equations in a Rayleigh–Bénard cell with no-slip boundary conditions for velocity and Dirichlet boundary conditions for temperature. We show the first results of a 2D numerical simulation of dry air convection at high Rayleigh number (R ∼ 10^9). These results are the basis for the later study, by the same method, of wet convection in a solar still.
Citación
Ramos, I. C. y Briozzo, C. B. (2015). Adapting a Fourier pseudospectral method to Dirichlet boundary conditions for Rayleigh–Bénard convection. Papers in Physics, 7, 070015. http://dx.doi.org/10.4279/PIP.070015