Abstract:In this study, the authors numerically investigate the frequency response on the three-dimensional thermal convection in a cubic cavity heated from below in the gravitational field, concerning flow characteristics such as flow structure and a global quantity the spatially-averaged kinetic energy K. The authors assume incompressible fluid with a Prandtl number Pr = 7.1 (water) and with a Rayleigh number Ra = 1.0×10 4 or 4.0×10 4. The direction of a forced sinusoidal oscillation is parallel to the terrestrial gr… Show more
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