Equations of thermal vibrational convection of an inhomogeneously heated liquid are analytically solved for arbitrary orientation of the vectors determining the heating direction, force of gravity, and vibrations in a closed cavity in the shape of an infinite horizontal cylinder. It is demonstrated that for any orientation of these vectors in the plane perpendicular to the cylinder, the gravitational and vibrational convection mechanisms can completely compensate each other. The ratio is determined between the vibrational and the gravitational Grashof numbers such that mechanical equilibrium conditions are satisfied. This ratio is corroborated by direct numerical calculation of complete equations of thermal vibrational convection.
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