  The formation of a single bubble from an orifice in a solid surface,
submerged in an in- compressible, viscous Newtonian liquid, is simulated. The
finite element method is used to capture the multiscale physics associated with
the problem and to track the evolution of the free surface explicitly. The
results are compared to a recent experimental analysis and then used to obtain
the global characteristics of the process, the formation time and volume of the
bubble, for a range of orifice radii; Ohnesorge numbers, which combine the
material parameters of the liquid; and volumetric gas flow rates. These
benchmark calculations, for the parameter space of interest, are then utilised
to validate a selection of scaling laws found in the literature for two regimes
of bubble formation, the regimes of low and high gas flow rates.
