Falling Droplet

palabos-falling-droplet-iconPalabos' VOF-based multi-phase model handles very large viscosity ratios, and arbitrarily large density ratios. To demonstrate this, we simulated a free-fall of a droplet which falls at different speeds in a media with increasingly larger density.

 

 

The parameters are:

Droplet Viscosity: 1 Ns/m2
Droplet Radius: 2 mm
Droplet Density: 1000 kg/m3
Surface Tension: 0.0728 N/m
Density Ratio: 0.01 (left image) / 0.05 (middle image) / 0.1 (right image)

The contour plot in the animation depicts the magnitude of the velocity of the sourounding fluid.

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