The particle group (containing the liquid particles) to calculate the surface tension for.

The particle type of the Particle Group to use.

Passive
Vorticity
Liquid
Diffuse

Link a liquid dynamics node to emit surface tension forces.

Select which surface tension model to use (see top for a short description).

Cohesion
Calculates surface tension based on cohesion (attraction) between liquid particles. The cohesion mode is much more forgiving and stable than the Surface Properties node.

Surface Properties
Calculates surface tension based on geometric surface properties.
This mode requires you to have a Surface Properties operator available in the scene calculating a normal and curvature for the liquid particles.

The surface tension coefficient or the strength of the surface tension.

To find particles nearby this radius defines the maximum distance around each particle to find neighboring particles.
It is advantageous if the search radius of the Surface Properties operator equals this one.