I would like to know the factors that effect the thin film fluid material spreading under Ac votage? is there any equation which relates to viscosity, dielectric constant, bonding etc

This blog focuses on viscoelasticity (http://en.wikipedia.org/wiki/Viscoelasticity)

They filled a pool with a mix of cornstarch and water made on a concrete mixer truck. It becomes a non-newtonian fluid. When stress is applied to the liquid it exhibits properties of a solid. Video was recorded at Barcelona, Spain.