A Coupled Level Set and Volume-of-Fluid Method for Modeling Two-Phase Flows

The numerical modeling of two-phase flows is a challenging task especially when the density and viscosity ratios of the fluid in different phases are high. Moreover, the complexity increases in the surface tension dominant flows. Precise modeling of the surface tension force is essential in order to capture the flow physics accurately. Different methods have been developed to model such complex flows. Here, we describe the Coupled Level Set and Volume-of-Fluid method to model the two-phase flows which is very efficient in handling complex interface topology. The methodology has been tested with the real fluid flow problems and is found to be robust and accurate in capturing the two-phase flows.