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General approach for solving the density gradient theory in the interfacial tension calculations
2017
Fluid Phase Equilibria
Within the framework of the density gradient theory, the interfacial tension can be calculated by finding the density profiles that minimize an integral of two terms over the system of infinite width. It is found that the two integrands exhibit a constant difference along the interface for a finite planar interface, and this difference becomes smaller as the interface width increases. These findings naturally lead to a solution procedure that consists of an inner loop and an outer loop for
doi:10.1016/j.fluid.2017.07.021
fatcat:mvo2k2ampbes7getzp3e4gksaa