An energy stable C0 finite element scheme for a quasi-incompressible phase-field model of moving contact line with variable density
2020
Abstract In this paper, we focus on modeling and simulation of two-phase flow problems with moving contact lines and variable density. A thermodynamically consistent phase-field model with general Navier boundary condition is developed based on the concept of quasi-incompressibility and the energy variational method. A mass conserving C 0 finite element scheme is proposed to solve the PDE system. Energy stability is achieved at the fully discrete level. Various numerical results confirm that the proposed scheme for both P 1 element and P 2 element are energy stable.
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