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서지완(Jiwan Seo),서종민(Jongmin Seo) 대한기계학회 2023 대한기계학회 춘추학술대회 Vol.2023 No.11
We conducted a study on the dissipation of droplet using CFD. For this research, we utilized OpenFoam and employed interFoam solver, commonly used for multiphase flow. The simulation results closely matched the theoretically predicted frequency. However, there were inaccuracies in the decay rate especially when using interFoam. To address this limitation, leveraging the open-source nature of OpenFoam, we developed a solver named “Phase-Field”. After compiling it and subjecting it to validation step, we applied Phase-Field to study dissipation of droplet. In analysis, we simulated scenario with analytical solutions using both interFoam and Phase Field. The simulations covered two cases: water-air and liquid metal(Al)-argon. We processed Excel data obtained through ParaView using Python to obtain quantitative solution. We compare it with the analytical solution. Phase Field proved to calculate the decay rate more accurately. It offers potential in computational analysis simulations for applications where dissipation is critical.