ICCM Conferences, The 8th International Conference on Computational Methods (ICCM2017)

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Numerical modeling of bubbles near rigid boundary using OpenFOAM
Shiping Wang, Tong Li, Aman Zhang

Last modified: 2017-06-30


Study of bubble dynamics near a rigid boundary has a great significance to many areas such as underwater explosion and erosion of propeller. Based on compressible two-phase flow theory, bubble dynamics near a rigid are numerically modeled with the finite volume method using the open source software OpenFOAM. Volume of fluid (VoF) method is used to capture the bubble-water interface and PIMPLE algorithm is used to solve the velocity-pressure coupling. The formation and collapse of a single bubble in a free field is simulated, compared with Rayleigh-Plesset model, to show the reliability of the numerical method. Moreover, simulation of bubble near a wall is performed to capture the bubble expansion, collapse and high speed liquid jet. The pressure within the bubble and around the surrounding liquid at different times during the formation and collapse of the bubble is also obtained to estimate the impact on ambient structure. Influence of bubble-structure distance on bubble behavior is studied.

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