Quantitative comparison of dam break and bubble flows based on CF-VOF and IR-VOF schemes

Jongkwon Lee (), S. Mahmood Mousavi (), Bok Jik Lee and Salah A. Faroughi ()
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Jongkwon Lee: Department of Aerospace Engineering, Seoul National University, Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
S. Mahmood Mousavi: Geo-Intelligence Laboratory, Ingram School of Engineering, Texas State University, San Marcos, TX 78666, USA
Bok Jik Lee: Department of Aerospace Engineering, Seoul National University, Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
Salah A. Faroughi: Geo-Intelligence Laboratory, Ingram School of Engineering, Texas State University, San Marcos, TX 78666, USA

International Journal of Modern Physics C (IJMPC), 2024, vol. 35, issue 05, 1-25

Abstract: In this study, an incompressible and immiscible two-phase flow solver was employed to assess the accuracy of phase-interface capturing methods in simulating two-phase flows. Three benchmark investigations were conducted involving two dam break flows with deformable free surfaces and the upward motion of a gas bubble through a liquid column. Four phase-interface capturing schemes, namely, MULES, HRIC and CICSAM from the Color Function Volume of Fluid (CF-VoF), and Interface Reconstruction Volume of Fluid (IR-VoF), were utilized. Comparative analysis of the phase interfaces indicated that CICSAM and IsoAdvector consistently provided sharp interfaces across all cases when compared to MULES and HRIC. The mass conservation performance of all schemes excelled in the dam-break case with relatively simple free-surface development and the rising bubble case. An examination of the local pressure distribution over time revealed that methods yielding diffusive interfaces produced inaccurate results. Thus, the importance of employing denser grids or schemes that yield sharper interfaces, such as CICSAM and IsoAdvector, to enhance simulation accuracy was underscored. Overall, the results of this analysis confirm that the IsoAdvector scheme, which provides sharp interfaces, is a reliable option for simulating incompressible immiscible two-phase flows.

Keywords: Interface reconstruction; color function; two-phase flow; dam break; rising bubble; volume of fluids (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1142/S0129183124500621

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