Numerical Simulation on Partially Liquid-Filled Sloshing with Baffle Under Different Density Ratios by the CLSVOF/IB Method

The density and viscosity ratios on partially liquid-filled sloshing with baffle have been investigated numerically in this study. As the key to success in the present simulation, the Coupled Level Set and the Volume of Fluid (CLSVOF) method and the Immersed Boundary (IB) method are used to capture...

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Bibliographic Details
Published in:China ocean engineering 2022-12, Vol.36 (6), p.922-932
Main Authors: Gu, Zheng-hua, Wang, Ting-hui, Wu, Tie-cheng, Li, Yu-long
Format: Article
Language:English
Subjects:
Coastal Sciences
Deformation
Density
Engineering
Fluid- and Aerodynamics
Hyperbolas
Interfaces
Kinematics
Liquid sloshing
Marine & Freshwater Sciences
Mathematical analysis
Methods
Numerical and Computational Physics
Oceanography
Offshore Engineering
Original Paper
Ratios
Simulation
Viscosity
Viscosity ratio
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Summary:The density and viscosity ratios on partially liquid-filled sloshing with baffle have been investigated numerically in this study. As the key to success in the present simulation, the Coupled Level Set and the Volume of Fluid (CLSVOF) method and the Immersed Boundary (IB) method are used to capture gas/liquid and fluid/structure interfaces, respectively. Within the CLSVOF method, surface normal in weighting factors is calculated by the level set function, resulting in a more accurate solution. Furthermore, the Tangent of Hyperbola for INterface Capturing (THINC) coupled with the Weighted Linear Interface Calculation (WLIC) scheme is used for capturing moving interface. As a standard practice, we first validate the code by comparing it with experimental results of liquid sloshing, which involves large deformation of interface. In addition to the validation study of the present method, the problems of liquid sloshing with baffle are investigated to understand kinematics and dynamics behaviors under different density and viscosity ratios.
ISSN:0890-5487
2191-8945
DOI:10.1007/s13344-022-0081-0