Experimental and numerical investigation of sloshing using different free surface capturing methods |
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| Institution: | 1. State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, 800 Dongchuan Rd., Shanghai, China;2. Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration (CISSE), Shanghai Jiao Tong University, China;3. Shanghai Key Laboratory of Ship Engineering, Marine Design & Research Institute of China, Shanghai, China;1. School of Hydraulic Engineering, Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian 116024, China;2. State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China;1. Bureau Veritas, Neuilly sur Seine, France;2. Pusan National University, Busan, South Korea;1. Structural Engineering Research Center, International Institute of Earthquake Engineering and Seismology (IIEES), No. 21, Arghavan St., North Dibajee, Farmanieh, Tehran, Iran;2. International Institute of Earthquake Engineering and Seismology, Tehran, Iran |
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| Abstract: | We investigated the use of numerical methods to predict liquid sloshing phenomena in a moving tank and compared our results to model test measurements. The numerical techniques for the free surface, based on the so-called finite Volume-of-Fluid (VoF) approach, comprised an incompressible VoF method, an incompressible coupled Level-Set and Volume-of-Fluid (clsVoF) method, and a compressible VoF method. We assessed the capability of these three numerical methods to achieve suitable numerical predictions of sloshing phenomena, specifically, air pockets and bubbles on the free surface inside a test tank. To observe the described sloshing phenomena, we simulated tank motions leading to well defined single impact wave motions. We performed repeated physical tests for validation purposes. Computed velocity and pressure time histories were compared to experimental data we obtained from Particle Image Velocimetry (PIV) and pressure sensor measurement. Grid sensitivity and turbulence model studies were performed. We demonstrated that the compressible VoF method was the most suitable method to obtain accurate predictions of sloshing phenomena. |
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| Keywords: | Liquid sloshing Compressible and incompressible fluid Free surface capturing method PIV sloshing |
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