Abstract
A new method is presented for the water impact simulation, in which the air-water two phase flow is solved using the pressure-based computational fluid dynamics method. Theoretically, the air effects can be taken into account in the water structure interaction. The key point of this method is the air-water interface capture, which is treated as a physical discontinuity and can be captured by a well-designed high order scheme. According to a normalized variable diagram, a high order discrete scheme on unstructured grids is realised, so a numerical method for the free surface flow on a fixed grid can be established. This method is implemented using an in-house code, the General Transport Equation Analyzer, which is an unstructured grid finite volume solver. The method is verified with the wedge water and structure interaction problem.
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Project supported by the National Natural Science Foundation of China (Grant Nos. 51206031, 51079032), the China Postdoctoral Science Foundation funded Project (Grant No. 20100471016).
Biography: YU Yan (1980-), Female, Ph. D. Candidate
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Yu, Y., Ming, Pj. & Duan, Wy. Unstructured finite volume method for water impact on a rigid body. J Hydrodyn 26, 538–548 (2014). https://doi.org/10.1016/S1001-6058(14)60061-5
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DOI: https://doi.org/10.1016/S1001-6058(14)60061-5