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Simulation of Fluid and Complex Obstacle Coupling Based on Narrow Band FLIP Method

Navigation College, Dalian Maritime University, Dalian 116026, China
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Water 2018, 10(6), 811; https://doi.org/10.3390/w10060811
Received: 1 May 2018 / Revised: 8 June 2018 / Accepted: 11 June 2018 / Published: 19 June 2018
(This article belongs to the Section Hydraulics)
With the continuous development of fluid simulation theory and technology, there are increasingly higher requirements for simulation of complex fluid interaction. Fluid simulation based on the Eulerian method is limited by the grid resolution, and the sawtooth phenomenon occurs near the obstacle boundary. To enhance the fluid interaction performance with complex obstacle, an advanced fluid interaction method was proposed based on NBFLIP. Improved from FLIP method, the NBFLIP method combines the advantages of Euler method and Lagrangian method. The SDF method is proposed in complex obstacle discretion, with an expectation to facilitate the processing with obstacle boundary and efficiency improvement. Compared with FLIP method, particle number in NBFLIP method is reduced by 86.2% and the average running time per frame is reduced by 36.1%. View Full-Text
Keywords: Narrow Band FLIP; fluid simulation; free surface; complex obstacle; SDF Narrow Band FLIP; fluid simulation; free surface; complex obstacle; SDF
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Zou, C.; Yin, Y. Simulation of Fluid and Complex Obstacle Coupling Based on Narrow Band FLIP Method. Water 2018, 10, 811.

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