2010
DOI: 10.4208/cicp.060709.060110a
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A Level Set Immersed Boundary Method for Water Entry and Exit

Abstract: The interaction between free surface flow and structure is investigated using a new level set immersed boundary method. The incorporation of an improved immersed boundary method with a free surface capture scheme implemented in a Navier-Stokes solver allows the interaction between fluid flow with free surface and moving body/bodies of almost arbitrary shape to be modelled. A new algorithm is proposed to locate exact forcing points near solid boundaries, which provides an accurate numerical solution. The discre… Show more

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Cited by 72 publications
(28 citation statements)
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“…Zhang et al [18] modelled both the entry and exit of a circular cylinder with constant velocity using their level-set immersed boundary method and a full NS solver. They too found good visual agreement with experiments for the free surface and comparable values for the slamming coefficients.…”
Section: Literaturementioning
confidence: 99%
“…Zhang et al [18] modelled both the entry and exit of a circular cylinder with constant velocity using their level-set immersed boundary method and a full NS solver. They too found good visual agreement with experiments for the free surface and comparable values for the slamming coefficients.…”
Section: Literaturementioning
confidence: 99%
“…Yan and Ma [39] introduced a QALE-FEM approach, based on a fully nonlinear potential theory, to deal with the interaction between waves and 2-D floating bodies. Zhang et al [41] developed a new level set immersed boundary method to simulate the interaction of free surface flow and the structure. They investigated cases like flow past a cylinder, water exit and entry of a cylinder and water entry of a falling wedge.…”
Section: Introductionmentioning
confidence: 99%
“…Indeed, the entry of a hydrophobic object into water is known to form an air cavity behind it, whereas a non-coating (polished surface) object seems not to form it. A lot of studies on the water entry of a circular cylinder has been restricted to the twodimensional problem (see e.g., Cointe and Armand 1987;Oliver 2007;Wagner 1932 for analysis;Greenhow 1988;Lin and Shieh 1997;Zhu et al 2007 for experiment; Zhang et al 2010 for numerics). In the previous paper , we demonstrated experimentally that the rupture regime of the cavity behind the perfectly coated hydrophobic cylinder appeals for the spanwise three-dimensionality on the cavity film against the previous studies within 2D treatment.…”
Section: Introductionmentioning
confidence: 99%