Numerical simulation of motion and deformation of ring bubble along body surface

Wu, 倪宝玉 张阿漫 G. X.; Ni, Baoyu; Zhang, A‐Man; Wu, G.X.

doi:10.1007/s10483-013-1762-6

Appl. Math. Mech.-Engl. Ed.

2013

DOI: 10.1007/s10483-013-1762-6

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Numerical simulation of motion and deformation of ring bubble along body surface

倪宝玉张阿漫 G. X. Wu

Baoyu Ni

A‐Man Zhang

et al.

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Cited by 8 publications

(1 citation statement)

References 23 publications

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“…This is then divided into many straight line elements and the linear shape function is used within each element(Ni et al 2013). The Fluid Dyn.…”

mentioning

confidence: 99%

Numerical simulation of water exit of an initially fully submerged buoyant spheroid in an axisymmetric flow

Ni¹,

Wu²

2017

Fluid Dyn. Res.

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Abstract:Free water exit of an initially fully-submerged buoyant spheroid in an axisymmetric flow, which is driven by the difference between vertical fluid force and gravity, is investigated. The fluid is assumed to be incompressible and inviscid, and the flow to be irrotational. The velocity potential theory is adopted together with the fully nonlinear boundary conditions on the free surface.Surface tension has been neglected and the pressure is taken as constant on the free surface. The acceleration of the body at each time step is obtained as the part of the solution. Its nonlinear mutual dependence with the fluid force is decoupled through the auxiliary function method. The free-surface breakup by the body penetration and the water detachment from the body are treated through numerical conditions. Slender body theory based on the zero potential assumption on the undisturbed flat free surface is adopted, through which a condition for full water exit of a spheroid is obtained. Comparison is made between the results from the slender body theory and from the fully nonlinear theory through the boundary-element method, and good agreement is found when the spheroid is slender. Extensive case studies are undertaken to investigate the effects of the body density, dimensions and the initial submergence.

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“…This is then divided into many straight line elements and the linear shape function is used within each element(Ni et al 2013). The Fluid Dyn.…”

mentioning

confidence: 99%

Numerical simulation of water exit of an initially fully submerged buoyant spheroid in an axisymmetric flow

Ni¹,

Wu²

2017

Fluid Dyn. Res.

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show abstract

Experimental and numerical study of free water exit and re-entry of a fully submerged buoyant spheroid

Yang

et al. 2018

Applied Ocean Research

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Simulation on the interaction between multiple bubbles and free surface with viscous effects

2016

Engineering Analysis with Boundary Elements

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Numerical simulation of motion and deformation of ring bubble along body surface

Cited by 8 publications

References 23 publications

Numerical simulation of water exit of an initially fully submerged buoyant spheroid in an axisymmetric flow

Numerical simulation of water exit of an initially fully submerged buoyant spheroid in an axisymmetric flow

Experimental and numerical study of free water exit and re-entry of a fully submerged buoyant spheroid

Simulation on the interaction between multiple bubbles and free surface with viscous effects

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