Modelling of bubble rising by smoothed particle hydrodynamics method
Tofighi, Nima and Zainali, Amir and Yıldız, Mehmet (2012) Modelling of bubble rising by smoothed particle hydrodynamics method. In: 10th International Conference of Numerical Analysis and Applied Mathematics (ICNAAM 2012), Kos, Greece
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Official URL: http://dx.doi.org/10.1063/1.4756071
In this paper, an incompressible smoothed particle hydrodynamics (ISPH) method for two-phase flows with an improved surface treatment using continuum surface force (CSF) approach is proposed. A better surface representation is achieved through using a cubic spline weighting function for discretizing the equations related to interfacial forces while a quintic spline function is used for other equations. In order to demonstrate the effectiveness of the aforementioned method, rising of a Newtonian bubble surrounded by a viscous liquid is simulated. Results obtained from current simulations are in agreement with data available in literature and show the same characteristics.
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