Abstract
In the present work, the phenomenon of an Oldroyd-B drop impact and spreading on an inclined rigid plate at low impact angles is simulated numerically using the smoothed particle hydrodynamics (SPH) method. In order to remove the unphysical phenomenon of fracture and particle clustering in fluid stretching which is the so-called tensile instability, an artificial stress term is employed which has been successfully proposed in simulations of elastic solids. Particularly, the effects of surface inclination and the different regimes of drop impact and spreading on an inclined surface are investigated. The numerical results show the capability of the proposed scheme in handing the unsteady viscoelastic free surface flows. All numerical results of using the SPH method are in agreement with the available data.
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Jiang, T., Ouyang, J., Yang, B. et al. The SPH method for simulating a viscoelastic drop impact and spreading on an inclined plate. Comput Mech 45, 573–583 (2010). https://doi.org/10.1007/s00466-010-0471-7
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DOI: https://doi.org/10.1007/s00466-010-0471-7