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Numerical simulation of dynamic contact angle using a force based formulation / David, Gethin; Nick, Croft; Alison, Williams; Davide, Deganello
Journal of Non-Newtonian Fluid Mechanics, Volume: 166, Issue: 16, Pages: 900 - 907
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Numerical simulation of dynamic contact angle using a force based formulation
|Published in:||Journal of Non-Newtonian Fluid Mechanics|
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Capturing the dynamic response of the contact angle in a filamentation process is a crucial step in linking modelling with practice. The proposed approach is based on a level set framework combined with the introduction of a force function to capture the balance of forces in the contact region between solid boundaries and a diffuse free-surface fluid interface. This allows the system to define its own dynamic contact angle and its own contact line dynamics, without introducing numerical discontinuities. The method shows good agreement with experimental and empirical models reported in the literature.
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