On the nature of boundary conditions for flows with moving free surfaces
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Corner singularities between free surfaces and open boundaries
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2015, Journal of Non-Newtonian Fluid MechanicsCitation Excerpt :In the case of the stick–slip flow [40] it was shown that the conditions that are applied both at the inflow and outflow boundaries have a minimal effect on the eigenvalue calculations. In our case it is expected that the presence of a deformable interface may complicate things, since it is known that the coexistence of a free surface and an outflow condition may give rise to a corner singularity Renardy [54–56]. Although, this singularity does not affect the steady state calculations, it could affect to some extent the eigenvalue calculations.
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