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physics.flu-dyn2024
The initial acceleration of a buoyant spherical bubble revisited
Dieter Bothe, Jun Liu, Pierre-Etienne Druet +3
An analytical derivation of the buoyancy-induced initial acceleration of a spherical gas bubble in a host liquid is presented. The theory makes no assumptions further than applying…
physics.comp-ph2024
A residual-based non-orthogonality correction for force-balanced unstructured Volume-of-Fluid methods
Jun Liu, Tobias Tolle, Tomislav Maric
Non-orthogonality errors in unstructured Finite Volume methods for simulating incompressible two-phase flows may break the force-balanced discretization. We show that applying the…