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physics.flu-dyn2026
Similarity of start-up flow in porous media for large pressure gradients
Yoshiyuki Sakai, Lukas Unglehrt, Michael Manhart
We investigate the start-up flows through ordered porous media (hexagonal close-packed, face-centred cubic and body-centred sphere packs) by means of direct numerical simulations.…
physics.flu-dyn2024
Assessment of models for nonlinear oscillatory flow through a hexagonal sphere pack
Lukas Unglehrt, Michael Manhart
We review models for unsteady porous media flow in the volume-averaging framework and we discuss the theoretical relations between the models and the definition of the model coeffi…