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physics.flu-dyn2026
Drag and Yielding of Rotating Bodies in Yield-Stress Fluids
Farshad Nazari, Akash Mittal, Kourosh Shoele +1
We investigate the settling dynamics of rotating objects in a yield stress fluid by combining controlled experiments with numerical simulations. Experiments were conducted using cy…
physics.flu-dyn2025
Helical Locomotion in Yield Stress Fluids
Farshad Nazari Kourosh Shoele, Hadi Mohammadigoushki
We report three stages for locomotion of a helical swimmer in yield stress fluids. In the first stage, the swimmer must overcome material's yield strain to generate rotational moti…