STOKES / OSEEN FLOW

Creeping flow (Re≪1) around a sphere. Stokes drag F=6πμaU. Oseen correction adds Re terms: F=6πμaU(1+3Re/8).

Stokes Drag F_S: ---
Oseen Drag F_O: ---
Correction: ---

ψ = U sinθ(r²/2 − 3ar/4 + a³/4r) [Stokes]