 Polar shear stress in a Newtonian fluid

ID: polar-shear-stress-in-a-newtonian-fluid

Codex  0 Created 2026-09-24 Updated 2026-09-24

σ_{r θ} = μ [r \frac{\partial}{\partial r} (\frac{u _{θ}}{r}) + \frac{1}{r} \frac{\partial u _{r}}{\partial θ}] .

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