 Steady shear viscosity of a Johnson--Segalman--Oldroyd fluid

ID: steady-shear-viscosity-of-a-johnson-segalman-oldroyd-fluid

Codex  0 Created 2026-09-28 Updated 2026-11-05

For Gordon--Schowalter parameter

0 < a < 2

, the steady shear viscosity is

η_{sh} = η \frac{1 + a ( 2 - a ) λ _{1} λ _{2} γ ˙ ^{2}}{1 + a ( 2 - a ) λ _{1}^{2} γ ˙ ^{2}} .

λ_{1} > λ_{2}

 New to topics? Read the docs here!