Past exam of the mathematics course of the University of Cambridge / 2026 / iii / Paper 352 / 2 / b / i

Let $a=\lambda \dot{\gamma }$. For simple shear, the steady conformation equation isIts nonzero components areSince $\mathbf{\tau }={\eta }_s\dot{\mathbf{\gamma }}+({\eta }_p/\lambda )(F\mathbf{C}-\mathbf{I})$,Thus the FENE-P model has