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Nonlinear evolution of instability in inertialess elasto-viscoplastic Poiseuille flow
A widely used constitutive law for elasto-viscoplastic fluids (Saramito's model) predicts linear instability in inertialess pressure-driven channel flow. The instability arises due to the yield stress of the fluid and is strongest at the shortest streamwise wavenumbers, calling into question the phy
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