John Tsamopoulos named a fellow of the Society Of Rheology (June 2022)

Numerical simulations reveals the physical mechanism for the onset of the sharkskin instability in polymer extrusion process In this paper, we have […]

Varchanis, S., Haward, S.J., Hopkins, C.C., Tsamopoulos, J., Shen, A.Q.Evaluation of constitutive models for shear-banding wormlike micellar solutions in simple and complex […]

We report experimental microfluidic measurements and theoretical modeling of elastoviscoplastic materials under steady, planar elongation. Employing a theory that allows the solid […]