Fig. 1. Plot of the magnitude of the velocity (upper left) and axial component (x-direction) of the stress (upper right) of a steady viscoelastic fluid flow in a simple planar channel with an enlargement (motivated by a simple model of a small arterial aneurysm). This component of the stress is the most pronounced at the entrance and exit of the enlargement. The magnitude of the shear stress (c...

All polymer foams are viscoelastic; for foams used in earplugs, this response is essential to their function. Poisson’s ratio was inferred from viscoelastic response of earplug foam in torsion and bending. Poisson’s ratio increases with frequency as a result of stress induced air flow. Air within the pores contributes to the overall bulk modulus at high frequency, but not at low frequency at wh...

The recent development of algebraic explicit stress models (AESM) for viscoelastic fluids rests upon a general equilibrium assumption, by invoking a slow variation condition on the evolution of the viscoelastic anisotropy tensor (the normalized de-viatoric part of the extra-stress tensor [G. Mompean, R.L. Thompson, P.R. Souza Mendes, A general transformation procedure for differential viscoelas...