S. Hess, NORMAL STRESS DIFFERENCES IN LIQUID-CRYSTALS AND IN EXTREMELY SHEAR THICKENING DISPERSIONS, Journal of non-Newtonian fluid mechanics, 54, 1994, pp. 201-207
Application of the affine transformation model to the flow alignment a
nd the anisotropy of the viscosity of nematic liquid crystals leads to
expressions for the normal stress differences which match those recen
tly observed by H.M. Laun in extremely shear thickening dispersions.