Recent findings on displacements in the surroundings of isotropic flow events in viscous liquids [Phys. Rev. E 59, 2458 (1999)] are generalized to the anisotropic case. Also, it is shown that a flow event is characterized by a dimensionless number reflecting the degree of anisotropy.
Physical Review E (statistical, Nonlinear, and Soft Matter Physics), 1999, Vol 59, Issue 6, p. 7243-7245