Variation of viscosity (top/botton) in three typical situations.

Vortex p_off_end = 70 / s 500 complexes	Aster p_off_end = 2.5 / s 5000 complexes	Network of poles both p_off_end = 2.5 / s 8000/8000 complexes
			Viscosity 100X water
			Viscosity 200X water

You can click on the pictures to animate them!