Table 1.

Parameter conditions for the four possible dynamic behaviours of a 2D circular shaped cell

Region	Condition(s)
I	τ<−4π λ p R a
II	−4π λ p R a<τ<0
III	$0<\tau <4\pi {\lambda }_a{\epsilon }^{\frac{3}{2}}$
IV	$\tau >4\pi {\lambda }_a{\epsilon }^{\frac{3}{2}}$