Table 1.

Material parameters for spiral re-entry problem.

Passive stress	a = 0.496 kPa, b = 7.21, af = 15.19 kPa, bf = 20.42, as = 3.28 kPa, bs = 11.18 afs = 0.66 kPa, bfs = 9.47
Active stress	kσ = 0.25 × 10−3 kPa mV−1, Φr = −80 mV
Switch function	ε0 = 0.1 mV−1, ε∞ = 1 mV−1, ξ = 1 mV−1 Φ̄ = 0 mV
Conduction	$\begin{array}{l}{d}_{\left|\right|}^i=1.6{\text{mm}}^2{\text{ms}}^{-1},d_{\perp }^i=1.5{\text{mm}}^2{\text{ms}}^{-1}\\ d_{\left|\right|}^e=1.6{\text{mm}}^2{\text{ms}}^{-1},d_{\perp }^e=1.5{\text{mm}}^2{\text{ms}}^{-1}\end{array}$
Excitation	α = 0.01 [−], b = 0.15 [−], c = 8 [−], γ = 0.002 [−], μ1 = 0.2 [−], μ2 = 0.3 [−]