Table 2.

Viscoelastic CL - recovered material parameters and associated regularization energy obtained from 3 independent parameter seed points (initial parameter values shown in parentheses).

Parameter	Seed 1	Seed 2	Seed 3
C1	23.1 (200)	24.9 (500)	23.1 (50)
C2	2,039 (5,000)	2,048 (1,000)	2,030 (6,000)
D1	2.25 × 10−4 (1.5 × 10−3)	2.27 × 10−4 (1.0 × 10−4))	2.24 × 10−4 (5.0 × 10−5)
g1	0.392 (0.400)	0.398 (0.600)	0.394 (0.200)
τ1	0.059 (0.100)	0.058 (0.500)	0.059 (0.010)
Φ̇	1.57× 10−5 (1.90 × 10−5)	1.51 × 10−5 (1.07 × 10−4)	1.56 × 10−5 (6.01 × 10−5)
Φ̇ind	9.32× 10−6 (1.13 × 10−5)	8.82 × 10−6 (9.87 × 10−5)	9.18 × 10−6 (5.54 × 10−5)
Φ̇vol	6.39× 10−6 (7.79 × 10−6)	6.32 × 10−6 (7.79 × 10−6)	6.38 × 10−6 (4.69 × 10−6)