Table 1.

Computed volume fractions and obtained material parameters for the three cases tested.

Parameters	Cases
	M25	M28	M42
fI (-)	0.2803 ± 0.0113	0.2711 ± 0.0100	0.2172 ± 0.0067
fII (-)	0.7197 ± 0.0113	0.7289 ± 0.0100	0.7828 ± 0.0067
c1 (kPa)	33.894	43.795	43.428
c2 (kPa)	35.877	15.692	46.627
a1 (-)	1.4655	1.9984	1.1188
a2 (-)	1.85712	2.2043	1.2865
a3 (-)	0.0473	0.0080	0.2265
R2 (-)	0.9946	0.9761	0.9959