Table 1.

Coefficients to the strain energy function, given in equations 5a and 5b, were determined by fitting equibiaxial experimental data for silicone samples alone and those for the CSD embedded in silicone. The coefficient c was kept fixed in the optimization protocols for the composite material.

Composite #	α1	α2	c1 (kPa)	c3,1 (kPa)	c4,1	c3,2 (kPa)	c4,2	R2, 1	R2, 2
1	−4°	57°	445	661.48	14.11	900.77	10.69	0.993	0.993
2	−15°	47°	445	45.18	34.59	504.01	22.24	0.995	0.996
3	−37°	35°	445	337.21	25.79	29.95	4.49	0.976	0.939
4	−1°	60°	445	574.00	12.37	968.62	9.05	0.988	0.987
5	−45°	53°	445	1171.42	13.00	51.75	4.18	0.984	0.986
6	−50°	40°	445	1140.11	11.50	458.83	8.98	0.993	0.993