Table 1.

Material coefficient sets for passive myocardium. In some cases, material coefficients are repeated to produce the desired material symmetry depending on one of the four simulation approaches (cases (ii) and (iii) have identical coefficients, but differ in structural arrangement).

	$c$ (kPa)	$c_1$	$c_2$	$c_3$	$c_4$	$c_5$	$c_6$
Isotropic	0.35	9.2	9.2	9.2	7.4	7.4	7.4
Trans. isotropica	1.3	9.2	2	2	3.7	2	3.7
Orthotropic	0.75	20.2	1.4	0.3	8.1	6.0	3.7

^aCoefficients obtained from perfused rat heart data [45].