mu_lame 0.2[MPa] "Lamé parameter"
lambda_lame 0.5[MPa] "Lamé parameter"
rhos 1370[kg/m^3] "Myocardial density"
af 1.685[kPa] "Fiber direction material property"
bf 15.779 "Fiber direction material property"
theta_epi_max "-60 [deg]" "Epicardial fiber angle at basal plane"
theta_endo_max "+60 [deg]" "Endocardial fiber angle at basal plane"