Rho 1700[kg/m^3] Density
Nu 0.2 "Poisson's ratio"
Eiref 14.05[MPa] "Reference initial stiffness for primary loading"
Eurref 11.5[MPa] "Reference stiffness for unloading and reloading"
e0 0.9 "Initial void ratio"
m 0.8 "Stress exponent"
rc 4.76 "Swelling to compression ratio"
c 1[kPa] Cohesion
Psi 0[deg] "Dilatation angle"
Phi 20[deg] "Angle of internal friction"
Rc 1.2821 "Ellipse aspect ratio"
p0 300[kPa] Pressure
gamma_a 2e-4 "Threshold shear strain"
gammaR gamma_a/a "Reference shear strain"
E0ref 80[MPa] "Initial Young's modulus at reference pressure"
G0ref E0ref/(2*(1+Nu)) "Initial shear modulus at reference pressure"