AUS

Define an AUS material.

Parameters

name : str: String naming the material.
color : Color: Material appearance. color= Color(r=139,g=131,b=166)
Eu : float: Undrained Young's modulus, in MPa.
ec50 : float: Axial strain halfway to failure in compression.
ee50 : float: Axial strain halfway to failure in extension.
suc : float: Undrained shear strength in compression.
sue : float: Undrained shear strength in extension.
gamma_dry : float: Dry unit weight in kN/m^3
gamma_sat : float: Saturated unit weight in kN/m^3
tension_cutoff : str: Apply tension cutoff. tension_cutoff = 'yes' or 'no'
sigma_t : str: Tensile cutoff stress, in kPa.
softening : str: Apply softening. softening = 'yes' or 'no'
suc_residual : float: Residual undrained shear strength in compression, in kPa.
e_suc_cr1 : float: Critical plastic strain at undrained shear peak strength in compression.
e_suc_cr2 : float: Critical plastic strain at undrained shear residual strength in compression.
sue_residual : float: Residual undrained shear strength in extension, in kPa.
e_sue_cr1 : float: Critical plastic strain at undrained shear peak strength in extension.
e_sue_cr2 : float: Critical plastic strain at undrained shear residual strength in compression.
K0 : float: Earth pressure coefficient at rest.
hydraulic_conductivity_option : str: hydraulic_conductivity_option = 'isotropic' or 'anisotropic'
K : float: Hydraulic conductivity, in m/day.
Kx : float: Hydraulic conductivity in x, in m/day.
Ky : float: Hydraulic conductivity in y, in m/day.
Kz : float: Hydraulic conductivity in z, in m/day.
hydraulic_model : str: hydraulic_model = 'basic' or 'van_genuchten'
e : float: Void ratio.
alpha : float: Model parameter related to the air entry pressure.
n : float: Model parameter related to the rate at which water is extracted from the soil once the air entry pressure has been exceeded.
Sr : float: Residual degree of saturation (may be slightly greater than 0).
Ss : float: Fraction of water filled pores at full saturation (may be slightly less than 1).
reducible_strength : str: Apply reducible strength. reducible_strength = 'yes' or 'no'

Examples

i = 6
model2d.add_rectangle([i,0],[i+1,2])
Face = model2d.select(p0=[i+0.5,1],types='face')
AUSMaterial = prj.AUS(name='AUSMaterial',
                      color=Color(r=187,g=132,b=78),
                      Eu=30,
                      ec50=0.005,
                      ee50=0.02,
                      suc=30,
                      sue=18,
                      tension_cutoff='no',
                      sigma_t=0,
                      softening='yes',
                      suc_residual= 25,
                      e_suc_cr1=0.01,
                      e_suc_cr2=0.012,
                      sue_residual=15,
                      e_sue_cr1=0.04,
                      e_sue_cr2=0.05,
                      gamma_dry=18,
                      gamma_sat=20,
                      K0=0.58,
                      sigma_0= 0,
                      hydraulic_conductivity_option='anisotropic',
                      K=0.001,
                      Kx=0.001,
                      Ky=0.001,
                      Kz=0.001,
                      hydraulic_model='van_genuchten',
                      e=1,
                      alpha=2,
                      n=2,
                      Sr=0,
                      Ss=1,
                      reducible_strength='yes',
                      )
model2d.set_solid(shapes=Face,material=AUSMaterial)