ModifiedCamClay

Define a Modified Cam Clay material.

Parameters

name : str: String naming the material.
color : Color: Material appearance. color=rgb(197,138,38)
drainage : str: Material drainage type. drainage = 'drained_undrained', 'always_drained', 'non_porous'
cavitation_cutoff : str: cavitation_cutoff = 'no' or 'yes'
pcav : float: Cavitation pressure in kPa.
parameter_set : str: Stiffnes parameters in v:ln(p') plane or v:log10(sigma'_v). parameter_set= 'A' or 'B'
mcc_kappa : float: Slope of unloading-reloading line.
mcc_lambda : float: Slope of normal compression line.
C_s : float: Swelling index.
C_c : float: Compression index.
nu : float: Poisson's ratio.
c : float: Cohesion in kPa
phi : float: Friction angle in degrees
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.
OCR : float: Over consolidation ratio.
K0 : float: Earth pressure coefficient at rest.
e0 : float: Initial void ratio.
creep : str: Enable creep. creep = 'yes' or 'no'
relative_creep_index : float: Creep index relative to compression index.
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 = 9
model2d.add_rectangle([i,0],[i+1,2])
Face = model2d.select(p0=[i+0.5,1],types='face')
MCCMaterial = prj.ModifiedCamClay(name='MCCMaterial',
                        color=rgb(197,138,38),
                        drainage = 'drained_undrained',
                        cavitation_cutoff=False,
                        pcav=100,
                        parameter_set= 'B',
                        mcc_kappa= 0.02,
                        mcc_lambda=0.1,
                        C_s=0.01,
                        C_c=0.1,
                        nu=0.25,
                        c=0,
                        phi=30,
                        tension_cutoff='yes',
                        sigma_t=0,
                        gamma_dry=18,
                        gamma_sat=20,
                        OCR = 1,
                        K0 = 0.5,
                        e0 = 1,
                        creep = 'yes',
                        relative_creep_index = 0.05,
                        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=MCCMaterial)