SimPEG.flow.richards.empirical.Vangenuchten_theta#

class SimPEG.flow.richards.empirical.Vangenuchten_theta(mesh, theta_r=0.078, theta_rMap=None, theta_s=0.43, theta_sMap=None, n=1.56, nMap=None, alpha=0.036, alphaMap=None, **kwargs)[source]#

Bases: BaseWaterRetention

Attributes

`alpha`	Related to the inverse of the air entry suction [l-1], >0 physical property model.
`alphaDeriv`	Derivative of related to the inverse of the air entry suction [L-1], >0 wrt the model.
`alphaMap`	Mapping of the inversion model to related to the inverse of the air entry suction [L-1], >0.
`n`	Measure of the pore-size distribution, >1 physical property model.
`nDeriv`	Derivative of measure of the pore-size distribution, >1 wrt the model.
`nMap`	Mapping of the inversion model to measure of the pore-size distribution, >1.
`theta_r`	Residual water content [l3l-3] physical property model.
`theta_rDeriv`	Derivative of residual water content [L3L-3] wrt the model.
`theta_rMap`	Mapping of the inversion model to residual water content [L3L-3].
`theta_s`	Saturated water content [l3l-3] physical property model.
`theta_sDeriv`	Derivative of saturated water content [L3L-3] wrt the model.
`theta_sMap`	Mapping of the inversion model to saturated water content [L3L-3].

Methods

`__call__`(u)	Call self as a function.
`derivM`(u)	derivative with respect to m

derivU