# 7.6.17.2.13. Van_Genuchten

Syntax

  Saturation [{of} SpeciesName] = Van_Genuchten [Is_Wetting_Phase = is_wetting_phase | Nonwetting_Phase = nonwetting_phase | Reference_Capillary_Pressure = reference_capillary_pressure | Beta = beta | Residual_Wetting_Phase_Saturation = residual_wetting_phase_saturation | Residual_Nonwetting_Phase_Saturation = residual_nonwetting_phase_saturation | Pcstar = PcStar | Pcmax = PcMax]

Scope

  Aria Material

Summary

  A Van Genuchten model for saturation using capillary pressure

Parameter | Value | Default
--- | --- | ---
{of} | {of | species | subindex} | –
SpeciesName | string | –
is_wetting_phase | integer | 0
nonwetting_phase | “string” | NONWETTING_PHASE
reference_capillary_pressure | real | –
beta | real | –
residual_wetting_phase_saturation | real | –
residual_nonwetting_phase_saturation | real | –
PcStar | real | 1e+06
PcMax | real | 1e+06