# 7.6.16.6.16. Van_Genuchten_Gas

Syntax

  Relative Permeability [{of} SpeciesName] = Van_Genuchten_Gas (Liquid_Phase_Name = liquid_phase_name | [Beta_Field = beta_field] | [Sgr_Field = sgr_field] | [Slr_Field = slr_field] | [Beta = beta] | [Residual_Liquid_Phase_Saturation = residual_liquid_phase_saturation] | [Residual_Gas_Phase_Saturation = residual_gas_phase_saturation])

Scope

  Aria Material

Summary

  A Van Genuchten gas model for relative permeability

Parameter | Value | Default
--- | --- | ---
{of} | {of | species | subindex} | –
SpeciesName | string | –
liquid_phase_name | “string” | –
beta_field | “string” | –
sgr_field | “string” | –
slr_field | “string” | –
beta | real | 0
residual_liquid_phase_saturation | real | 0
residual_gas_phase_saturation | real | 0