#=========================== material properties ==============================
MATERIAL_PROPERTY soil
  ID 1
  CHARACTERISTIC_CURVES cc1
  POROSITY 0.25d0
  TORTUOSITY 0.5d0
  ROCK_DENSITY 2650.d0 kg/m^3
  THERMAL_CONDUCTIVITY_DRY 0.6d0 W/m-C
  THERMAL_CONDUCTIVITY_WET 1.9d0 W/m-C
  HEAT_CAPACITY 830.d0 J/kg-C
  PERMEABILITY
    PERM_ISO 1.d-13
  /
/
