SIMULATION
  SIMULATION_TYPE SUBSURFACE
  PROCESS_MODELS
    SUBSURFACE_FLOW flow
      MODE GENERAL
    /
  /
END

SUBSURFACE

GRID
  TYPE structured
  NXYZ 1 1 10
  DXYZ
   1.0d0
   1.0d0
   10.0d0
  END
END

REGION all
  COORDINATES
    0.0d0 0.0d0 0.0d0
    1.0d0 1.0d0 100.0d0
  /
END

REGION top_end
  FACE TOP
  COORDINATES
    0.d0 0.d0 100.0d0
    1.0d0 1.0d0 100.0d0
  /
END

REGION bottom_end
  FACE BOTTOM
  COORDINATES
    0.d0 0.d0 0.d0
    1.0d0 1.0d0 0.d0
  /
END

MATERIAL_PROPERTY beam
  ID 1
  POROSITY 0.50d0
  TORTUOSITY 1.d0
  ROCK_DENSITY 2.8E3
  HEAT_CAPACITY 1.d-3
  THERMAL_CONDUCTIVITY_DRY 1 W/m-C
  THERMAL_CONDUCTIVITY_WET 1 W/m-C
  CHARACTERISTIC_CURVES cc1
  PERMEABILITY
    PERM_X 1.d-12
    PERM_Y 1.d-12
    PERM_Z 1.d-12
  /
END

CHARACTERISTIC_CURVES cc1
  SATURATION_FUNCTION VAN_GENUCHTEN
    LIQUID_RESIDUAL_SATURATION 0.5d-1
    M 0.75
    ALPHA 1.d-3
  /
  PERMEABILITY_FUNCTION MUALEM
    LIQUID_RESIDUAL_SATURATION 0.1d0
    M 0.5d0
  /
  PERMEABILITY_FUNCTION MUALEM_VG_GAS
    LIQUID_RESIDUAL_SATURATION 0.1d0
    GAS_RESIDUAL_SATURATION 0.1d0
    M 0.5d0
  /
END

STRATA
  REGION all
  MATERIAL beam
END

FLUID_PROPERTY
  DIFFUSION_COEFFICIENT 1.d-9
END

EOS WATER
 DENSITY CONSTANT 1019.d0 kg/m^3
 VISCOSITY CONSTANT 1.0d-3 Pa-s
END

TIME
  FINAL_TIME 1 yr
  INITIAL_TIMESTEP_SIZE 1.d-4 day
  MAXIMUM_TIMESTEP_SIZE 0.1d0 yr at 0.d0 yr
END

OUTPUT
  SNAPSHOT_FILE
    NO_PRINT_INITIAL
    #NO_PRINT_FINAL
    FORMAT HDF5
  /
END

FLOW_CONDITION initial
  TYPE
    TEMPERATURE dirichlet
    LIQUID_PRESSURE dirichlet
    MOLE_FRACTION dirichlet
  /
  TEMPERATURE 25.d0 C
  LIQUID_PRESSURE 101325. Pa
  MOLE_FRACTION 1.d-10
END

FLOW_CONDITION top_end
  TYPE
    TEMPERATURE dirichlet
    LIQUID_PRESSURE dirichlet
    MOLE_FRACTION dirichlet
  /
  TEMPERATURE 25.d0 C
  LIQUID_PRESSURE 101325. Pa
  MOLE_FRACTION 1.d-10
END

FLOW_CONDITION bottom_end
  TYPE
    TEMPERATURE dirichlet
    LIQUID_FLUX neumann
    GAS_FLUX neumann
  /
  TEMPERATURE 25.d0 C
  LIQUID_FLUX 0. m/sec
  GAS_FLUX 0. m/sec
END

INITIAL_CONDITION initial
  REGION all
  FLOW_CONDITION initial
END

BOUNDARY_CONDITION top_end
  REGION top_end
  FLOW_CONDITION top_end
END

BOUNDARY_CONDITION bottom_end
  FLOW_CONDITION bottom_end
  REGION bottom_end
END

END_SUBSURFACE