SIMULATION
  SIMULATION_TYPE SUBSURFACE
  PROCESS_MODELS
    SUBSURFACE_FLOW flow
      MODE GENERAL
    /
  /
END

SUBSURFACE

GRID
  TYPE structured
  NXYZ 15 15 1
  DXYZ
   0.06666666666666667d0
   0.06666666666666667d0
   1.0d0
  END
END

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

REGION west_face
  FACE WEST
  COORDINATES
    0.d0 0.d0 0.d0
    0.d0 1.0d0 1.0d0
  /
END

REGION east_face
  FACE EAST
  COORDINATES
    1.0d0 0.d0 0.d0
    1.0d0 1.0d0 1.0d0
  /
END

REGION north_face
  FACE NORTH
  COORDINATES
    0.d0 1.0d0 0.d0
    1.0d0 1.0d0 1.0d0
  /
END

REGION south_face
  FACE SOUTH
  COORDINATES
    0.d0  0.d0  0.d0
    1.0d0 0.d0 1.0d0
  /
END

MATERIAL_PROPERTY plate
  ID 1
  POROSITY 0.50
  TORTUOSITY 1.d0
  ROCK_DENSITY 2.8E3
  HEAT_CAPACITY 100.
  THERMAL_CONDUCTIVITY_DRY 1 W/m-C
  THERMAL_CONDUCTIVITY_WET 1 W/m-C
  CHARACTERISTIC_CURVES cc1
  PERMEABILITY
    PERM_X 1.d-15
    PERM_Y 1.d-15
    PERM_Z 1.d-15
  /
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 0.05d0
    M 0.5d0
  /
  PERMEABILITY_FUNCTION MUALEM_VG_GAS
    LIQUID_RESIDUAL_SATURATION 0.05d0
    GAS_RESIDUAL_SATURATION 0.1d0
    M 0.5d0
  /
END

STRATA
  REGION all
  MATERIAL plate
END

FLUID_PROPERTY
  DIFFUSION_COEFFICIENT 1.d-9
END

EOS GAS
 VISCOSITY CONSTANT 1.0d-5 Pa-s
END

TIME
  FINAL_TIME 10 yr
  INITIAL_TIMESTEP_SIZE 1.d-4 day
  MAXIMUM_TIMESTEP_SIZE 0.01d0 yr at 0.d0 yr
END

OUTPUT
  SNAPSHOT_FILE
    NO_PRINT_INITIAL
    #NO_PRINT_FINAL
    FORMAT HDF5
  /
END

DATASET flux_bc_north
  HDF5_DATASET_NAME x_line_cell_centered_north
  FILENAME ../dataset.h5
END

DATASET flux_bc_east
  HDF5_DATASET_NAME y_line_cell_centered_east
  FILENAME ../dataset.h5
END

FLOW_CONDITION initial
  TYPE
    TEMPERATURE dirichlet
    MOLE_FRACTION dirichlet
    GAS_PRESSURE dirichlet
  /
  TEMPERATURE 25.d0 C
  MOLE_FRACTION 0.98
  GAS_PRESSURE 1.0d5 Pa
END

FLOW_CONDITION east_face
  TYPE
    TEMPERATURE dirichlet
    LIQUID_FLUX neumann
    GAS_FLUX neumann
  /
  TEMPERATURE 25.d0 C
  LIQUID_FLUX 0.d0 m/s
  GAS_FLUX DATASET flux_bc_east
END

FLOW_CONDITION north_face
  TYPE
    TEMPERATURE dirichlet
    LIQUID_FLUX neumann
    GAS_FLUX neumann
  /
  TEMPERATURE 25.d0 C
  LIQUID_FLUX 0.d0 m/s
  GAS_FLUX DATASET flux_bc_north
END

FLOW_CONDITION dirichlet_pressure
  TYPE
    TEMPERATURE dirichlet
    MOLE_FRACTION dirichlet
    GAS_PRESSURE dirichlet
  /
  TEMPERATURE 25.d0 C
  MOLE_FRACTION 0.98
  GAS_PRESSURE 1.0d5 Pa
END

INITIAL_CONDITION initial
  REGION all
  FLOW_CONDITION initial
END

BOUNDARY_CONDITION west_face
  REGION west_face
  FLOW_CONDITION dirichlet_pressure
END

BOUNDARY_CONDITION south_face
  REGION south_face
  FLOW_CONDITION dirichlet_pressure
END

BOUNDARY_CONDITION east_face
  FLOW_CONDITION east_face
  REGION east_face
END

BOUNDARY_CONDITION north_face
  FLOW_CONDITION north_face
  REGION north_face
END

END_SUBSURFACE