problem: !SequentialCoupling
  description: 2D2D test - Steady flow in 2D block with fracture, fracture as 2D porous
    subdomain
  mesh:
    mesh_file: ./input/2D2D.msh
  primary_equation: !Steady_MH
    n_schurs: 2
    data:
      - region: 2d_porous_block_left
        anisotropy: 0.1
      - region: 2d_porous_block_right
        anisotropy: 0.1
      - region: 2d_fracture_ends
        anisotropy: 10
      - region: 2d_fracture
        anisotropy: 10
      - region: .2d_bottom_left
        bc_type: dirichlet
        bc_pressure: !FieldFormula
          value: '1.1'
      - region: .2d_bottom_fracture
        bc_type: dirichlet
        bc_pressure: !FieldFormula
          value: '1.1'
      - region: .2d_bottom_right
        bc_type: dirichlet
        bc_pressure: !FieldFormula
          value: '1.1'
      - region: .2d_top_left
        bc_type: dirichlet
        bc_pressure: !FieldFormula
          value: '1.0'
      - region: .2d_top_fracture
        bc_type: dirichlet
        bc_pressure: !FieldFormula
          value: '1.0'
      - region: .2d_top_right
        bc_type: dirichlet
        bc_pressure: !FieldFormula
          value: '1.0'
    output:
      balance_output: balance.out
      output_stream: 
        file: ./2D2D_flow.msh
        format: !gmsh
          variant: ascii
        name: flow_output_stream
      piezo_head_p0: flow_output_stream
      pressure_p0: flow_output_stream
      pressure_p1: flow_output_stream
      raw_flow_output: ./raw_output.txt
      velocity_p0: flow_output_stream
    solver: !Petsc
      accuracy: 1.0e-07