# Variant of the 06_frac_dualpor.  Used for creating a figure in Tutorial 6 for the comparison.
flow123d_version: 4.0.0a01
problem: !Coupling_Sequential
  description: Example 6 - Fractures - flow through dead-end fractures (auxiliary)
  mesh:
    mesh_file: 04_mesh.msh
    regions:
      - !Union
        name: flow_fractures
        regions:
          - flow_fracture1
          - flow_fracture2
      - !Union
        name: deadend_fractures
        regions:
          - deadend_fracture1
          - deadend_fracture2
      - !Union
        name: BC_right
        regions:
          - .right
          - .right_points
      - !Union
        name: BC_left
        regions:
          - .left
          - .left_points
  flow_equation: !Flow_Darcy_LMH
    nonlinear_solver:
      linear_solver: !Petsc
        a_tol: 1.0e-15
        r_tol: 1.0e-15
    input_fields:
      - region: rock
        conductivity: 0.000315
        cross_section: 1
      - region: flow_fractures
        conductivity: 31.5
        cross_section: 0.01
      - region: deadend_fractures
        conductivity: 31.5
        cross_section: 0.01
      - region: BC_left
        bc_type: dirichlet
        bc_piezo_head: 0.1
      - region: BC_right
        bc_type: dirichlet
        bc_piezo_head: 0
    balance: {}
    output:
      fields:
        - piezo_head_p0
        - pressure_p0
        - velocity_p0
    solver: !Petsc
      r_tol: 1.0e-10
      a_tol: 1.0e-10
    output_stream:
      file: flow.msh
      format: !gmsh
        variant: ascii
  solute_equation: !Coupling_OperatorSplitting
    transport: !Solute_Advection_FV
      input_fields:
        - region: rock
          init_conc: 0
          porosity: 0.005
        - region: flow_fractures
          init_conc: 0
          porosity: 0.1
        - region: deadend_fractures
          init_conc: 0
          porosity: 0.005
        - region: BC_left
          bc_type: dirichlet
          bc_conc: 1.0e-05
      solver: !Petsc
        a_tol: 1.0e-12
        r_tol: 1.0e-12
    substances:
      - I
    time:
      end_time: 1000
    balance:
      cumulative: true
    output_stream:
      file: transport.pvd
      format: !gmsh
      times:
        - step: 20
