PELICANS C++ application framework for PDE

MODULE PEL_Application
   concrete_name="AP_TutorialFV"
   MODULE PDE_DomainAndFields 
      verbose_level = 1
      nb_space_dimensions = 2
      type = "finite_element"
      MODULE GE_Meshing
         concrete_name = "GE_BoxWithBoxes"         
         vertices_coordinate_0 = regular_vector( 0.0, 10, 0.3 )
         vertices_coordinate_1 = regular_vector( 0.0, 10, 0.4 )
         mesh_polyhedron = < "GE_Segment" "GE_Rectangle" >         
      END MODULE GE_Meshing
      MODULE interior_fields    
         MODULE temperature
            name = "temperature"
            nb_components = 1
            element_name = "PDE_2D_Q0_1node"
            storage_depth = 1
            MODULE DOFs_values
               type = "uniformly_defined"
               value = < 0. >
            END MODULE DOFs_values
         END MODULE temperature
      END MODULE interior_fields
      MODULE boundary_conditions
         MODULE xxx
            field = "temperature"
            color = "left"
            type = "imposed_flux"
            flux_value = 50.E+3
         END MODULE xxx
         MODULE yyy
            field = "temperature"
            color = "top"
            type = "Dirichlet"
            value = 100.
         END MODULE yyy
      END MODULE boundary_conditions
      MODULE PDE_ResultSaver
         writers = < "PEL_TICwriter" "PEL_PelWriter" >
         writing_mode = "text"
         files_basename = "save"
         MODULE temperature
            where_to_save = "at_cell_centers"
            entry_name = "T"
            field = "temperature"
         END MODULE temperature
      END MODULE PDE_ResultSaver
   END MODULE PDE_DomainAndFields
   MODULE AP_TutorialFV
      conductivity = 236.
      MODULE LA_Matrix
         concrete_name = "LA_PelMatrix"
      END MODULE LA_Matrix
      MODULE LA_Solver
         concrete_name = "LA_PreconditionedSolver"
         MODULE LA_IterativeSolver
            concrete_name = "LA_CG_IS"
            verbose = false
            nb_iterations_max = 2000
            MODULE LA_ConvergenceTest
               concrete_name = "LA_DefaultConvergenceTest"
               relative_tolerance = 1.e-7
               absolute_tolerance = 1.e-50
            END MODULE LA_ConvergenceTest
         END MODULE LA_IterativeSolver
         MODULE LA_Preconditioner
            concrete_name = "LA_Jacobi_PC"
            smallest_inverted_item = 1.0e-20
         END MODULE LA_Preconditioner
      END MODULE LA_Solver
   END MODULE AP_TutorialFV
END MODULE PEL_Application