C++ MooseApp::getExecutioner方法代码示例

std::string
outputExecutionInformation(MooseApp & app, FEProblem & problem)
{

  std::stringstream oss;
  oss << std::left;

  Executioner * exec = app.getExecutioner();

  oss << "Execution Information:\n"
      << std::setw(console_field_width) << "  Executioner: " << demangle(typeid(*exec).name()) << '\n';

  std::string time_stepper = exec->getTimeStepperName();
  if (time_stepper != "")
    oss << std::setw(console_field_width) << "  TimeStepper: " << time_stepper << '\n';

  oss << std::setw(console_field_width) << "  Solver Mode: " << Moose::stringify<Moose::SolveType>(problem.solverParams()._type) << '\n';

  const std::string & pc_desc = problem.getPetscOptions().pc_description;
  if (!pc_desc.empty())
    oss << std::setw(console_field_width) << "  Preconditioner: " << pc_desc << '\n';
  oss << '\n';

  return oss.str();
}

void
FullSolveMultiApp::initialSetup()
{
  MultiApp::initialSetup();

  if (_has_an_app)
  {
    MPI_Comm swapped = Moose::swapLibMeshComm(_my_comm);

    _executioners.resize(_my_num_apps);

    // Grab Executioner from each app
    for (unsigned int i=0; i<_my_num_apps; i++)
    {
      MooseApp * app = _apps[i];
      Executioner * ex = app->getExecutioner();

      if (!ex)
        mooseError("Executioner does not exist!");

      ex->init();

      _executioners[i] = ex;
    }
    // Swap back
    Moose::swapLibMeshComm(swapped);
  }
}

void
TransientMultiApp::setupApp(unsigned int i, Real /*time*/)  // FIXME: Should we be passing time?
{
  MooseApp * app = _apps[i];
  Transient * ex = dynamic_cast<Transient *>(app->getExecutioner());
  if (!ex)
    mooseError("MultiApp " << name() << " is not using a Transient Executioner!");

  // Get the FEProblemBase for the current MultiApp
  FEProblemBase & problem = appProblemBase(_first_local_app + i);

  // Update the file numbers for the outputs from the parent application
  app->getOutputWarehouse().setFileNumbers(_app.getOutputFileNumbers());

  // Call initialization method of Executioner (Note, this preforms the output of the initial time step, if desired)
  ex->init();

  if (_interpolate_transfers)
  {
    AuxiliarySystem & aux_system = problem.getAuxiliarySystem();
    System & libmesh_aux_system = aux_system.system();

    // We'll store a copy of the auxiliary system's solution at the old time in here
    libmesh_aux_system.add_vector("transfer_old", false);

    // This will be where we'll transfer the value to for the "target" time
    libmesh_aux_system.add_vector("transfer", false);
  }

  ex->preExecute();
  problem.advanceState();
  _transient_executioners[i] = ex;
}

void
TransientMultiApp::setupApp(unsigned int i, Real /*time*/, bool output_initial)  // FIXME: Should we be passing time?
{

  MooseApp * app = _apps[i];
  Transient * ex = dynamic_cast<Transient *>(app->getExecutioner());
  if (!ex)
    mooseError("MultiApp " << _name << " is not using a Transient Executioner!");

  // Get the FEProblem and OutputWarehouse for the current MultiApp
  FEProblem * problem = appProblem(_first_local_app + i);
  OutputWarehouse & output_warehouse = _apps[i]->getOutputWarehouse();

  if (!output_initial)
  {
    ex->outputInitial(false);//\todo{Remove; handled within ex->init()}
    output_warehouse.allowOutput(false);
  }

  // Set the file numbers of the i-th app to that of the parent app
  output_warehouse.setFileNumbers(app->getOutputFileNumbers());

  // Call initialization method of Executioner (Note, this preforms the output of the initial time step, if desired)
  ex->init();

  // Enable output after setup
  output_warehouse.allowOutput(true);

  if (_interpolate_transfers)
  {
    AuxiliarySystem & aux_system = problem->getAuxiliarySystem();
    System & libmesh_aux_system = aux_system.system();

    // We'll store a copy of the auxiliary system's solution at the old time in here
    libmesh_aux_system.add_vector("transfer_old", false);

    // This will be where we'll transfer the value to for the "target" time
    libmesh_aux_system.add_vector("transfer", false);
  }

  ex->preExecute();
  problem->copyOldSolutions();
  _transient_executioners[i] = ex;

  if (_detect_steady_state || _tolerate_failure)
  {
    _apps[i]->getOutputWarehouse().allowOutput(false);
    ex->allowOutput(false);
  }
}