C++ Transient::lastSolveConverged方法代码示例

//.........这里部分代码省略.........

          Real one_minus_step_percent = 1.0 - step_percent;

          // Do the interpolation for each variable that was transferred to
          FEProblem * problem = appProblem(_first_local_app + i);
          AuxiliarySystem & aux_system = problem->getAuxiliarySystem();
          System & libmesh_aux_system = aux_system.system();

          NumericVector<Number> & solution = *libmesh_aux_system.solution;
          NumericVector<Number> & transfer = libmesh_aux_system.get_vector("transfer");
          NumericVector<Number> & transfer_old = libmesh_aux_system.get_vector("transfer_old");

          solution.close(); // Just to be sure
          transfer.close();
          transfer_old.close();

          std::set<dof_id_type>::iterator it  = _transferred_dofs.begin();
          std::set<dof_id_type>::iterator end = _transferred_dofs.end();

          for(; it != end; ++it)
          {
            dof_id_type dof = *it;
            solution.set(dof, (transfer_old(dof) * one_minus_step_percent) + (transfer(dof) * step_percent));
//            solution.set(dof, transfer_old(dof));
//            solution.set(dof, transfer(dof));
//            solution.set(dof, 1);
          }

          solution.close();
        }

        ex->takeStep();

        bool converged = ex->lastSolveConverged();

        if (!converged)
        {
          mooseWarning("While sub_cycling "<<_name<<_first_local_app+i<<" failed to converge!"<<std::endl);
          _failures++;

          if (_failures > _max_failures)
            mooseError("While sub_cycling "<<_name<<_first_local_app+i<<" REALLY failed!"<<std::endl);
        }

        Real solution_change_norm = ex->getSolutionChangeNorm();

        if (_detect_steady_state)
          Moose::out << "Solution change norm: " << solution_change_norm << std::endl;

        if (converged && _detect_steady_state && solution_change_norm < _steady_state_tol)
        {
          Moose::out << "Detected Steady State!  Fast-forwarding to " << target_time << std::endl;

          at_steady = true;

         // Indicate that the next output call (occurs in ex->endStep()) should output, regarless of intervals etc...
          output_warehouse.forceOutput();

          // Clean up the end
          ex->endStep(target_time-app_time_offset);
        }
        else
          ex->endStep();
      }

      // If we were looking for a steady state, but didn't reach one, we still need to output one more time

bool
TransientMultiApp::solveStep(Real dt, Real target_time, bool auto_advance)
{
  if (!_has_an_app)
    return true;

  _auto_advance = auto_advance;

  _console << "Solving MultiApp " << name() << std::endl;

  // "target_time" must always be in global time
  target_time += _app.getGlobalTimeOffset();

  Moose::ScopedCommSwapper swapper(_my_comm);
  bool return_value = true;

  // Make sure we swap back the communicator regardless of how this routine is exited
  try
  {
    int rank;
    int ierr;
    ierr = MPI_Comm_rank(_orig_comm, &rank);
    mooseCheckMPIErr(ierr);

    for (unsigned int i = 0; i < _my_num_apps; i++)
    {

      FEProblemBase & problem = appProblemBase(_first_local_app + i);

      Transient * ex = _transient_executioners[i];

      // The App might have a different local time from the rest of the problem
      Real app_time_offset = _apps[i]->getGlobalTimeOffset();

      // Maybe this MultiApp was already solved
      if ((ex->getTime() + app_time_offset + 2e-14 >= target_time) ||
          (ex->getTime() >= ex->endTime()))
        continue;

      if (_sub_cycling)
      {
        Real time_old = ex->getTime() + app_time_offset;

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

          NumericVector<Number> & solution = *libmesh_aux_system.solution;
          NumericVector<Number> & transfer_old = libmesh_aux_system.get_vector("transfer_old");

          solution.close();

          // Save off the current auxiliary solution
          transfer_old = solution;

          transfer_old.close();

          // Snag all of the local dof indices for all of these variables
          AllLocalDofIndicesThread aldit(libmesh_aux_system, _transferred_vars);
          ConstElemRange & elem_range = *problem.mesh().getActiveLocalElementRange();
          Threads::parallel_reduce(elem_range, aldit);

          _transferred_dofs = aldit._all_dof_indices;
        }

        // Disable/enable output for sub cycling
        problem.allowOutput(_output_sub_cycles);         // disables all outputs, including console
        problem.allowOutput<Console>(_print_sub_cycles); // re-enables Console to print, if desired

        ex->setTargetTime(target_time - app_time_offset);

        //      unsigned int failures = 0;

        bool at_steady = false;

        if (_first && !_app.isRecovering())
          problem.advanceState();

        bool local_first = _first;

        // Now do all of the solves we need
        while ((!at_steady && ex->getTime() + app_time_offset + 2e-14 < target_time) ||
               !ex->lastSolveConverged())
        {
          if (local_first != true)
            ex->incrementStepOrReject();

          local_first = false;

          ex->preStep();
          ex->computeDT();

          if (_interpolate_transfers)
          {
            // See what time this executioner is going to go to.
            Real future_time = ex->getTime() + app_time_offset + ex->getDT();

            // How far along we are towards the target time:
            Real step_percent = (future_time - time_old) / (target_time - time_old);
//.........这里部分代码省略.........