Line data    Source code

       1             : //* This file is part of the MOOSE framework
       2             : //* https://mooseframework.inl.gov
       3             : //*
       4             : //* All rights reserved, see COPYRIGHT for full restrictions
       5             : //* https://github.com/idaholab/moose/blob/master/COPYRIGHT
       6             : //*
       7             : //* Licensed under LGPL 2.1, please see LICENSE for details
       8             : //* https://www.gnu.org/licenses/lgpl-2.1.html
       9             : 
      10             : #ifdef MFEM_ENABLED
      11             : 
      12             : #include "EquationSystemProblemOperator.h"
      13             : 
      14             : namespace Moose::MFEM
      15             : {
      16             : void
      17         110 : EquationSystemProblemOperator::SetGridFunctions()
      18             : {
      19         110 :   _trial_var_names = GetEquationSystem()->TrialVarNames();
      20         110 :   ProblemOperator::SetGridFunctions();
      21         110 : }
      22             : 
      23             : void
      24         110 : EquationSystemProblemOperator::Init(mfem::BlockVector & X)
      25             : {
      26         110 :   ProblemOperator::Init(X);
      27             : 
      28         110 :   GetEquationSystem()->BuildEquationSystem();
      29         110 : }
      30             : 
      31             : void
      32          78 : EquationSystemProblemOperator::Solve(mfem::Vector &)
      33             : {
      34          78 :   GetEquationSystem()->BuildJacobian(_true_x, _true_rhs);
      35             : 
      36          78 :   if (_problem.jacobian_solver->isLOR() && _equation_system->_test_var_names.size() > 1)
      37           0 :     mooseError("LOR solve is only supported for single-variable systems");
      38             : 
      39          78 :   _problem.jacobian_solver->updateSolver(
      40          78 :       *_equation_system->_blfs.Get(_equation_system->_test_var_names.at(0)),
      41          78 :       _equation_system->_ess_tdof_lists.at(0));
      42             : 
      43          78 :   _problem.nonlinear_solver->SetSolver(_problem.jacobian_solver->getSolver());
      44          78 :   _problem.nonlinear_solver->SetOperator(*GetEquationSystem());
      45          78 :   _problem.nonlinear_solver->Mult(_true_rhs, _true_x);
      46             : 
      47          78 :   GetEquationSystem()->RecoverFEMSolution(_true_x, _problem.gridfunctions);
      48          78 : }
      49             : 
      50             : } // namespace Moose::MFEM
      51             : 
      52             : #endif