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 MOOSE_MFEM_ENABLED
      11             : 
      12             : #include "EquationSystemProblemOperator.h"
      13             : 
      14             : namespace Moose::MFEM
      15             : {
      16             : void
      17         236 : EquationSystemProblemOperator::SetGridFunctions()
      18             : {
      19         236 :   _test_var_names = GetEquationSystem()->TestVarNames();
      20         236 :   _trial_var_names = GetEquationSystem()->TrialVarNames();
      21         236 :   ProblemOperator::SetGridFunctions();
      22         236 : }
      23             : 
      24             : void
      25         236 : EquationSystemProblemOperator::Init(mfem::BlockVector & X)
      26             : {
      27         236 :   ProblemOperator::Init(X);
      28             : 
      29         236 :   GetEquationSystem()->BuildEquationSystem();
      30         236 : }
      31             : 
      32             : void
      33         188 : EquationSystemProblemOperator::Solve()
      34             : {
      35         188 :   GetEquationSystem()->BuildJacobian(_true_x, _true_rhs);
      36             : 
      37         188 :   if (_problem_data.jacobian_solver->isLOR() && _equation_system->_test_var_names.size() > 1)
      38           0 :     mooseError("LOR solve is only supported for single-variable systems");
      39             : 
      40         188 :   _problem_data.jacobian_solver->updateSolver(
      41         188 :       *_equation_system->_blfs.Get(_equation_system->_test_var_names.at(0)),
      42         188 :       _equation_system->_ess_tdof_lists.at(0));
      43             : 
      44         188 :   _problem_data.nonlinear_solver->SetSolver(_problem_data.jacobian_solver->getSolver());
      45         188 :   _problem_data.nonlinear_solver->SetOperator(*GetEquationSystem());
      46         188 :   _problem_data.nonlinear_solver->Mult(_true_rhs, _true_x);
      47             : 
      48         188 :   GetEquationSystem()->RecoverFEMSolution(_true_x, _problem_data.gridfunctions);
      49         188 : }
      50             : 
      51             : } // namespace Moose::MFEM
      52             : 
      53             : #endif