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             : #pragma once
      13             : 
      14             : #include "EquationSystemProblemOperator.h"
      15             : #include "EigenproblemEquationSystem.h"
      16             : 
      17             : namespace Moose::MFEM
      18             : {
      19             : /// Steady-state eigenproblem operator with an equation system.
      20             : class EigenproblemESProblemOperator : public EquationSystemProblemOperator
      21             : {
      22             : public:
      23          26 :   EigenproblemESProblemOperator(MFEMProblem & problem) : EquationSystemProblemOperator(problem)
      24             :   {
      25             :     mooseAssert(std::dynamic_pointer_cast<EigenproblemEquationSystem>(_problem_data.eqn_system),
      26             :                 "MFEMProblemData::eqn_system is not an EigenproblemEquationSystem.");
      27          26 :   }
      28             : 
      29             :   virtual void Solve() override;
      30             : 
      31         156 :   [[nodiscard]] EigenproblemEquationSystem * GetEquationSystem() const override
      32             :   {
      33             :     return static_cast<EigenproblemEquationSystem *>(
      34         156 :         EquationSystemProblemOperator::GetEquationSystem());
      35             :   }
      36             : 
      37             :   mfem::OperatorHandle _mass_rhs;
      38             : 
      39             : private:
      40             :   void RecoverEigenproblemSolution(Moose::MFEM::GridFunctions & gridfunctions,
      41             :                                    MFEMEigensolverBase * eigensolver);
      42             : 
      43             : protected:
      44             :   /// Add kernels/bcs and assemble the linear part of the equation system
      45             :   void BuildEquationSystemOperator();
      46             : };
      47             : 
      48             : } // namespace Moose::MFEM
      49             : 
      50             : #endif