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 "EquationSystem.h"
      15             : 
      16             : namespace Moose::MFEM
      17             : {
      18             : /**
      19             :  * Class to store weak form components for time dependent PDEs
      20             :  */
      21             : class TimeDependentEquationSystem : public EquationSystem
      22             : {
      23             : public:
      24             :   TimeDependentEquationSystem(const Moose::MFEM::TimeDerivativeMap & time_derivative_map);
      25             : 
      26        1048 :   virtual void SetTimeStep(mfem::real_t & dt) { _dt = dt; };
      27             :   virtual void AddKernel(std::shared_ptr<MFEMKernel> kernel) override;
      28             : 
      29             : protected:
      30             :   virtual void BuildBilinearForms() override;
      31             :   virtual void BuildMixedBilinearForms() override;
      32             :   virtual void BuildNonlinearForms() override;
      33             :   virtual void EliminateCoupledVariables() override;
      34             : 
      35             :   /// Timestep size
      36             :   mfem::real_t _dt;
      37             : 
      38             :   Moose::MFEM::NamedFieldsMap<Moose::MFEM::NamedFieldsMap<std::vector<std::shared_ptr<MFEMKernel>>>>
      39             :       _td_kernels_map;
      40             :   /// Containers to store contributions to weak form of the form (F du/dt, v)
      41             :   Moose::MFEM::NamedFieldsMap<mfem::ParBilinearForm> _td_blfs;
      42             :   Moose::MFEM::NamedFieldsMap<Moose::MFEM::NamedFieldsMap<mfem::ParMixedBilinearForm>>
      43             :       _td_mblfs; // named according to trial variable
      44             : 
      45             :   /// Map between variable names and their time derivatives
      46             :   const Moose::MFEM::TimeDerivativeMap & _time_derivative_map;
      47             : 
      48             : private:
      49             :   friend class TimeDependentEquationSystemProblemOperator;
      50             : };
      51             : 
      52             : } // namespace Moose::MFEM
      53             : 
      54             : #endif