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 "MFEMHypreLOBPCG.h"
      13             : #include "MFEMProblem.h"
      14             : 
      15             : registerMooseObject("MooseApp", MFEMHypreLOBPCG);
      16             : 
      17             : InputParameters
      18        2124 : MFEMHypreLOBPCG::validParams()
      19             : {
      20        2124 :   InputParameters params = MFEMEigensolverBase::validParams();
      21             : 
      22        4248 :   params.addClassDescription("Base class for defining MFEM eigensolver classes for Moose ");
      23        6372 :   params.addParam<int>("random_seed", 123, "Set the random seed for the solver.");
      24             : 
      25        2124 :   return params;
      26           0 : }
      27             : 
      28          13 : MFEMHypreLOBPCG::MFEMHypreLOBPCG(const InputParameters & parameters)
      29          13 :   : MFEMEigensolverBase(parameters)
      30             : {
      31          13 :   constructSolver();
      32          13 : }
      33             : 
      34             : void
      35          13 : MFEMHypreLOBPCG::constructSolver()
      36             : {
      37          13 :   _eigensolver = std::make_unique<mfem::HypreLOBPCG>(getMFEMProblem().getComm());
      38             : 
      39          13 :   _eigensolver->SetNumModes(_num_modes);
      40          26 :   _eigensolver->SetRandomSeed(getParam<int>("random_seed"));
      41          26 :   _eigensolver->SetMaxIter(getParam<int>("l_max_its"));
      42          26 :   _eigensolver->SetTol(getParam<mfem::real_t>("l_tol"));
      43          13 :   _eigensolver->SetPrecondUsageMode(1);
      44          26 :   _eigensolver->SetPrintLevel(getParam<int>("print_level"));
      45          13 :   setPreconditioner(*_eigensolver);
      46          13 : }
      47             : 
      48             : #endif