SetupPreconditionerAction.C

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html
 
// MOOSE includes
#include "SetupPreconditionerAction.h"
#include "Factory.h"
#include "PetscSupport.h"
#include "MoosePreconditioner.h"
#include "FEProblem.h"
#include "CreateExecutionerAction.h"
#include "NonlinearSystemBase.h"
 
unsigned int SetupPreconditionerAction::_count = 0;
 
registerMooseAction("MooseApp", SetupPreconditionerAction, "add_preconditioning");
 
InputParameters
SetupPreconditionerAction::validParams()
{
  InputParameters params = MooseObjectAction::validParams();
  params.addClassDescription("Add a Preconditioner object to the simulation.");
  return params;
}
 
SetupPreconditionerAction::SetupPreconditionerAction(const InputParameters & params)
  : MooseObjectAction(params)
{
}
 
void
SetupPreconditionerAction::act()
{
  if (_problem.get() != NULL)
  {
    // build the preconditioner
    std::shared_ptr<MoosePreconditioner> pc =
        _factory.create<MoosePreconditioner>(_type, _name, _moose_object_pars);
 
    pc->_nl.setPreconditioner(pc);
  }
}