FEProblem.h

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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
 
#pragma once
 
#include "FEProblemBase.h"
 
class NonlinearSystem;
 
class FEProblem : public FEProblemBase
{
public:
  static InputParameters validParams();
 
  FEProblem(const InputParameters & parameters);
 
  virtual bool getUseNonlinear() const { return _use_nonlinear; }
  virtual void setUseNonlinear(bool use_nonlinear) { _use_nonlinear = use_nonlinear; }
 
  virtual void setInputParametersFEProblem(InputParameters & parameters) override;
 
  virtual NonlinearSystem & getNonlinearSystem(const unsigned int nl_sys_num) override;
 
  virtual void addLineSearch(const InputParameters & parameters) override;
  virtual void init() override;
 
protected:
  bool _use_nonlinear;
  std::vector<std::shared_ptr<NonlinearSystem>> _nl_sys;
 
private:
  using FEProblemBase::_nl;
};
 
using FVProblem = FEProblem;
 
inline NonlinearSystem &
FEProblem::getNonlinearSystem(const unsigned int nl_sys_num)
{
  return *_nl_sys[nl_sys_num];
}