NodalKernel.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 "NodalKernelBase.h"
#include "MooseVariableInterface.h"

class NodalKernel : public NodalKernelBase, public MooseVariableInterface<Real>
{
public:
  static InputParameters validParams();

  NodalKernel(const InputParameters & parameters);

  virtual void computeResidual() override;

  virtual void computeJacobian() override;

  virtual void computeOffDiagJacobian(unsigned int jvar) override;

  const MooseVariable & variable() const override { return _var; }

protected:
  virtual Real computeQpResidual() = 0;

  virtual Real computeQpJacobian();

  virtual Real computeQpOffDiagJacobian(unsigned int jvar);

  MooseVariable & _var;

  const VariableValue & _u;

  bool _has_save_in;
  std::vector<MooseVariableFEBase *> _save_in;
  std::vector<AuxVariableName> _save_in_strings;

  bool _has_diag_save_in;
  std::vector<MooseVariableFEBase *> _diag_save_in;
  std::vector<AuxVariableName> _diag_save_in_strings;
};