LowerBoundNodalKernel.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 "NodalKernel.h"

class LowerBoundNodalKernel : public NodalKernel
{
public:
  static InputParameters validParams();

  LowerBoundNodalKernel(const InputParameters & parameters);

protected:
  virtual Real computeQpResidual() override;
  virtual Real computeQpJacobian() override;
  virtual Real computeQpOffDiagJacobian(unsigned int jvar) override;

private:
  const unsigned int _v_var;

  const VariableValue & _v;

  std::set<BoundaryID> _bnd_ids;

  const Real _lower_bound;
};