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;
};