ADDiracKernel.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 "DiracKernelBase.h"
#include "MooseVariableInterface.h"
#include "ADFunctorInterface.h"
 
class ADDiracKernel : public DiracKernelBase,
                      public MooseVariableInterface<Real>,
                      public ADFunctorInterface
{
public:
  static InputParameters validParams();
 
  ADDiracKernel(const InputParameters & parameters);
 
  virtual void jacobianSetup() override;
 
  virtual void computeResidual() override;
  virtual void computeJacobian() override;
  virtual void computeOffDiagJacobian(unsigned int jvar) override;
  virtual void computeResidualAndJacobian() override;
 
  virtual const MooseVariableField<Real> & variable() const override { return _var; }
 
protected:
  virtual ADReal computeQpResidual() = 0;
 
  MooseVariableField<Real> & _var;
 
  const ADTemplateVariablePhiValue<Real> & _phi;
 
  const ADTemplateVariableTestValue<Real> & _test;
 
  const ADTemplateVariableValue<Real> & _u;
  const ADTemplateVariableGradient<Real> & _grad_u;
 
private:
  void computeADResiduals();
  void computeFullJacobian();
 
  std::vector<ADReal> _ad_residuals;
  const Elem * _last_jacobian_elem;
};