ArrayKernel.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 "KernelBase.h"
#include "MooseVariableInterface.h"
#include "MooseVariableScalar.h"
 
class ArrayKernel : public KernelBase, public MooseVariableInterface<RealEigenVector>
{
public:
  static InputParameters validParams();
 
  ArrayKernel(const InputParameters & parameters);
 
  virtual void computeResidual() override;
 
  virtual void computeJacobian() override;
 
  virtual void computeOffDiagJacobian(unsigned int jvar) override;
 
  virtual void computeOffDiagJacobianScalar(unsigned int jvar) override;
 
  virtual const ArrayMooseVariable & variable() const override { return _var; }
 
protected:
  virtual void computeQpResidual(RealEigenVector & residual) = 0;
 
  virtual RealEigenVector computeQpJacobian();
 
  virtual RealEigenMatrix computeQpOffDiagJacobian(const MooseVariableFEBase & jvar);
 
  virtual RealEigenMatrix computeQpOffDiagJacobianScalar(const MooseVariableScalar & jvar);
 
  virtual void initQpResidual() {}
 
  virtual void initQpJacobian() {}
 
  virtual void initQpOffDiagJacobian(const MooseVariableFEBase & jvar)
  {
    if (jvar.number() == _var.number())
      initQpJacobian();
  }
 
  ArrayMooseVariable & _var;
 
  const ArrayVariableTestValue & _test;
 
  const ArrayVariableTestGradient & _grad_test;
  const MappedArrayVariablePhiGradient & _array_grad_test;
 
  const ArrayVariablePhiValue & _phi;
 
  const ArrayVariablePhiGradient & _grad_phi;
 
  const ArrayVariableValue & _u;
 
  const ArrayVariableGradient & _grad_u;
 
  const unsigned int _count;
 
private:
  RealEigenVector _work_vector;
 
  RealEigenMatrix _work_matrix;
};