AdjointStrainSymmetricStressGradInnerProduct.h

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
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//* 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 "ElementOptimizationFunctionInnerProduct.h"
#include "SymmetricRankTwoTensor.h"

class AdjointStrainSymmetricStressGradInnerProduct : public ElementOptimizationFunctionInnerProduct
{
public:
  static InputParameters validParams();
  AdjointStrainSymmetricStressGradInnerProduct(const InputParameters & parameters);

protected:
  virtual Real computeQpInnerProduct() override;

  const std::string _base_name;

  const MaterialProperty<SymmetricRankTwoTensor> & _stress_derivative;

  const MaterialProperty<RankTwoTensor> & _adjoint_strain;
};