ComputeMeanThermalExpansionEigenstrainBase.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 "ComputeThermalExpansionEigenstrainBase.h"
 
template <bool is_ad>
class ComputeMeanThermalExpansionEigenstrainBaseTempl
  : public ComputeThermalExpansionEigenstrainBaseTempl<is_ad>
{
public:
  static InputParameters validParams();
 
  ComputeMeanThermalExpansionEigenstrainBaseTempl(const InputParameters & parameters);
 
protected:
  virtual ValueAndDerivative<is_ad> computeThermalStrain() override;
 
  virtual Real referenceTemperature() = 0;
 
  /*
   * Compute the mean thermal expansion coefficient relative to the reference temperature
   * along with its temperature derivative.
   * This is the linear thermal strain divided by the temperature difference:
   * \f$\bar{\alpha}=(\delta L / L)/(T - T_{ref})\f$.
   * @param temperature  temperature at which this is evaluated
   */
  virtual ValueAndDerivative<is_ad>
  meanThermalExpansionCoefficient(const ValueAndDerivative<is_ad> & temperature) = 0;
 
  const Real _thermal_expansion_scale_factor;
 
  using ComputeThermalExpansionEigenstrainBaseTempl<is_ad>::_qp;
};
 
typedef ComputeMeanThermalExpansionEigenstrainBaseTempl<false>
    ComputeMeanThermalExpansionEigenstrainBase;
typedef ComputeMeanThermalExpansionEigenstrainBaseTempl<true>
    ADComputeMeanThermalExpansionEigenstrainBase;