ADComputeMeanThermalExpansionEigenstrainBase.h

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//* This file is part of the MOOSE framework
//* https://www.mooseframework.org
//*
//* 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 "ADComputeThermalExpansionEigenstrainBase.h"
 
#define usingComputeMeanThermalExpansionEigenstrainBaseMembers                                     \
  usingComputeThermalExpansionEigenstrainBaseMembers;                                              \
  using ADComputeMeanThermalExpansionEigenstrainBase<compute_stage>::referenceTemperature;         \
  using ADComputeMeanThermalExpansionEigenstrainBase<compute_stage>::meanThermalExpansionCoefficient
 
template <ComputeStage>
class ADComputeMeanThermalExpansionEigenstrainBase;
 
declareADValidParams(ADComputeMeanThermalExpansionEigenstrainBase);
 
template <ComputeStage compute_stage>
class ADComputeMeanThermalExpansionEigenstrainBase
  : public ADComputeThermalExpansionEigenstrainBase<compute_stage>
{
public:
  static InputParameters validParams();
 
  ADComputeMeanThermalExpansionEigenstrainBase(const InputParameters & parameters);
 
protected:
  /*
   * Compute the total thermal strain relative to the stress-free temperature at the
   * current temperature, as well as the current instantaneous thermal expansion coefficient.
   * param thermal_strain    The current total linear thermal strain (\f$\delta L / L\f$)
   */
  virtual void computeThermalStrain(ADReal & thermal_strain) override;
 
  /*
   * Get the reference temperature for the mean thermal expansion relationship.  This is
   * the temperature at which \f$\delta L = 0\f$.
   */
  virtual Real referenceTemperature() = 0;
 
  /*
   * Compute the mean thermal expansion coefficient relative to the reference temperature.
   * 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 ADReal meanThermalExpansionCoefficient(const ADReal & temperature) = 0;
 
  usingComputeThermalExpansionEigenstrainBaseMembers;
};