ComputeDilatationThermalExpansionFunctionEigenstrain computes an eigenstrain for thermal expansion from an dilatation function. More...

#include <ComputeDilatationThermalExpansionFunctionEigenstrain.h>

Inheritance diagram for ComputeDilatationThermalExpansionFunctionEigenstrain:

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Public Member Functions
	ComputeDilatationThermalExpansionFunctionEigenstrain (const InputParameters &parameters)

Static Public Member Functions
static InputParameters	validParams ()

Protected Member Functions
virtual Real	computeDilatation (const Real &temperature) override

virtual Real	computeDilatationDerivative (const Real &temperature) override

virtual void	computeThermalStrain (Real &thermal_strain, Real &instantaneous_cte) override

virtual void	computeQpEigenstrain () override

Protected Attributes
const Function &	_dilatation_function
	Dilatation function. More...

const VariableValue &	_temperature

MaterialProperty< RankTwoTensor > &	_deigenstrain_dT

const VariableValue &	_stress_free_temperature

Detailed Description

ComputeDilatationThermalExpansionFunctionEigenstrain computes an eigenstrain for thermal expansion from an dilatation function.

Definition at line 24 of file ComputeDilatationThermalExpansionFunctionEigenstrain.h.

Constructor & Destructor Documentation

◆ ComputeDilatationThermalExpansionFunctionEigenstrain()

ComputeDilatationThermalExpansionFunctionEigenstrain::ComputeDilatationThermalExpansionFunctionEigenstrain ( const InputParameters & parameters )

Definition at line 31 of file ComputeDilatationThermalExpansionFunctionEigenstrain.C.

   : ComputeDilatationThermalExpansionEigenstrainBase(parameters),
     _dilatation_function(getFunction("dilatation_function"))
 {
 }

Member Function Documentation

◆ computeDilatation()

Real ComputeDilatationThermalExpansionFunctionEigenstrain::computeDilatation ( const Real & temperature )

overrideprotectedvirtual

Implements ComputeDilatationThermalExpansionEigenstrainBase.

Definition at line 38 of file ComputeDilatationThermalExpansionFunctionEigenstrain.C.

 {
   return _dilatation_function.value(temperature, Point());
 }

◆ computeDilatationDerivative()

Real ComputeDilatationThermalExpansionFunctionEigenstrain::computeDilatationDerivative ( const Real & temperature )

overrideprotectedvirtual

Implements ComputeDilatationThermalExpansionEigenstrainBase.

Definition at line 44 of file ComputeDilatationThermalExpansionFunctionEigenstrain.C.

 {
   return _dilatation_function.timeDerivative(temperature, Point());
 }

◆ computeQpEigenstrain()

void ComputeThermalExpansionEigenstrainBase::computeQpEigenstrain ( )

overrideprotectedvirtualinherited

Definition at line 38 of file ComputeThermalExpansionEigenstrainBase.C.

 {
   Real thermal_strain = 0.0;
  
   // instantaneous_cte is just the derivative of thermal_strain with respect to temperature
   Real instantaneous_cte = 0.0;
  
   computeThermalStrain(thermal_strain, instantaneous_cte);
  
   _eigenstrain[_qp].zero();
   _eigenstrain[_qp].addIa(thermal_strain);
  
   _deigenstrain_dT[_qp].zero();
   _deigenstrain_dT[_qp].addIa(instantaneous_cte);
 }

◆ computeThermalStrain()

void ComputeDilatationThermalExpansionEigenstrainBase::computeThermalStrain	(	Real &	thermal_strain,
		Real &	instantaneous_cte
	)

overrideprotectedvirtualinherited

Implements ComputeThermalExpansionEigenstrainBase.

Definition at line 27 of file ComputeDilatationThermalExpansionEigenstrainBase.C.

 {
   const Real stress_free_thexp = computeDilatation(_stress_free_temperature[_qp]);
   thermal_strain = computeDilatation(_temperature[_qp]) - stress_free_thexp;
   dthermal_strain_dT = computeDilatationDerivative(_temperature[_qp]);
 }

◆ validParams()

InputParameters ComputeDilatationThermalExpansionFunctionEigenstrain::validParams ( )

static

Definition at line 19 of file ComputeDilatationThermalExpansionFunctionEigenstrain.C.

 {
   InputParameters params = ComputeDilatationThermalExpansionEigenstrainBase::validParams();
   params.addClassDescription("Computes eigenstrain due to thermal expansion using a function that "
                              "describes the total dilatation as a function of temperature");
   params.addRequiredParam<FunctionName>(
       "dilatation_function",
       "Function describing the thermal dilatation as a function of temperature");
   return params;
 }