KKSXeVacSolidMaterial Class Reference

#include <KKSXeVacSolidMaterial.h>

Inheritance diagram for KKSXeVacSolidMaterial:

Public Member Functions
	KKSXeVacSolidMaterial (const InputParameters &parameters)

Protected Member Functions
virtual unsigned int	expectedNumArgs ()
virtual Real	computeF ()
virtual Real	computeDF (unsigned int arg)
virtual Real	computeD2F (unsigned int arg1, unsigned int arg2)

Private Member Functions
Real	cLogC (Real c)

Private Attributes
const Real	_T
	Temperature in [K]. More...
const Real	_Omega
	Atomic volume in [Ang^3]. More...
const Real	_kB
	Bolzmann constant. More...
const Real	_Efv
	Formation energy of a tri-vacancy in UO2. More...
const Real	_Efg
	Formation energy of a Xenon Atom in a tri-vacancy (TODO: if cmg>cmv consider interstitial Xe) More...
const VariableValue &	_cmg
unsigned int	_cmg_var
const VariableValue &	_cmv
unsigned int	_cmv_var

Detailed Description

Definition at line 21 of file KKSXeVacSolidMaterial.h.

Constructor & Destructor Documentation

KKSXeVacSolidMaterial()

KKSXeVacSolidMaterial::KKSXeVacSolidMaterial

(

const InputParameters &

parameters

)

Definition at line 26 of file KKSXeVacSolidMaterial.C.

  : DerivativeFunctionMaterialBase(parameters),
    _T(getParam<Real>("T")),
    _Omega(2.53),
    _kB(8.6173324e-5),
    _Efv(3.0),
    _Efg(3.0),
    _cmg(coupledValue("cmg")),
    _cmg_var(coupled("cmg")),
    _cmv(coupledValue("cmv")),
    _cmv_var(coupled("cmv"))
{
}

Member Function Documentation

cLogC()

Real KKSXeVacSolidMaterial::cLogC ( Real  c )

private

Definition at line 42 of file KKSXeVacSolidMaterial.C.

Referenced by computeF().

{
  return c <= 0.0 ? 0.0 : c * std::log(c);
}

computeD2F()

Real KKSXeVacSolidMaterial::computeD2F ( unsigned int  arg1, unsigned int  arg2  )

protectedvirtual

Definition at line 81 of file KKSXeVacSolidMaterial.C.

{
  if (i_var != j_var)
    return 0.0;

  const Real tol = 1e-10;
  Real cmg = _cmg[_qp] < tol ? tol : (_cmg[_qp] > (1.0 - tol) ? (1.0 - tol) : _cmg[_qp]);
  Real cmv = _cmv[_qp] < tol ? tol : (_cmv[_qp] > (1.0 - tol) ? (1.0 - tol) : _cmv[_qp]);

  if (i_var == _cmg_var)
    return 1.0 / _Omega * _kB * _T * (1.0 / (1.0 - cmg) + 1.0 / cmg);

  if (i_var == _cmv_var)
    return 1.0 / _Omega * _kB * _T * (1.0 / (1.0 - cmv) + 1.0 / cmv);

  mooseError("Unknown derivative requested");
}

computeDF()

Real KKSXeVacSolidMaterial::computeDF ( unsigned int  arg )

protectedvirtual

Definition at line 64 of file KKSXeVacSolidMaterial.C.

{
  const Real tol = 1e-10;
  Real cmg = _cmg[_qp] < tol ? tol : (_cmg[_qp] > (1.0 - tol) ? (1.0 - tol) : _cmg[_qp]);
  Real cmv = _cmv[_qp] < tol ? tol : (_cmv[_qp] > (1.0 - tol) ? (1.0 - tol) : _cmv[_qp]);

  if (i_var == _cmg_var)
    return 1.0 / _Omega * (_Efg + _kB * _T * (std::log(cmg) - std::log(-cmg + 1.0)));

  if (i_var == _cmv_var)
    return 1.0 / _Omega * (_Efv + _kB * _T * (std::log(cmv) - std::log(-cmv + 1.0)));

  mooseError("Unknown derivative requested");
}

computeF()

Real KKSXeVacSolidMaterial::computeF ( )

protectedvirtual

Definition at line 56 of file KKSXeVacSolidMaterial.C.

{
  return 1.0 / _Omega * (_kB * _T * (cLogC(_cmv[_qp]) + cLogC(1.0 - _cmv[_qp])) + _Efv * _cmv[_qp] +
                         _kB * _T * (cLogC(_cmg[_qp]) + cLogC(1.0 - _cmg[_qp])) + _Efg * _cmg[_qp]);
}

expectedNumArgs()

unsigned int KKSXeVacSolidMaterial::expectedNumArgs ( )

protectedvirtual

Definition at line 49 of file KKSXeVacSolidMaterial.C.

{
  return 2;
}

Member Data Documentation

_cmg

const VariableValue& KKSXeVacSolidMaterial::_cmg

private

Definition at line 50 of file KKSXeVacSolidMaterial.h.

Referenced by computeD2F(), computeDF(), and computeF().

_cmg_var

unsigned int KKSXeVacSolidMaterial::_cmg_var

private

Definition at line 51 of file KKSXeVacSolidMaterial.h.

Referenced by computeD2F(), and computeDF().

_cmv

const VariableValue& KKSXeVacSolidMaterial::_cmv

private

Definition at line 52 of file KKSXeVacSolidMaterial.h.

Referenced by computeD2F(), computeDF(), and computeF().

_cmv_var

unsigned int KKSXeVacSolidMaterial::_cmv_var

private

Definition at line 53 of file KKSXeVacSolidMaterial.h.

Referenced by computeD2F(), and computeDF().

_Efg

const Real KKSXeVacSolidMaterial::_Efg

private

Formation energy of a Xenon Atom in a tri-vacancy (TODO: if cmg>cmv consider interstitial Xe)

Definition at line 48 of file KKSXeVacSolidMaterial.h.

Referenced by computeDF(), and computeF().

_Efv

const Real KKSXeVacSolidMaterial::_Efv

private

Formation energy of a tri-vacancy in UO2.

Definition at line 44 of file KKSXeVacSolidMaterial.h.

Referenced by computeDF(), and computeF().

_kB

const Real KKSXeVacSolidMaterial::_kB

private

Bolzmann constant.

Definition at line 41 of file KKSXeVacSolidMaterial.h.

Referenced by computeD2F(), computeDF(), and computeF().

_Omega

const Real KKSXeVacSolidMaterial::_Omega

private

Atomic volume in [Ang^3].

Definition at line 38 of file KKSXeVacSolidMaterial.h.

Referenced by computeD2F(), computeDF(), and computeF().

_T

const Real KKSXeVacSolidMaterial::_T

private

Temperature in [K].

Definition at line 35 of file KKSXeVacSolidMaterial.h.

Referenced by computeD2F(), computeDF(), and computeF().

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The documentation for this class was generated from the following files:

• phase_field/include/materials/KKSXeVacSolidMaterial.h
• phase_field/src/materials/KKSXeVacSolidMaterial.C