PFCEnergyDensity Class Reference

#include <PFCEnergyDensity.h>

Inheritance diagram for PFCEnergyDensity:

Public Member Functions
	PFCEnergyDensity (const InputParameters &parameters)

Protected Member Functions
virtual Real	computeValue ()

Protected Attributes
std::vector< const VariableValue * >	_vals
std::vector< const MaterialProperty< Real > * >	_coeff
unsigned int	_order
const MaterialProperty< Real > &	_a
const MaterialProperty< Real > &	_b

Detailed Description

Definition at line 20 of file PFCEnergyDensity.h.

Constructor & Destructor Documentation

PFCEnergyDensity()

PFCEnergyDensity::PFCEnergyDensity

(

const InputParameters &

parameters

)

Definition at line 24 of file PFCEnergyDensity.C.

  : AuxKernel(parameters),
    _order(coupledComponents("v")),
    _a(getMaterialProperty<Real>("a")),
    _b(getMaterialProperty<Real>("b"))
{
  _vals.resize(_order);
  _coeff.resize(_order);
 
  std::string coeff_name_base = "C";
 
  for (unsigned int i = 0; i < _order; ++i)
  {
    _vals[i] = &coupledValue("v", i);
    std::string coeff_name = coeff_name_base;
    std::stringstream out;
    out << i * 2;
    coeff_name.append(out.str());
    _console << coeff_name << std::endl;
    _coeff[i] = &getMaterialProperty<Real>(coeff_name);
  }
}

Member Function Documentation

computeValue()

Real PFCEnergyDensity::computeValue ( )

protectedvirtual

Definition at line 48 of file PFCEnergyDensity.C.

{
  Real val = Utility::pow<2>((*_vals[0])[_qp]) * (1.0 - (*_coeff[0])[_qp]) / 2.0;
 
  // Loop Through Variables
  // the sign of negative terms have been taken care of by changing the sign of the coefficients;
  for (unsigned int i = 1; i < _order; ++i)
    val += (*_coeff[i])[_qp] * (*_vals[0])[_qp] * (*_vals[i])[_qp] / 2.0;
 
  val += (_b[_qp] / 12.0 * Utility::pow<4>((*_vals[0])[_qp])) -
         (_a[_qp] / 6.0 * Utility::pow<3>((*_vals[0])[_qp]));
 
  return val;
}

Member Data Documentation

_a

const MaterialProperty<Real>& PFCEnergyDensity::_a

protected

Definition at line 32 of file PFCEnergyDensity.h.

Referenced by computeValue().

_b

const MaterialProperty<Real>& PFCEnergyDensity::_b

protected

Definition at line 33 of file PFCEnergyDensity.h.

Referenced by computeValue().

_coeff

std::vector<const MaterialProperty<Real> *> PFCEnergyDensity::_coeff

protected

Definition at line 29 of file PFCEnergyDensity.h.

Referenced by computeValue(), and PFCEnergyDensity().

_order

unsigned int PFCEnergyDensity::_order

protected

Definition at line 31 of file PFCEnergyDensity.h.

Referenced by computeValue(), and PFCEnergyDensity().

_vals

std::vector<const VariableValue *> PFCEnergyDensity::_vals

protected

Definition at line 28 of file PFCEnergyDensity.h.

Referenced by computeValue(), and PFCEnergyDensity().

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

• phase_field/include/auxkernels/PFCEnergyDensity.h
• phase_field/src/auxkernels/PFCEnergyDensity.C