SplitCHParsed Class Reference

CHParsed uses the Free Energy function and derivatives provided by a DerivativeParsedMaterial. More...

#include <SplitCHParsed.h>

Inheritance diagram for SplitCHParsed:

Public Member Functions
	SplitCHParsed (const InputParameters &parameters)
virtual void	initialSetup ()

Protected Member Functions
virtual Real	computeDFDC (PFFunctionType type)
virtual Real	computeQpOffDiagJacobian (unsigned int jvar)

Private Attributes
const unsigned int	_nvar
const MaterialProperty< Real > &	_dFdc
const MaterialProperty< Real > &	_d2Fdc2
std::vector< const MaterialProperty< Real > * >	_d2Fdcdarg

Detailed Description

CHParsed uses the Free Energy function and derivatives provided by a DerivativeParsedMaterial.

This is the split operator variant.

See also

CHParsed

Definition at line 28 of file SplitCHParsed.h.

Constructor & Destructor Documentation

SplitCHParsed()

SplitCHParsed::SplitCHParsed

(

const InputParameters &

parameters

)

Definition at line 27 of file SplitCHParsed.C.

  : DerivativeMaterialInterface<JvarMapKernelInterface<SplitCHCRes>>(parameters),
    _nvar(_coupled_moose_vars.size()),
    _dFdc(getMaterialPropertyDerivative<Real>("f_name", _var.name())),
    _d2Fdc2(getMaterialPropertyDerivative<Real>("f_name", _var.name(), _var.name()))
{
  // reserve space for derivatives
  _d2Fdcdarg.resize(_nvar);
 
  // Iterate over all coupled variables
  for (unsigned int i = 0; i < _nvar; ++i)
    _d2Fdcdarg[i] =
        &getMaterialPropertyDerivative<Real>("f_name", _var.name(), _coupled_moose_vars[i]->name());
}

Member Function Documentation

computeDFDC()

Real SplitCHParsed::computeDFDC ( PFFunctionType  type )

protectedvirtual

Definition at line 55 of file SplitCHParsed.C.

{
  switch (type)
  {
    case Residual:
      return _dFdc[_qp];
 
    case Jacobian:
      return _d2Fdc2[_qp] * _phi[_j][_qp];
  }
 
  mooseError("Internal error");
}

computeQpOffDiagJacobian()

Real SplitCHParsed::computeQpOffDiagJacobian ( unsigned int  jvar )

protectedvirtual

Definition at line 70 of file SplitCHParsed.C.

{
  if (jvar == _w_var)
    return SplitCHCRes::computeQpOffDiagJacobian(jvar);
 
  // get the coupled variable jvar is referring to
  const unsigned int cvar = mapJvarToCvar(jvar);
 
  return (*_d2Fdcdarg[cvar])[_qp] * _phi[_j][_qp] * _test[_i][_qp];
}

initialSetup()

void SplitCHParsed::initialSetup ( )

virtual

We are only interested if the necessary non-linear variables are coupled, as those are thge ones used in constructing the Jacobian. The AuxVariables do not have Jacobian entries.

Definition at line 43 of file SplitCHParsed.C.

{
  validateNonlinearCoupling<Real>("f_name", _var.name());
  validateDerivativeMaterialPropertyBase<Real>("f_name");
}

Member Data Documentation

_d2Fdc2

const MaterialProperty<Real>& SplitCHParsed::_d2Fdc2

private

Definition at line 42 of file SplitCHParsed.h.

Referenced by computeDFDC().

_d2Fdcdarg

std::vector<const MaterialProperty<Real> *> SplitCHParsed::_d2Fdcdarg

private

Definition at line 44 of file SplitCHParsed.h.

Referenced by computeQpOffDiagJacobian(), and SplitCHParsed().

_dFdc

const MaterialProperty<Real>& SplitCHParsed::_dFdc

private

Definition at line 41 of file SplitCHParsed.h.

Referenced by computeDFDC().

_nvar

const unsigned int SplitCHParsed::_nvar

private

Definition at line 40 of file SplitCHParsed.h.

Referenced by SplitCHParsed().

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

• phase_field/include/kernels/SplitCHParsed.h
• phase_field/src/kernels/SplitCHParsed.C