SplitCHCRes Class Reference

The couple, SplitCHCRes and SplitCHWRes, splits the CH equation by replacing chemical potential with 'w'. More...

#include <SplitCHCRes.h>

Inheritance diagram for SplitCHCRes:

Public Member Functions
	SplitCHCRes (const InputParameters &parameters)

Protected Types
enum	PFFunctionType { Jacobian, Residual }

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

Protected Attributes
const MaterialProperty< Real > &	_kappa
unsigned int	_w_var
const VariableValue &	_w

Detailed Description

The couple, SplitCHCRes and SplitCHWRes, splits the CH equation by replacing chemical potential with 'w'.

Definition at line 21 of file SplitCHCRes.h.

Member Enumeration Documentation

PFFunctionType

enum SplitCHBase::PFFunctionType

protectedinherited

Enumerator
Jacobian
Residual

Definition at line 27 of file SplitCHBase.h.

  {
    Jacobian,
    Residual
  };

Constructor & Destructor Documentation

SplitCHCRes()

SplitCHCRes::SplitCHCRes

(

const InputParameters &

parameters

)

Definition at line 23 of file SplitCHCRes.C.

  : SplitCHBase(parameters),
    _kappa(getMaterialProperty<Real>("kappa_name")),
    _w_var(coupled("w")),
    _w(coupledValue("w"))
{
}

Member Function Documentation

computeDEDC()

Real SplitCHBase::computeDEDC ( PFFunctionType  type )

protectedvirtualinherited

Definition at line 69 of file SplitCHBase.C.

{ return 0.0; }

Referenced by SplitCHBase::computeQpJacobian(), and SplitCHBase::computeQpResidual().

computeDFDC()

Real SplitCHBase::computeDFDC ( PFFunctionType  type )

protectedvirtualinherited

Reimplemented in SplitCHMath.

Definition at line 67 of file SplitCHBase.C.

{ return 0.0; }

Referenced by SplitCHBase::computeQpJacobian(), and SplitCHBase::computeQpResidual().

computeQpJacobian()

Real SplitCHCRes::computeQpJacobian ( )

protectedvirtual

Reimplemented from SplitCHBase.

Definition at line 60 of file SplitCHCRes.C.

{
  Real jacobian = SplitCHBase::computeQpJacobian(); //(df_prime_zero_dc+de_prime_dc)*_test[_i][_qp];
                                                    // from SplitCHBase
 
  jacobian += _kappa[_qp] * _grad_phi[_j][_qp] * _grad_test[_i][_qp];
 
  return jacobian;
}

computeQpOffDiagJacobian()

Real SplitCHCRes::computeQpOffDiagJacobian ( unsigned int  jvar )

protectedvirtual

Reimplemented from SplitCHBase.

Definition at line 71 of file SplitCHCRes.C.

{
  if (jvar == _w_var)
  {
    return -_phi[_j][_qp] * _test[_i][_qp];
  }
 
  return 0.0;
}

Referenced by SplitCHParsed::computeQpOffDiagJacobian().

computeQpResidual()

Real SplitCHCRes::computeQpResidual ( )

protectedvirtual

Reimplemented from SplitCHBase.

Definition at line 48 of file SplitCHCRes.C.

{
  Real residual =
      SplitCHBase::computeQpResidual(); //(f_prime_zero+e_prime)*_test[_i][_qp] from SplitCHBase
 
  residual += -_w[_qp] * _test[_i][_qp];
  residual += _kappa[_qp] * _grad_u[_qp] * _grad_test[_i][_qp];
 
  return residual;
}

Member Data Documentation

_kappa

const MaterialProperty<Real>& SplitCHCRes::_kappa

protected

Definition at line 31 of file SplitCHCRes.h.

Referenced by computeQpJacobian(), and computeQpResidual().

_w

const VariableValue& SplitCHCRes::_w

protected

Definition at line 33 of file SplitCHCRes.h.

Referenced by computeQpResidual().

_w_var

unsigned int SplitCHCRes::_w_var

protected

Definition at line 32 of file SplitCHCRes.h.

Referenced by computeQpOffDiagJacobian().

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

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