CHBulkPFCTrad Class Reference

#include <CHBulkPFCTrad.h>

Inheritance diagram for CHBulkPFCTrad:

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

Static Public Member Functions
static InputParameters	validParams ()

Protected Types
enum	PFFunctionType

Protected Member Functions
virtual RealGradient	computeGradDFDCons (PFFunctionType type)
virtual RealGradient	precomputeQpResidual ()
virtual RealGradient	precomputeQpJacobian ()
virtual Real	computeQpOffDiagJacobian (unsigned int jvar)
virtual RealGradient	computeGradDFDCons (PFFunctionType type)=0

Protected Attributes
const MaterialProperty< Real > &	_M
	Mobility. More...
const MaterialProperty< Real > &	_dMdc
	Mobility derivative w.r.t. concentration. More...
std::vector< const MaterialProperty< Real > * >	_dMdarg
	Mobility derivative w.r.t coupled variables. More...

Private Attributes
const MaterialProperty< Real > &	_C0
const MaterialProperty< Real > &	_a
const MaterialProperty< Real > &	_b

Detailed Description

Definition at line 20 of file CHBulkPFCTrad.h.

Member Enumeration Documentation

PFFunctionType

enum CHBulk::PFFunctionType

protectedinherited

Definition at line 38 of file CHBulk.h.

  {
    Jacobian,
    Residual
  };

Constructor & Destructor Documentation

CHBulkPFCTrad()

CHBulkPFCTrad::CHBulkPFCTrad

(

const InputParameters &

parameters

)

Definition at line 24 of file CHBulkPFCTrad.C.

  : CHBulk<Real>(parameters),
    _C0(getMaterialProperty<Real>("C0")),
    _a(getMaterialProperty<Real>("a")),
    _b(getMaterialProperty<Real>("b"))
{
}

Member Function Documentation

computeGradDFDCons() [1/2]

RealGradient CHBulkPFCTrad::computeGradDFDCons ( PFFunctionType  type )

protectedvirtual

Definition at line 33 of file CHBulkPFCTrad.C.

{
  Real d2fdc2 = 1.0 - _C0[_qp] - _a[_qp] * _u[_qp] + _b[_qp] * _u[_qp] * _u[_qp];
 
  switch (type)
  {
    case Residual:
      return d2fdc2 * _grad_u[_qp];
 
    case Jacobian:
    {
      Real d3fdc3 = -_a[_qp] + 2.0 * _b[_qp] * _u[_qp];
      return d2fdc2 * _grad_phi[_j][_qp] + d3fdc3 * _grad_u[_qp] * _phi[_j][_qp];
    }
  }
 
  mooseError("Invalid type passed in");
}

computeGradDFDCons() [2/2]

virtual RealGradient CHBulk< Real >::computeGradDFDCons ( PFFunctionType  type )

protectedpure virtualinherited

Implemented in CahnHilliardBase< Real >.

computeQpOffDiagJacobian()

Real CHBulk< Real >::computeQpOffDiagJacobian ( unsigned int  jvar )

protectedvirtualinherited

Reimplemented in KKSCHBulk, and CahnHilliardBase< Real >.

Definition at line 110 of file CHBulk.h.

{
  // get the coupled variable jvar is referring to
  const unsigned int cvar = mapJvarToCvar(jvar);
 
  return (*_dMdarg[cvar])[_qp] * _phi[_j][_qp] * computeGradDFDCons(Residual) * _grad_test[_i][_qp];
}

initialSetup()

void CHBulk< Real >::initialSetup ( )

virtualinherited

Reimplemented in CahnHilliardBase< Real >.

Definition at line 86 of file CHBulk.h.

{
  validateNonlinearCoupling<Real>("mob_name");
}

precomputeQpJacobian()

RealGradient CHBulk< Real >::precomputeQpJacobian ( )

protectedvirtualinherited

Definition at line 100 of file CHBulk.h.

{
  RealGradient grad_value = _M[_qp] * computeGradDFDCons(Jacobian) +
                            _dMdc[_qp] * _phi[_j][_qp] * computeGradDFDCons(Residual);
 
  return grad_value;
}

precomputeQpResidual()

RealGradient CHBulk< Real >::precomputeQpResidual ( )

protectedvirtualinherited

Definition at line 93 of file CHBulk.h.

{
  return _M[_qp] * computeGradDFDCons(Residual);
}

validParams()

InputParameters CHBulk< Real >::validParams ( )

staticinherited

Definition at line 75 of file CHBulk.h.

{
  InputParameters params = ::validParams<KernelGrad>();
  params.addClassDescription("Cahn-Hilliard base Kernel");
  params.addParam<MaterialPropertyName>("mob_name", "M", "The mobility used with the kernel");
  params.addCoupledVar("args", "Vector of arguments of the mobility");
  return params;
}

Member Data Documentation

_a

const MaterialProperty<Real>& CHBulkPFCTrad::_a

private

Definition at line 30 of file CHBulkPFCTrad.h.

Referenced by computeGradDFDCons().

_b

const MaterialProperty<Real>& CHBulkPFCTrad::_b

private

Definition at line 31 of file CHBulkPFCTrad.h.

Referenced by computeGradDFDCons().

_C0

const MaterialProperty<Real>& CHBulkPFCTrad::_C0

private

Definition at line 29 of file CHBulkPFCTrad.h.

Referenced by computeGradDFDCons().

_dMdarg

std::vector<const MaterialProperty<Real > *> CHBulk< Real >::_dMdarg

protectedinherited

Mobility derivative w.r.t coupled variables.

Definition at line 53 of file CHBulk.h.

_dMdc

const MaterialProperty<Real >& CHBulk< Real >::_dMdc

protectedinherited

Mobility derivative w.r.t. concentration.

Definition at line 50 of file CHBulk.h.

_M

const MaterialProperty<Real >& CHBulk< Real >::_M

protectedinherited

Mobility.

Definition at line 47 of file CHBulk.h.

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

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