CoupledMaterialDerivative Class Reference

This kernel adds the term (dFdv, test), where v is a coupled variable. More...

#include <CoupledMaterialDerivative.h>

Inheritance diagram for CoupledMaterialDerivative:

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

Protected Member Functions
virtual Real	computeQpResidual () override
virtual Real	computeQpJacobian () override
virtual Real	computeQpOffDiagJacobian (unsigned int jvar) override

Protected Attributes
std::string	_v_name
	name of the coupled variable the derivative is taken with respect to More...
unsigned int	_v_var
const MaterialProperty< Real > &	_dFdv
	Material property derivative w.r.t. v. More...
const MaterialProperty< Real > &	_d2Fdvdu
	2nd order material property derivative w.r.t. v then u More...
const unsigned int	_nvar
	Number of coupled variables. More...
std::vector< const MaterialProperty< Real > * >	_d2Fdvdarg
	2nd order material property derivatives w.r.t. v and then all other coupled variables More...

Detailed Description

This kernel adds the term (dFdv, test), where v is a coupled variable.

Definition at line 25 of file CoupledMaterialDerivative.h.

Constructor & Destructor Documentation

CoupledMaterialDerivative()

CoupledMaterialDerivative::CoupledMaterialDerivative

(

const InputParameters &

parameters

)

Definition at line 33 of file CoupledMaterialDerivative.C.

  : DerivativeMaterialInterface<JvarMapKernelInterface<Kernel>>(parameters),
    _v_name(getVar("v", 0)->name()),
    _v_var(coupled("v")),
    _dFdv(getMaterialPropertyDerivative<Real>("f_name", _v_name)),
    _d2Fdvdu(getMaterialPropertyDerivative<Real>("f_name", _v_name, _var.name())),
    _nvar(_coupled_moose_vars.size()),
    _d2Fdvdarg(_nvar)
{
  // Get material property derivatives for all coupled variables
  for (unsigned int i = 0; i < _nvar; ++i)
  {
    MooseVariableFEBase * ivar = _coupled_moose_vars[i];
    _d2Fdvdarg[i] = &getMaterialPropertyDerivative<Real>("f_name", _v_name, ivar->name());
  }
}

Member Function Documentation

computeQpJacobian()

Real CoupledMaterialDerivative::computeQpJacobian ( )

overrideprotectedvirtual

Definition at line 63 of file CoupledMaterialDerivative.C.

{
  return _d2Fdvdu[_qp] * _test[_i][_qp] * _phi[_j][_qp];
}

computeQpOffDiagJacobian()

Real CoupledMaterialDerivative::computeQpOffDiagJacobian ( unsigned int  jvar )

overrideprotectedvirtual

Definition at line 69 of file CoupledMaterialDerivative.C.

{
  const unsigned int cvar = mapJvarToCvar(jvar);
  return (*_d2Fdvdarg[cvar])[_qp] * _test[_i][_qp] * _phi[_j][_qp];
}

computeQpResidual()

Real CoupledMaterialDerivative::computeQpResidual ( )

overrideprotectedvirtual

Definition at line 57 of file CoupledMaterialDerivative.C.

{
  return _dFdv[_qp] * _test[_i][_qp];
}

initialSetup()

void CoupledMaterialDerivative::initialSetup ( )

overridevirtual

Definition at line 51 of file CoupledMaterialDerivative.C.

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

Member Data Documentation

_d2Fdvdarg

std::vector<const MaterialProperty<Real> *> CoupledMaterialDerivative::_d2Fdvdarg

protected

2nd order material property derivatives w.r.t. v and then all other coupled variables

Definition at line 50 of file CoupledMaterialDerivative.h.

Referenced by computeQpOffDiagJacobian(), and CoupledMaterialDerivative().

_d2Fdvdu

const MaterialProperty<Real>& CoupledMaterialDerivative::_d2Fdvdu

protected

2nd order material property derivative w.r.t. v then u

Definition at line 44 of file CoupledMaterialDerivative.h.

Referenced by computeQpJacobian().

_dFdv

const MaterialProperty<Real>& CoupledMaterialDerivative::_dFdv

protected

Material property derivative w.r.t. v.

Definition at line 41 of file CoupledMaterialDerivative.h.

Referenced by computeQpResidual().

_nvar

const unsigned int CoupledMaterialDerivative::_nvar

protected

Number of coupled variables.

Definition at line 47 of file CoupledMaterialDerivative.h.

Referenced by CoupledMaterialDerivative().

_v_name

std::string CoupledMaterialDerivative::_v_name

protected

name of the coupled variable the derivative is taken with respect to

Definition at line 37 of file CoupledMaterialDerivative.h.

Referenced by CoupledMaterialDerivative().

_v_var

unsigned int CoupledMaterialDerivative::_v_var

protected

Definition at line 38 of file CoupledMaterialDerivative.h.

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

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