Implements a simple constant VectorNeumann BC where grad(u)=value on the boundary. More...

#include <ChemicalOutFlowBC.h>

Inheritance diagram for ChemicalOutFlowBC:

Public Member Functions
	ChemicalOutFlowBC (const InputParameters &parameters)

Protected Member Functions
virtual Real	computeQpResidual () override

virtual Real	computeQpJacobian () override

Private Attributes
const MaterialProperty< Real > &	_diff
	Diffusivity. More...

const MaterialProperty< Real > &	_porosity
	Porosity. More...

Detailed Description

Implements a simple constant VectorNeumann BC where grad(u)=value on the boundary.

Uses the term produced from integrating the diffusion operator by parts.

Definition at line 24 of file ChemicalOutFlowBC.h.

Constructor & Destructor Documentation

◆ ChemicalOutFlowBC()

ChemicalOutFlowBC::ChemicalOutFlowBC ( const InputParameters & parameters )

Definition at line 23 of file ChemicalOutFlowBC.C.

   : IntegratedBC(parameters),
     _diff(getMaterialProperty<Real>("diffusivity")),
     _porosity(getMaterialProperty<Real>("porosity"))
 {
 }

Member Function Documentation

◆ computeQpJacobian()

Real ChemicalOutFlowBC::computeQpJacobian ( )

overrideprotectedvirtual

Definition at line 37 of file ChemicalOutFlowBC.C.

 {
   return -_test[_i][_qp] * _porosity[_qp] * _diff[_qp] * _grad_phi[_j][_qp] * _normals[_qp];
 }

◆ computeQpResidual()

Real ChemicalOutFlowBC::computeQpResidual ( )

overrideprotectedvirtual

Definition at line 31 of file ChemicalOutFlowBC.C.

 {
   return -_test[_i][_qp] * _porosity[_qp] * _diff[_qp] * _grad_u[_qp] * _normals[_qp];
 }

Member Data Documentation

◆ _diff

const MaterialProperty<Real>& ChemicalOutFlowBC::_diff

private

Diffusivity.

Definition at line 35 of file ChemicalOutFlowBC.h.

Referenced by computeQpJacobian(), and computeQpResidual().

◆ _porosity

const MaterialProperty<Real>& ChemicalOutFlowBC::_porosity

private

Porosity.

Definition at line 37 of file ChemicalOutFlowBC.h.