AdvectionBC Class Reference

Boundary terms for inflow/outflow of advected quantities, e.g. More...

#include <AdvectionBC.h>

Inheritance diagram for AdvectionBC:

Public Member Functions
	AdvectionBC (const InputParameters &parameters)

Protected Member Functions
virtual Real	computeQpResidual () override
virtual Real	computeQpJacobian () override

Protected Attributes
const unsigned int	_dim
const unsigned int	_coupled_components
std::vector< const VariableValue * >	_velocity

Detailed Description

Boundary terms for inflow/outflow of advected quantities, e.g.

u: u * velocity * normal

Definition at line 24 of file AdvectionBC.h.

Constructor & Destructor Documentation

AdvectionBC()

AdvectionBC::AdvectionBC

(

const InputParameters &

parameters

)

Definition at line 27 of file AdvectionBC.C.

  : IntegratedBC(parameters),
    _dim(_mesh.dimension()),
    _coupled_components(coupledComponents("velocity_vector"))
{
  if (_dim > _coupled_components)
    paramError(
        "velocity_vector",
        "Number of components of velocity_vector must be at least equal to the mesh dimension");
  if (_coupled_components > 3)
    paramError("velocity_vector",
               "You cannot supply more than 3 components for the velocity vector");
 
  _velocity.resize(_coupled_components);
  for (unsigned int j = 0; j < _coupled_components; ++j)
    _velocity[j] = &coupledValue("velocity_vector", j);
}

Member Function Documentation

computeQpJacobian()

Real AdvectionBC::computeQpJacobian ( )

overrideprotectedvirtual

Definition at line 57 of file AdvectionBC.C.

{
  RealVectorValue vel;
  for (unsigned int j = 0; j < _coupled_components; ++j)
    vel(j) = (*_velocity[j])[_qp];
  if (vel * _normals[_qp] > 0)
    return _test[_i][_qp] * _phi[_j][_qp] * vel * _normals[_qp];
  return 0;
}

computeQpResidual()

Real AdvectionBC::computeQpResidual ( )

overrideprotectedvirtual

Definition at line 46 of file AdvectionBC.C.

{
  RealVectorValue vel;
  for (unsigned int j = 0; j < _coupled_components; ++j)
    vel(j) = (*_velocity[j])[_qp];
  if (vel * _normals[_qp] > 0)
    return _test[_i][_qp] * _u[_qp] * vel * _normals[_qp];
  return 0;
}

Member Data Documentation

_coupled_components

const unsigned int AdvectionBC::_coupled_components

protected

Definition at line 34 of file AdvectionBC.h.

Referenced by AdvectionBC(), computeQpJacobian(), and computeQpResidual().

_dim

const unsigned int AdvectionBC::_dim

protected

Definition at line 33 of file AdvectionBC.h.

Referenced by AdvectionBC().

_velocity

std::vector<const VariableValue *> AdvectionBC::_velocity

protected

Definition at line 35 of file AdvectionBC.h.

Referenced by AdvectionBC(), computeQpJacobian(), and computeQpResidual().

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

• navier_stokes/include/bcs/AdvectionBC.h
• navier_stokes/src/bcs/AdvectionBC.C