NSInflowThermalBC Class Reference

This class is used on a boundary where the incoming flow values (rho, u, v, T) are all completely specified. More...

#include <NSInflowThermalBC.h>

Inheritance diagram for NSInflowThermalBC:

Public Member Functions
	NSInflowThermalBC (const InputParameters &parameters)

Protected Member Functions
virtual Real	computeQpResidual ()

Protected Attributes
const Real	_specified_rho
const Real	_specified_temperature
const Real	_specified_velocity_magnitude
const IdealGasFluidProperties &	_fp

Detailed Description

This class is used on a boundary where the incoming flow values (rho, u, v, T) are all completely specified.

Definition at line 26 of file NSInflowThermalBC.h.

Constructor & Destructor Documentation

NSInflowThermalBC()

NSInflowThermalBC::NSInflowThermalBC

(

const InputParameters &

parameters

)

Definition at line 35 of file NSInflowThermalBC.C.

  : NodalBC(parameters),
    _specified_rho(getParam<Real>("specified_rho")),
    _specified_temperature(getParam<Real>("specified_temperature")),
    _specified_velocity_magnitude(getParam<Real>("specified_velocity_magnitude")),
    _fp(getUserObject<IdealGasFluidProperties>("fluid_properties"))
{
}

Member Function Documentation

computeQpResidual()

Real NSInflowThermalBC::computeQpResidual ( )

protectedvirtual

Definition at line 45 of file NSInflowThermalBC.C.

{
  // For the total energy, the essential BC is:
  // rho*E = rho*(c_v*T + 0.5*|u|^2)
  //
  // or, in residual form, (In general, this BC is coupled to the velocity variables.)
  // rho*E - rho*(c_v*T + 0.5*|u|^2) = 0
  //
  // ***at a no-slip wall*** this further reduces to (no coupling to velocity variables):
  // rho*E - rho*cv*T = 0
  return _u[_qp] -
         _specified_rho * (_fp.cv() * _specified_temperature +
                           0.5 * _specified_velocity_magnitude * _specified_velocity_magnitude);
}

Member Data Documentation

_fp

const IdealGasFluidProperties& NSInflowThermalBC::_fp

protected

Definition at line 48 of file NSInflowThermalBC.h.

Referenced by computeQpResidual().

_specified_rho

const Real NSInflowThermalBC::_specified_rho

protected

Definition at line 39 of file NSInflowThermalBC.h.

Referenced by computeQpResidual().

_specified_temperature

const Real NSInflowThermalBC::_specified_temperature

protected

Definition at line 42 of file NSInflowThermalBC.h.

Referenced by computeQpResidual().

_specified_velocity_magnitude

const Real NSInflowThermalBC::_specified_velocity_magnitude

protected

Definition at line 45 of file NSInflowThermalBC.h.

Referenced by computeQpResidual().

---

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

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