NSEnthalpyAux Class Reference

Nodal auxiliary variable, for computing enthalpy at the nodes. More...

#include <NSEnthalpyAux.h>

Inheritance diagram for NSEnthalpyAux:

Public Member Functions
	NSEnthalpyAux (const InputParameters &parameters)

Protected Member Functions
virtual Real	computeValue ()

Protected Attributes
const VariableValue &	_rho
const VariableValue &	_rhoE
const VariableValue &	_pressure

Detailed Description

Nodal auxiliary variable, for computing enthalpy at the nodes.

The total enthalpy is given by:

H = E + p/rho (primitive variables) H = (U_4 + P(U)) / U_0 (conserved variables)

where P(U) = (gamma-1)*(U_4 - (1/2)*(U_1^2 + U_2^2 + U_3^2)/U_0) is the pressure.

Definition at line 31 of file NSEnthalpyAux.h.

Constructor & Destructor Documentation

NSEnthalpyAux()

NSEnthalpyAux::NSEnthalpyAux

(

const InputParameters &

parameters

)

Definition at line 31 of file NSEnthalpyAux.C.

  : AuxKernel(parameters),
    _rho(coupledValue(NS::density)),
    _rhoE(coupledValue(NS::total_energy)),
    _pressure(coupledValue(NS::pressure))
{
}

Member Function Documentation

computeValue()

Real NSEnthalpyAux::computeValue ( )

protectedvirtual

Definition at line 40 of file NSEnthalpyAux.C.

{
  // H = (rho*E + P) / rho
  return (_rhoE[_qp] + _pressure[_qp]) / _rho[_qp];
}

Member Data Documentation

_pressure

const VariableValue& NSEnthalpyAux::_pressure

protected

Definition at line 41 of file NSEnthalpyAux.h.

Referenced by computeValue().

_rho

const VariableValue& NSEnthalpyAux::_rho

protected

Definition at line 39 of file NSEnthalpyAux.h.

Referenced by computeValue().

_rhoE

const VariableValue& NSEnthalpyAux::_rhoE

protected

Definition at line 40 of file NSEnthalpyAux.h.

Referenced by computeValue().

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

• navier_stokes/include/auxkernels/NSEnthalpyAux.h
• navier_stokes/src/auxkernels/NSEnthalpyAux.C