RhoEAFromPressureTemperatureVelocityIC.C

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//* This file is part of the MOOSE framework
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//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
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#include "RhoEAFromPressureTemperatureVelocityIC.h"
#include "SinglePhaseFluidProperties.h"

registerMooseObject("ThermalHydraulicsApp", RhoEAFromPressureTemperatureVelocityIC);

InputParameters
RhoEAFromPressureTemperatureVelocityIC::validParams()
{
  InputParameters params = InitialCondition::validParams();
  params.addRequiredParam<UserObjectName>("fp", "The name of fluid properties object to use.");
  params.addRequiredCoupledVar("p", "The pressure");
  params.addRequiredCoupledVar("T", "The temperature");
  params.addRequiredCoupledVar("vel", "The velocity");
  params.addRequiredCoupledVar("A", "Cross-sectional area");
  params.addClassDescription(
      "Set the initial condition for rho*E*A from pressure, temperature and a scalar"
      "field velocity variable");
  return params;
}

RhoEAFromPressureTemperatureVelocityIC::RhoEAFromPressureTemperatureVelocityIC(
    const InputParameters & parameters)
  : InitialCondition(parameters),
    _fp(getUserObject<SinglePhaseFluidProperties>("fp")),
    _p(coupledValue("p")),
    _T(coupledValue("T")),
    _vel(coupledValue("vel")),
    _area(coupledValue("A"))
{
}

Real
RhoEAFromPressureTemperatureVelocityIC::value(const Point & /*p*/)
{
  const Real rho = _fp.rho_from_p_T(_p[_qp], _T[_qp]);
  const Real e = _fp.e_from_p_rho(_p[_qp], rho);
  return rho * (e + 0.5 * _vel[_qp] * _vel[_qp]) * _area[_qp];
}