ADOneD3EqnMomentumFormLoss.C

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
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//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
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//* https://www.gnu.org/licenses/lgpl-2.1.html
 
#include "ADOneD3EqnMomentumFormLoss.h"
#include "Function.h"
 
registerMooseObject("ThermalHydraulicsApp", ADOneD3EqnMomentumFormLoss);
 
InputParameters
ADOneD3EqnMomentumFormLoss::validParams()
{
  InputParameters params = ADKernel::validParams();
  params.addRequiredCoupledVar("A", "Cross-sectional area");
  params.addRequiredParam<MaterialPropertyName>("rho", "Density property");
  params.addRequiredParam<MaterialPropertyName>("vel", "Velocity property");
  params.addClassDescription(
      "Computes a volumetric form loss for the momentum equation for 1-phase flow");
 
  return params;
}
 
ADOneD3EqnMomentumFormLoss::ADOneD3EqnMomentumFormLoss(const InputParameters & parameters)
  : ADKernel(parameters),
    _A(adCoupledValue("A")),
    _rho(getADMaterialProperty<Real>("rho")),
    _vel(getADMaterialProperty<Real>("vel")),
    _K_prime(getADMaterialProperty<Real>("K_prime"))
{
}
 
ADReal
ADOneD3EqnMomentumFormLoss::computeQpResidual()
{
  using std::abs;
  return _K_prime[_qp] * 0.5 * _rho[_qp] * _vel[_qp] * abs(_vel[_qp]) * _A[_qp] * _test[_i][_qp];
}