18 InputParameters pars = validParams<Kernel>();
20 pars.addRequiredCoupledVar(
"rho",
"density");
21 pars.addRequiredCoupledVar(
"rho_u",
"rho*u");
22 pars.addCoupledVar(
"rho_v",
"rho*v");
23 pars.addCoupledVar(
"rho_w",
"rho*w");
24 pars.addRequiredCoupledVar(
"enthalpy",
"Enthalpy");
31 _rho(coupledValue(
"rho")),
32 _rho_u(coupledValue(
"rho_u")),
33 _rho_v(isCoupled(
"rho_v") ? coupledValue(
"rho_v") : _zero),
34 _rho_w(isCoupled(
"rho_w") ? coupledValue(
"rho_w") : _zero),
35 _enthalpy(coupledValue(
"enthalpy"))
43 return -
_enthalpy[_qp] * (rho_u_vec * _grad_test[_i][_qp]);