p_rgh
type waveTransmissive;
field p;
psi thermo:psi;
gamma 1.4;
fieldInf 101325;
lInf 0.005;
value uniform 101325;
p
type waveTransmissive;
field p;
psi thermo:psi;
gamma 1.4;
fieldInf 101325;
lInf 0.05;
value uniform 101325;
U
type pressureInletOutletVelocity;
value uniform (0 0 0);