Vent BC is used specify where the air is vented out and resin will eventually emerge out when the mold is filled (or earlier in the case of race tracking). Often, pressure is set to 0 at the vent.
Variable |
Default Value |
Valid Range |
Data Type |
Significance |
PortLocation |
(0, 0, 0) |
Valid (x, y, z) |
Constant |
This is needed only if gravity is turned on. |
Pressure |
None |
+ve value |
Constant or function of time |
Pressure is specified in Pa. You should specify at least Pressure or SuctionRate. If you specify both, then Pressure will be given priority. |
SuctionRate |
None |
+ve value |
Constant or function of time |
SuctionRate is specified in m3/s. You should specify at least Pressure or SuctionRate. If you specify both, then Pressure is given priority. |
Temperature |
None |
T > 273 |
Constant or function of time |
This needs to be specified only if the Heat Transfer is on. If you specify Temperature, you should not specify heat flux and the vice versa. |
HeatFlux |
0 |
+ve, 0, or -ve value |
Constant or function of time |
This needs to be specified only if the Heat Transfer is on. If you specify Temperature, you should not specify heat flux and the vice versa. |
VentBC bc_name {
PortLocation = X Y Z
( Pressure | SuctionRate ) = value
[ ( Temperature | HeatFlux ) = value ]
}
Example
VentBC vent1 { PortLocation = 0.5 0.5 10.0
Pressure = 0.0
HeatFlux = 0.0 }