Card 9 - PSINK Pressure Sink Definition Cards

KODE

KODE is the code PSINK (or 27)

N1

N1 is an element number, or a group name.

T1

T1 is the pressure boundary condition value expressed as gauge (not absolute) pressure for hydraulic element(s) N1.

T1 = FPRESSF (or -1.E5) the pressure values are read from file PRESSF, which must be present.

T2

T2 = TOTAL or blank, then T1 is the total pressure boundary condition value expressed as gauge (not absolute) pressure for hydraulic element(s) N1.

T2 = STATIC or blank, then T1 is the static pressure boundary condition value expressed as gauge (not absolute) pressure for hydraulic element(s) N1.

Note: The thermal solver does not support the static pressure boundary condition with a gas as the fluid material.

Code example

PSINK 181 0.0 STATIC
INTERP 181 0 19 1.0
TABTYPE 19 PTOTAL TIME
TABDATA 19 5.056759949E+02 0.000000E+00

Notes

You can define pressure boundary conditions for Card 5a hydraulic elements either with PSINK Cards or AMBIENT elements.

For open-ended flow paths that start and end with an AMBIENT element, the total pressure and temperature boundary conditions should be defined with AMBIENT elements and the HYDENV Card.

For open-ended paths there is no need to explicitly define an AMBIENT element because one is automatically created.

If an element's pressure boundary condition is specified through the INTERP card using a table or in a user-written subroutine, the element must be flagged as a PSINK element.

Only a single PSINK Card may be present in the data deck if the FPRESSF option is used.