[Nek5000-users] Question about iside value

nek5000-users at lists.mcs.anl.gov nek5000-users at lists.mcs.anl.gov
Thu Jan 11 09:15:54 CST 2018


Elizabeth,

the subroutine usrbc is only called for boundary conditions that require a value specified by the user. In your case, only the inflow boundary condition requires an inlet value. The outflow and wall boundary conditions are coded in the source-code.

Marco

On Nov 15, 2017, at 12:29 PM, nek5000-users at lists.mcs.anl.gov<mailto:nek5000-users at lists.mcs.anl.gov> wrote:


Hi, Neks!

I am working with a complex geometry witch was built in gambit. I want to know a parameter "iside" for each of faces ( outflow, inflow and all walls) on zero step. If I ask in userbc ( in *.usr file) write "iside", I receive only iside=1, that matches inflow. It means that faces with type "wall" don't have "iside" value,am i right?

And how each surface is assigned value "iside"?

Best regards,
Elizabeth

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