Perpendicular flap case:Cannot run the case after changing flap model

Could you please help me see what went wrong with the caculix setup?

Here are the files from caculix:
main.inp (412 Bytes)
allinone.inp (1.2 MB)
fixed.nam (2.9 KB)
interface.nam (3.0 KB)
config.yml (224 Bytes)

This is precice-config:
precice-config.xml (2.3 KB)

Thanks a lot!
:blush:

I don’t know much about CalculiX, but comparing with our config, Nsurface appears:

Note that the N, S etc in front of names in the CalculiX config is important. You probably want to look into the CalculiX documentation.