What do I miss?
*HEADING
Contact
*include, input=all.msh
*SURFACE,NAME=BIGSURF1
18, S1
19, S1
*SURFACE,NAME=SMALLSURF2
69, S3
73, S3
85, S3
89, S3
*TIE,NAME=TIE1
SMALLSURF2,BIGSURF1
*BOUNDARY
*include, input=fix_123456.bou
*MATERIAL,NAME=EL
*ELASTIC
2e6,0.3
*SOLID SECTION,ELSET=Eall,MATERIAL=EL
*STEP
*STATIC
*DLOAD
*INCLUDE,INPUT=load.dlo
*NODE PRINT
U
*NODE FILE
U
*EL FILE
S
*END STEP
This way
*HEADING
Contact
*include, input=all.msh
*include, input=b-contact.nam
*include, input=s-contact.nam
*SURFACE,NAME=BIGSURF1
18, S1
19, S1
*SURFACE,NAME=SMALLSURF2,TYPE=NODE
Ns-contact
*TIE,NAME=TIE1
SMALLSURF2,BIGSURF1
*BOUNDARY
*include, input=fix_123456.bou
*MATERIAL,NAME=EL
*ELASTIC
2e6,0.3
*SOLID SECTION,ELSET=Eall,MATERIAL=EL
*STEP
*STATIC
*DLOAD
*INCLUDE,INPUT=load.dlo
*NODE FILE
U
*EL FILE
S
*END STEP
…
*INFO in gentiedmpc:
failed nodes (if any) are stored in file
WarnNodeMissTiedContact.nam
This file can be loaded into
an active cgx-session by typing
read WarnNodeMissTiedContact.nam inp
And the other thing if write the following
*SURFACE,NAME=BIGSURF1, TYPE=NODE
Nb-contact
*ERROR in allocont: master surface BIGSURF1
does not exist or does not contain
element faces
Why is that so? CalculiX examples by Prof. Martin Kraska add confusion to the matter than a clarity to it. May be there are special rules to read the examples I am not aware of?