Search found 7 matches

by DaHuang
Fri Jul 08, 2022 9:37 pm
Forum: Property
Topic: TwoNode links local coordinate system warning
Replies: 2
Views: 1603

Re: TwoNode links local coordinate system warning

Thank you! that is very clear.
by DaHuang
Tue Jul 05, 2022 5:19 pm
Forum: Property
Topic: TwoNode links local coordinate system warning
Replies: 2
Views: 1603

TwoNode links local coordinate system warning

Dear SKTO team,

Is there any problem when you get the warning for using the TwoNode links element? the program keeps having "no local y vector specified
" warning even I assigned local coordinate to those links.

Thanks,

Da
by DaHuang
Thu Jun 30, 2022 8:58 pm
Forum: Property
Topic: physical property must be section not special purpose
Replies: 3
Views: 1739

physical property must be section not special purpose

Dear SKTO team,

I am trying to model a post-tension bar, I used steel01 material and initialstrain material to add PT force, then assigned truss element. When I run the model the error said physical property must be section, I added a section in special purpose, Do you have any ideas to fix the ...
by DaHuang
Fri Jun 24, 2022 5:32 pm
Forum: Analysis
Topic: 'NoneType' object has no attribute 'id'
Replies: 14
Views: 137003

Re: 'NoneType' object has no attribute 'id'


You have to look at the last line of the traceback of the error.
It will tell you what element is missing a physical property


Dear SKTO team, the last line of the traceback of the error shows lines in the python file, not the element number? I attached my traceback, It looks like something is ...
by DaHuang
Thu Jun 23, 2022 5:04 am
Forum: Analysis
Topic: 'NoneType' object has no attribute 'id'
Replies: 14
Views: 137003

Re: 'NoneType' object has no attribute 'id'


If you look at the last line of the traceback, it is trying to get the "id" attribute from the "phys_prop" object, which is "NoneType". In python it means it is a null object.

What happens is that at some edge with a forceBeamColumn element property, you don't have any physical property


Hi ...
by DaHuang
Mon Jun 06, 2022 10:17 pm
Forum: Get Started Discussion
Topic: error when writing tcl files
Replies: 1
Views: 1253

error when writing tcl files

Dear all,

I tied modeling a simple shear wall shell element, and when I tried to write the tcl file, the error showed up. Can anyone know how to fix it?

the message is
error.png
error
error.png (121.22 KiB) Viewed 1253 times
really appreciate your helps!!!

Da