analysis issue

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alokbhatta
Posts: 8
Joined: Thu Jun 25, 2020 11:26 pm

analysis issue

Post by alokbhatta » Wed Jul 01, 2020 9:06 am

I am facing this warning while trying to execute the analysis of my stone masonry model:
warning.png
warning.png (23.11 KiB) Viewed 163 times
I have created interaction between the walls and applied translation constraints. Also, I have inserted interaction between the timber base and wall at roof level (although, not sure about this). The wall element is thick shell. I have tried to follow similar procedures from the STKO webinars. I'd be grateful for any help with the model that I have attached below:
masonry.rar
(3.84 MiB) Downloaded 10 times

STKO Team
Posts: 168
Joined: Tue Oct 29, 2019 8:45 am

Re: analysis issue

Post by STKO Team » Wed Jul 01, 2020 9:14 am

From the error it looks like that you are using a quadrilateral mesh with quadratic displacement interpolation (9 nodes)
while the element you are using is a 4 node element (ShellMITC4).

You have 2 options:
1) If you want to use quadratic displacement interpolation, use ShellMITC9
2) if you want to use linear displacement interpolation, use ShellMITC4, go in meshControls and use Order = "Linear"

Let us know if it works, or if you have other issues

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