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Accleration not matching

Posted: Tue Mar 22, 2022 3:46 pm
by Zeeshanbhat
Dear team,
I tried to compare the acceleration that I get from the acceleration recorder command with the STKO Postprocessor. There is a difference between the two. I have attached the image below. Also If I compare the acceleration at the top story, there is a huge difference. Any suggestions in this regard will be appreciated.

Regards,
Zeeshan Bhat

Re: Accleration not matching

Posted: Thu Mar 24, 2022 12:50 pm
by Zeeshanbhat
Gentle reminder

Re: Accleration not matching

Posted: Fri Mar 25, 2022 1:58 pm
by Zeeshanbhat
Dear Team,

Any update.

regards,
Zeeshan

Re: Accleration not matching

Posted: Mon Mar 28, 2022 1:29 pm
by Zeeshanbhat
Dear Team,

If there is anything wrong in my model, please let me know.

Regards,
Zeeshan

Re: Accleration not matching

Posted: Tue Mar 29, 2022 8:09 am
by HC2020
Dear Zeeshan,

We promise we haven't forgotten about your question, we received a lot of complex questions on the forum lately and we are working our way through them. We appreciate your patience and we will answer this topic soon.

Re: Accleration not matching

Posted: Tue Mar 29, 2022 3:01 pm
by Zeeshanbhat
Dear Team,

Thank you for your response.

Regards,
Zeeshan Bhat

Re: Accleration not matching

Posted: Mon Apr 04, 2022 6:11 am
by Zeeshanbhat
Dear Team,

Gentle reminder.

Regards,
Zeeshan Bhat

Re: Accleration not matching

Posted: Mon Apr 04, 2022 9:49 am
by STKO Team
Sorry for the late response.
Actually, the results are correct:

You are using the uniform excitation, which means the output accelerations are relative.
In STKO you are recording the relative acceleration,
while in the node recorder you added the timeSeries (option -timeSeries 2) which makes the output absolute.

Try to remove the -timeSeries 2 option and you will see the same output