Polynomial equation for curves

SB
Shravani Bojja
Thu, Jun 15, 2023 2:48 PM

Dear Ansys experts,

is there any possibility in Ansys workbench (or via APDL command snippets) that we can get a polynomial equation (of a user defined degree) for different curves?

for example, for 3 different design points, 3 different displacements curves are obtained (at 3 different loads). For these 3 curves, I would like to generate a polynomial equation such that the coefficients obtained from this equation can be used further.

Mit freundlichen Grüßen / Best Regards

Shravani Bojja
MECHANICAL ENGINEERING

[cid:image001.png@01D99FA9.34DE65E0]

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Dear Ansys experts, is there any possibility in Ansys workbench (or via APDL command snippets) that we can get a polynomial equation (of a user defined degree) for different curves? for example, for 3 different design points, 3 different displacements curves are obtained (at 3 different loads). For these 3 curves, I would like to generate a polynomial equation such that the coefficients obtained from this equation can be used further. Mit freundlichen Grüßen / Best Regards Shravani Bojja MECHANICAL ENGINEERING [cid:image001.png@01D99FA9.34DE65E0] shravani.bojja@saueressig.com<mailto:shravani.bojja@saueressig.com> | http://www.saueressig.com<http://www.saueressig.com/> Matthews International GmbH | Gutenbergstraße 1-3 | 48691 Vreden | Germany A SAUERESSIG Group brand CONFIDENTIALITY NOTICE: This message, together with any attachments, is intended only for the addressee. It may contain information which is proprietary, confidential, legally privileged and/or exempt from disclosure. If you are not the intended recipient of this message, you are hereby notified that any disclosure, copying, distribution, use, or any action or reliance on this communication is strictly prohibited. If you have received this e-mail in error, please notify the sender immediately by return e-mail and delete the message, along with any attachments.
MG
Mohammad Gharaibeh
Thu, Jun 15, 2023 2:58 PM

I think you can employ the basics of the least squares method to do so. You
can refer to any numerical methods (or analysis) text book for the theory.
It can be easily coded, I believe.

On Thursday, June 15, 2023, Shravani Bojja Shravani.Bojja@saueressig.com
wrote:

Dear Ansys experts,

is there any possibility in Ansys workbench (or via APDL command snippets)
that we can get a polynomial equation (of a user defined degree) for
different curves?

for example, for 3 different design points, 3 different displacements
curves are obtained (at 3 different loads). For these 3 curves, I would
like to generate a polynomial equation such that the coefficients obtained
from this equation can be used further.

Mit freundlichen Grüßen / Best Regards

Shravani Bojja
MECHANICAL ENGINEERING

[cid:image001.png@01D99FA9.34DE65E0]

shravani.bojja@saueressig.commailto:shravani.bojja@saueressig.com |
http://www.saueressig.comhttp://www.saueressig.com/
Matthews International GmbH | Gutenbergstraße 1-3 | 48691 Vreden | Germany
A SAUERESSIG Group brand

CONFIDENTIALITY NOTICE: This message, together with any attachments, is
intended only for the addressee. It may contain information which is
proprietary, confidential, legally privileged and/or exempt from
disclosure. If you are not the intended recipient of this message, you are
hereby notified that any disclosure, copying, distribution, use, or any
action or reliance on this communication is strictly prohibited. If you
have received this e-mail in error, please notify the sender immediately by
return e-mail and delete the message, along with any attachments.

--

---====
Mohammad A Gharaibeh, Ph.D.
Associate Professor
Department of Mechanical Engineering
The Hashemite University
P.O. Box 330127
Zarqa, 13133, Jordan
Tel: +962 - 5 - 390 3333 Ext. 4771
Fax: +962 - 5 - 382 6348

---====

I think you can employ the basics of the least squares method to do so. You can refer to any numerical methods (or analysis) text book for the theory. It can be easily coded, I believe. On Thursday, June 15, 2023, Shravani Bojja <Shravani.Bojja@saueressig.com> wrote: > Dear Ansys experts, > > is there any possibility in Ansys workbench (or via APDL command snippets) > that we can get a polynomial equation (of a user defined degree) for > different curves? > > for example, for 3 different design points, 3 different displacements > curves are obtained (at 3 different loads). For these 3 curves, I would > like to generate a polynomial equation such that the coefficients obtained > from this equation can be used further. > > Mit freundlichen Grüßen / Best Regards > > Shravani Bojja > MECHANICAL ENGINEERING > > > [cid:image001.png@01D99FA9.34DE65E0] > > shravani.bojja@saueressig.com<mailto:shravani.bojja@saueressig.com> | > http://www.saueressig.com<http://www.saueressig.com/> > Matthews International GmbH | Gutenbergstraße 1-3 | 48691 Vreden | Germany > A SAUERESSIG Group brand > > CONFIDENTIALITY NOTICE: This message, together with any attachments, is > intended only for the addressee. It may contain information which is > proprietary, confidential, legally privileged and/or exempt from > disclosure. If you are not the intended recipient of this message, you are > hereby notified that any disclosure, copying, distribution, use, or any > action or reliance on this communication is strictly prohibited. If you > have received this e-mail in error, please notify the sender immediately by > return e-mail and delete the message, along with any attachments. > > -- ===================================== Mohammad A Gharaibeh, Ph.D. Associate Professor Department of Mechanical Engineering The Hashemite University P.O. Box 330127 Zarqa, 13133, Jordan Tel: +962 - 5 - 390 3333 Ext. 4771 Fax: +962 - 5 - 382 6348 =====================================
SB
shravani.bojja@saueressig.com
Wed, Jun 28, 2023 2:51 PM

Dear Mohammad A Gharaibeh,

thanks for your suggestion, it helped to resolve the issue.

Mit freundlichen Grüßen / Best Regards

Shravani Bojja
MECHANICAL ENGINEERING

[cid:image001.png@01D99FA9.34DE65E0]

http://www.saueressig.comhttp://www.saueressig.com/
Matthews International GmbH | Gutenbergstraße 1-3 | 48691 Vreden | Germany
A SAUERESSIG Group brand

CONFIDENTIALITY NOTICE: This message, together with any attachments, is intended only for the addressee. It may contain information which is proprietary, confidential, legally privileged and/or exempt from disclosure. If you are not the intended recipient of this message, you are hereby notified that any disclosure, copying, distribution, use, or any action or reliance on this communication is strictly prohibited. If you have received this e-mail in error, please notify the sender immediately by return e-mail and delete the message, along with any attachments.

Dear Mohammad A Gharaibeh, thanks for your suggestion, it helped to resolve the issue. Mit freundlichen Grüßen / Best Regards Shravani Bojja\ MECHANICAL ENGINEERING \[cid:[image001.png@01D99FA9.34DE65E0](mailto:image001.png@01D99FA9.34DE65E0)\] [http://www.saueressig.comhttp://www.saueressig.com/](http://www.saueressig.com/)\ Matthews International GmbH | Gutenbergstraße 1-3 | 48691 Vreden | Germany\ A SAUERESSIG Group brand CONFIDENTIALITY NOTICE: This message, together with any attachments, is intended only for the addressee. It may contain information which is proprietary, confidential, legally privileged and/or exempt from disclosure. If you are not the intended recipient of this message, you are hereby notified that any disclosure, copying, distribution, use, or any action or reliance on this communication is strictly prohibited. If you have received this e-mail in error, please notify the sender immediately by return e-mail and delete the message, along with any attachments.