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SB

shravani.bojja@saueressig.com

Wed, Jul 12, 2023 8:16 AM

Hello Ansys experts,

Is it possible to plot a graph with varying X-values and varying Y-values using APDL commands in the same graph? I tried with *VPLOT (*VPLOT, ParX, ParY, Y2, Y3, Y4, Y5, Y6, Y7, Y8) , however this command provides a graph with same X-values for different Y-values.

For exampl: If I consider two sets of data in an excel, I can plot two curves in the same graph (please see the attachment). Is there any possibility in Ansys to do the same using APDL commands? I am trying to plot a graph between stress and strain values for different design points and compare them.

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.

Hello Ansys experts, Is it possible to plot a graph with varying X-values and varying Y-values using APDL commands in the same graph? I tried with \*VPLOT (**\*VPLOT**, *`ParX`*, *`ParY`*, *`Y2`*, *`Y3`*, *`Y4`*, *`Y5`*, *`Y6`*, *`Y7`*, *`Y8`*) , however this command provides a graph with same X-values for different Y-values. For exampl: If I consider two sets of data in an excel, I can plot two curves in the same graph (please see the attachment). Is there any possibility in Ansys to do the same using APDL commands? I am trying to plot a graph between stress and strain values for different design points and compare them. 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. [![Attached image](https://list.xansys.org/empathy/image/734118/200 "image001.png")](https://list.xansys.org/empathy/attachment/734118)

MG

Mohammad Gharaibeh

Wed, Jul 12, 2023 2:40 PM

As far as I understand here is my comment.

Suppose you have:

Vector vecx (represents the x-axis values - let’s say strain)
Vector vecy1 (the first variable as function of x - stresses of material 1)
Vector vecy2 (the second variable as function of x - stresses of material
2).

It is important to mention that the length of all vector must be the same.

If you want stress-strain curves of material 1 and 2 on the same 2D graph,
then: *vplot,vecx,vecy1,vecy2 should do the trick.

Hope this helps!
MG

--

---====
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

---====

As far as I understand here is my comment. Suppose you have: Vector vecx (represents the x-axis values - let’s say strain) Vector vecy1 (the first variable as function of x - stresses of material 1) Vector vecy2 (the second variable as function of x - stresses of material 2). It is important to mention that the length of all vector must be the same. If you want stress-strain curves of material 1 and 2 on the same 2D graph, then: *vplot,vecx,vecy1,vecy2 should do the trick. Hope this helps! MG -- ===================================== 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 =====================================

CW

Christopher Wright

Wed, Jul 12, 2023 7:15 PM

On Jul 12, 2023, at 3:16 AM, shravani.bojja@saueressig.com wrote:

Is it possible to plot a graph with varying X-values and varying Y-values using APDL commands in the same graph? I tried with *VPLOT (*VPLOT, ParX, ParY, Y2, Y3, Y4, Y5, Y6, Y7, Y8) , however this command provides a graph with same X-values for different Y-values.

I did a lot of fiddling around with ANSYS plot formatting commands and my over-riding conclusion was to let ANSYS crunch numbers and to declutter and display results EXCEL.The main reason was that I usually needed to include results in a nicely formatted report that wouldn't confuse people with all the clutter found on ANSYS plots. Nice thing about using EXCEL is that it imports into MS Word documents easily making for clean reports. There are lots of variations on the process—I used a Mac to write reports and ran ANSYS (my preference) with a terminal emulator that let me import and declutter results very easily and quickly.

C—
chrisw@skypoint.com
——
We are the Village Green Preservation Society.
God save Donald Duck, vaudeville and variety.
We are the Desperate Dan Appreciation Society.
God save strawberry jam and all the different varieties.

On Jul 12, 2023, at 3:16 AM, shravani.bojja@saueressig.com wrote: > Is it possible to plot a graph with varying X-values and varying Y-values using APDL commands in the same graph? I tried with \*VPLOT (**\*VPLOT**, *`ParX`*, *`ParY`*, *`Y2`*, *`Y3`*, *`Y4`*, *`Y5`*, *`Y6`*, *`Y7`*, *`Y8`*) , however this command provides a graph with same X-values for different Y-values. I did a lot of fiddling around with ANSYS plot formatting commands and my over-riding conclusion was to let ANSYS crunch numbers and to declutter and display results EXCEL.The main reason was that I usually needed to include results in a nicely formatted report that wouldn't confuse people with all the clutter found on ANSYS plots. Nice thing about using EXCEL is that it imports into MS Word documents easily making for clean reports. There are lots of variations on the process—I used a Mac to write reports and ran ANSYS (my preference) with a terminal emulator that let me import and declutter results very easily and quickly. C— chrisw@skypoint.com —— We are the Village Green Preservation Society. God save Donald Duck, vaudeville and variety. We are the Desperate Dan Appreciation Society. God save strawberry jam and all the different varieties.

SB

shravani.bojja@saueressig.com

Thu, Jul 13, 2023 6:24 AM

Dear Mohammad A Gharaibeh,

your suggestion works when there are same X-values (for example strain) and different Y-values(for example stresses of material 1 and material 2), but my requirement is a bit different. *VPLOT is useful when the curves are plotted for different ordinate values against a single abscissa. i.e., the X-values doesn’t change and only the Y-values change based on different columns in an array (if a multiple columns array is considered).

But I would like to know if we can plot a graph with different sets of X and Y values, where X-values and Y-values both changes. These X and Y values are obtained differently for each design point. As an example for the requirement, please refer the attached screenshot.

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, your suggestion works when there are same X-values (for example strain) and different Y-values(for example stresses of material 1 and material 2), but my requirement is a bit different. \*VPLOT is useful when the curves are plotted for different ordinate values against a single abscissa. i.e., the X-values doesn’t change and only the Y-values change based on different columns in an array (if a multiple columns array is considered). But I would like to know if we can plot a graph with different sets of X and Y values, where X-values and Y-values both changes. These X and Y values are obtained differently for each design point. As an example for the requirement, please refer the attached screenshot. 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. [![Attached image](https://list.xansys.org/empathy/image/734118/200 "image001.png")](https://list.xansys.org/empathy/attachment/734118)

MG

Mohammad Gharaibeh

Thu, Jul 13, 2023 7:35 AM

Well, I have never been so fond of ANSYS plots, with all due respect. That
is why I use MATLAB for my plots. I can play around with that conveniently.

Anyway, for your case, you might want to add (or place) the values of x2 in
your x1 vector and the corresponding y1 values to be kept blank. Do the
same thing by placing x1 in x2 vector with blank corresponding values in
y2. The idea here is to make x1 and x2 the same. I think it makes sense but
I am not sure if this works but it is worth a try.

Good Luck!

---====
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

---====

On Thu, Jul 13, 2023 at 9:26 AM shravani.bojja@saueressig.com wrote:

Dear Mohammad A Gharaibeh,

your suggestion works when there are same X-values (for example strain)
and different Y-values(for example stresses of material 1 and material 2),
but my requirement is a bit different. *VPLOT is useful when the curves
are plotted for different ordinate values against a single abscissa. i.e.,
the X-values doesn’t change and only the Y-values change based on different
columns in an array (if a multiple columns array is considered).

But I would like to know if we can plot a graph with different sets of X
and Y values, where X-values and Y-values both changes. These X and Y
values are obtained differently for each design point. As an example for
the requirement, please refer the attached screenshot.

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/%5D(http://www.saueressig.com/)%5C
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
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Well, I have never been so fond of ANSYS plots, with all due respect. That is why I use MATLAB for my plots. I can play around with that conveniently. Anyway, for your case, you might want to add (or place) the values of x2 in your x1 vector and the corresponding y1 values to be kept blank. Do the same thing by placing x1 in x2 vector with blank corresponding values in y2. The idea here is to make x1 and x2 the same. I think it makes sense but I am not sure if this works but it is worth a try. Good Luck! ===================================== 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 ===================================== On Thu, Jul 13, 2023 at 9:26 AM <shravani.bojja@saueressig.com> wrote: > Dear Mohammad A Gharaibeh, > > your suggestion works when there are same X-values (for example strain) > and different Y-values(for example stresses of material 1 and material 2), > but my requirement is a bit different. \*VPLOT is useful when the curves > are plotted for different ordinate values against a single abscissa. i.e., > the X-values doesn’t change and only the Y-values change based on different > columns in an array (if a multiple columns array is considered). > > But I would like to know if we can plot a graph with different sets of X > and Y values, where X-values and Y-values both changes. These X and Y > values are obtained differently for each design point. As an example for > the requirement, please refer the attached screenshot. > > 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/)\ > <http://www.saueressig.com/%5D(http://www.saueressig.com/)%5C> > 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. > > [![Attached image](https://list.xansys.org/empathy/image/734118/200 > "image001.png")](https://list.xansys.org/empathy/attachment/734118) > _______________________________________________ > Xansys mailing list -- xansys-temp@list.xansys.org > To unsubscribe send an email to xansys-temp-leave@list.xansys.org > If you are receiving too many emails from XANSYS please consider changing > account settings to Digest mode which will send a single email per day. > > Please send administrative requests such as deletion from XANSYS to > xansys-mod@tynecomp.co.uk and not to the list

PJ

Patterson, James

Thu, Jul 13, 2023 2:30 PM

Not a direct solution maybe, but could you set both axes limits and then be clever with the “/NOERASE” command and make two plots on top of each other?

Thanks,

Jim

[cid:image001.png@01D9B575.09025850]
James J. Patterson, PhD.
Principal Vehicle Systems Engineer
Trailer Commercial Vehicle Systems
2070 Industrial Place S.E. Canton, OH 44707
ph. 330 489 0095 | fax 330 489 1961
jpatterson@hendrickson-intl.com mailto:jpatterson@hendrickson-intl.com
www.hendrickson-intl.com
[cid:image002.gif@01D9B575.09025850]

From: shravani.bojja@saueressig.com shravani.bojja@saueressig.com
Sent: Thursday, July 13, 2023 2:25 AM
To: xansys-temp@list.xansys.org
Subject: [Xansys] Re: [External Email] Plotting a graph using APDL commands

Dear Mohammad A Gharaibeh, your suggestion works when there are same X-values (for example strain) and different Y-values(for example stresses of material 1 and material 2), but my requirement is a bit different. *VPLOT is useful when the
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Dear Mohammad A Gharaibeh,

your suggestion works when there are same X-values (for example strain) and different Y-values(for example stresses of material 1 and material 2), but my requirement is a bit different. *VPLOT is useful when the curves are plotted for different ordinate values against a single abscissa. i.e., the X-values doesn’t change and only the Y-values change based on different columns in an array (if a multiple columns array is considered).

But I would like to know if we can plot a graph with different sets of X and Y values, where X-values and Y-values both changes. These X and Y values are obtained differently for each design point. As an example for the requirement, please refer the attached screenshot.

Mit freundlichen Grüßen / Best Regards

Shravani Bojja\

MECHANICAL ENGINEERING

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

[https://urldefense.com/v3/http://www.saueressig.comhttp:/*www.saueressig.com/*5D(http:/*www.saueressig.com/)*5C;LyUvJQ!!HXcklc0VomgEZw!4eMUc1jxtqhieLYf2-tD5uNuHWbnJfOMXDqSlyn6qqsLV7N3BWR07kmd_ImuyHIFYQr4255lMFoSnw9YXf5SG0u8BeXAnMTEusbR$https://urldefense.com/v3/__http:/www.saueressig.comhttp:/*www.saueressig.com/*5D(http:/*www.saueressig.com/)*5C__;LyUvJQ!!HXcklc0VomgEZw!4eMUc1jxtqhieLYf2-tD5uNuHWbnJfOMXDqSlyn6qqsLV7N3BWR07kmd_ImuyHIFYQr4255lMFoSnw9YXf5SG0u8BeXAnMTEusbR$

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.

The contents of this message may be privileged and confidential. Therefore, if this message has been received in error, please delete it without reading it. Your receipt of this message is not intended to waive any applicable privilege. Please do not disseminate this message without the permission of the author.

Not a direct solution maybe, but could you set both axes limits and then be clever with the “/NOERASE” command and make two plots on top of each other? Thanks, Jim [cid:image001.png@01D9B575.09025850] James J. Patterson, PhD. Principal Vehicle Systems Engineer Trailer Commercial Vehicle Systems 2070 Industrial Place S.E. Canton, OH 44707 ph. 330 489 0095 | fax 330 489 1961 jpatterson@hendrickson-intl.com<mailto:jpatterson@hendrickson-intl.com> www.hendrickson-intl.com [cid:image002.gif@01D9B575.09025850] From: shravani.bojja@saueressig.com <shravani.bojja@saueressig.com> Sent: Thursday, July 13, 2023 2:25 AM To: xansys-temp@list.xansys.org Subject: [Xansys] Re: [External Email] Plotting a graph using APDL commands Dear Mohammad A Gharaibeh, your suggestion works when there are same X-values (for example strain) and different Y-values(for example stresses of material 1 and material 2), but my requirement is a bit different. \*VPLOT is useful when the ZjQcmQRYFpfptBannerStart [H] IT Security: This Message Is From an External Sender Warning: This message came from someone outside of Hendrickson Report Suspicious <https://us-phishalarm-ewt.proofpoint.com/EWT/v1/HXcklc0VomgEZw!3A99bn7jgA8nnwJj9bCL8UJCGUBGagtWhKsq69q-9e1CLK_uolwlCYkhh9hsiK61-GXfxRu_O01MgnnNlVEPmMVoba9JLEocXj3JG_fEH6NrRcszGGEaXlrpdy4$> ‌ ZjQcmQRYFpfptBannerEnd Dear Mohammad A Gharaibeh, your suggestion works when there are same X-values (for example strain) and different Y-values(for example stresses of material 1 and material 2), but my requirement is a bit different. \*VPLOT is useful when the curves are plotted for different ordinate values against a single abscissa. i.e., the X-values doesn’t change and only the Y-values change based on different columns in an array (if a multiple columns array is considered). But I would like to know if we can plot a graph with different sets of X and Y values, where X-values and Y-values both changes. These X and Y values are obtained differently for each design point. As an example for the requirement, please refer the attached screenshot. Mit freundlichen Grüßen / Best Regards Shravani Bojja\ MECHANICAL ENGINEERING \[cid:[image001.png@01D99FA9.34DE65E0](mailto:image001.png@01D99FA9.34DE65E0)\] [https://urldefense.com/v3/__http://www.saueressig.comhttp:/*www.saueressig.com/*5D(http:/*www.saueressig.com/)*5C__;LyUvJQ!!HXcklc0VomgEZw!4eMUc1jxtqhieLYf2-tD5uNuHWbnJfOMXDqSlyn6qqsLV7N3BWR07kmd_ImuyHIFYQr4255lMFoSnw9YXf5SG0u8BeXAnMTEusbR$<https://urldefense.com/v3/__http:/www.saueressig.comhttp:/*www.saueressig.com/*5D(http:/*www.saueressig.com/)*5C__;LyUvJQ!!HXcklc0VomgEZw!4eMUc1jxtqhieLYf2-tD5uNuHWbnJfOMXDqSlyn6qqsLV7N3BWR07kmd_ImuyHIFYQr4255lMFoSnw9YXf5SG0u8BeXAnMTEusbR$> 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. [![Attached image](https://urldefense.com/v3/__https://list.xansys.org/empathy/image/734118/200__;!!HXcklc0VomgEZw!4eMUc1jxtqhieLYf2-tD5uNuHWbnJfOMXDqSlyn6qqsLV7N3BWR07kmd_ImuyHIFYQr4255lMFoSnw9YXf5SG0u8BeXAnMt9r_BD$<https://urldefense.com/v3/__https:/list.xansys.org/empathy/image/734118/200__;!!HXcklc0VomgEZw!4eMUc1jxtqhieLYf2-tD5uNuHWbnJfOMXDqSlyn6qqsLV7N3BWR07kmd_ImuyHIFYQr4255lMFoSnw9YXf5SG0u8BeXAnMt9r_BD$> "image001.png")](https://urldefense.com/v3/__https://list.xansys.org/empathy/attachment/734118__;!!HXcklc0VomgEZw!4eMUc1jxtqhieLYf2-tD5uNuHWbnJfOMXDqSlyn6qqsLV7N3BWR07kmd_ImuyHIFYQr4255lMFoSnw9YXf5SG0u8BeXAnKVhTrps$<https://urldefense.com/v3/__https:/list.xansys.org/empathy/attachment/734118__;!!HXcklc0VomgEZw!4eMUc1jxtqhieLYf2-tD5uNuHWbnJfOMXDqSlyn6qqsLV7N3BWR07kmd_ImuyHIFYQr4255lMFoSnw9YXf5SG0u8BeXAnKVhTrps$>) The contents of this message may be privileged and confidential. Therefore, if this message has been received in error, please delete it without reading it. Your receipt of this message is not intended to waive any applicable privilege. Please do not disseminate this message without the permission of the author.

SB

shravani.bojja@saueressig.com

Wed, Jul 19, 2023 9:03 AM

Hello James,

‘/noerase’ command fits here. Many thanks:)

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
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Hello James, ‘/noerase’ command fits here. Many thanks:) 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. [![Attached image](https://list.xansys.org/empathy/image/734118/200 "image001.png")](https://list.xansys.org/empathy/attachment/734118)

PJ

Patterson, James

Tue, Jul 25, 2023 1:42 PM

Good Morning,

I’m an ANSYS Classic guy but have a project that wants to be in WB, so I’m trying to get it to work as I want. Prepare for a long (but interesting!) story…

I have a large structure where I’m interested in stresses/life at a small detail.
* Eventually I’ll get to a submodel.
The loading I’ll apply to this structure will come from an ADAMS multibody dynamics simulation.
* A full vehicle in various road events.

The workflow I’m trying is…
* Create a course model of the structure in WB.
* Use WB to create a flex body (modal neutral file) for use in ADAMS.

                                          i.     This is done in a “Modal” system in WB.

                                         ii.     Includes meshing and creation of required Remote Points.

 *   Import and apply this flex body in my ADAMS model.
 *   Make my run and export the loads on the flex body at several times of interest.

                                                i.     This is a really nice feature in ADAMS, as it makes a text file of ANSYS commands.

                                               ii.     It includes “LSWRITE” commands at each time point/loadstep.

                                              iii.     For this test, there are two loadsteps, t=1 and t=5, but it could be more in the future.

                                              iv.     See example file below.

 *   Have the modal system above feed a new structural system on the project page.
 *   Use a command object in the structural system to read the load file generated by ADAMS.

                                                i.     /input,FELoads,mac,C:\ADAMS_2023\MyTest

                                               ii.     time,1

                                              iii.     lssolve,1,2

This is where the trouble starts.

In the “Analysis Settings” details I specify “Number of steps” as 2.
* I have loads for t=1 and t=5.
When I hit solve, I get results at LS1 and LS5 as expected, but it then creates a repeat of LS5 twice for an LS6 and LS7 (???).

I’ve been trying different combinations of…

Using LSSOLVE or not
Setting TIME or not
Setting Number of Steps or not.

Have not stumbled onto the right combination. Thoughts…???

Thanks,

Jim

Example loads exported from ADAMS…

!
! ******** A N S Y S ********
! ****** LOADS DATA SET FRAGMENT ******
! Load File Created From Adams Analysis
! TO BE MERGED WITH ANSYS INPUT FILE!
! Created: Mon Jul 24 15:36:40 2023
! Number of Load Cases: 2
! Units: Mass = pound_mass
! Length = inch
! Force = pound_force
! Time = sec
! *************************************
!
! Load Point Information (Global Reference Frame):
! Node ID Adams ID X Y Z Marker Label
! -------- -------- ------------ ------------ ------------ ------------
! 1 1 1.50000e+00 0.00000e+00 0.00000e+00 MARKER_1
! 2 3 1.65000e+01 2.50000e-01 0.00000e+00 MARKER_3
!
! Load Point Information (FEA Reference Frame):
! Node ID Adams ID X Y Z Marker Label
! -------- -------- ------------ ------------ ------------ ------------
! 1 1 1.50000e+00 0.00000e+00 0.00000e+00 MARKER_1
! 2 3 1.65000e+01 2.50000e-01 0.00000e+00 MARKER_3
!
!
! LOAD CASE = 1
!
TIME, 1.00000e+00
FDEL, ALL
ACEL,-3.07068e-01, 3.86088e+02, 0.00000e+00
OMEGA, 0.00000e+00, 0.00000e+00, 0.00000e+00
DOMEGA, 0.00000e+00, 0.00000e+00, 0.00000e+00
F, 1, FX,-4.46899e-03
F, 1, FY, 5.61904e+00
F, 1, MZ, 4.21435e+01
LSWRITE
!
! LOAD CASE = 2
!
TIME, 5.00000e+00
FDEL, ALL
ACEL, 1.37511e+01, 3.85845e+02, 1.06758e-04
OMEGA, 0.00000e+00, 0.00000e+00, 0.00000e+00
DOMEGA, 0.00000e+00, 0.00000e+00,-3.45181e-04
F, 1, FX,-3.36153e+00
F, 1, FY,-9.43211e+01
F, 1, MY, 4.03109e-04
F, 1, MZ,-1.45596e+03
F, 2, FX, 3.56166e+00
F, 2, FY, 9.99366e+01
LSWRITE

[cid:image001.png@01D9BED8.E6B671B0]
James J. Patterson, PhD.
Principal Vehicle Systems Engineer
Trailer Commercial Vehicle Systems
2070 Industrial Place S.E. Canton, OH 44707
ph. 330 489 0095 | fax 330 489 1961
jpatterson@hendrickson-intl.com mailto:jpatterson@hendrickson-intl.com
www.hendrickson-intl.com
[cid:image002.gif@01D9BED8.E6B671B0]

The contents of this message may be privileged and confidential. Therefore, if this message has been received in error, please delete it without reading it. Your receipt of this message is not intended to waive any applicable privilege. Please do not disseminate this message without the permission of the author.

Good Morning, I’m an ANSYS Classic guy but have a project that wants to be in WB, so I’m trying to get it to work as I want. Prepare for a long (but interesting!) story… 1. I have a large structure where I’m interested in stresses/life at a small detail. * Eventually I’ll get to a submodel. 2. The loading I’ll apply to this structure will come from an ADAMS multibody dynamics simulation. * A full vehicle in various road events. 3. The workflow I’m trying is… * Create a course model of the structure in WB. * Use WB to create a flex body (modal neutral file) for use in ADAMS. i. This is done in a “Modal” system in WB. ii. Includes meshing and creation of required Remote Points. * Import and apply this flex body in my ADAMS model. * Make my run and export the loads on the flex body at several times of interest. i. This is a really nice feature in ADAMS, as it makes a text file of ANSYS commands. ii. It includes “LSWRITE” commands at each time point/loadstep. iii. For this test, there are two loadsteps, t=1 and t=5, but it could be more in the future. iv. See example file below. * Have the modal system above feed a new structural system on the project page. * Use a command object in the structural system to read the load file generated by ADAMS. i. /input,FELoads,mac,C:\ADAMS_2023\MyTest ii. time,1 iii. lssolve,1,2 This is where the trouble starts. 1. In the “Analysis Settings” details I specify “Number of steps” as 2. * I have loads for t=1 and t=5. 2. When I hit solve, I get results at LS1 and LS5 as expected, but it then creates a repeat of LS5 twice for an LS6 and LS7 (???). I’ve been trying different combinations of… 1. Using LSSOLVE or not 2. Setting TIME or not 3. Setting Number of Steps or not. Have not stumbled onto the right combination. Thoughts…??? Thanks, Jim Example loads exported from ADAMS… ! ! ******** A N S Y S ******** ! ****** LOADS DATA SET FRAGMENT ****** ! Load File Created From Adams Analysis ! TO BE MERGED WITH ANSYS INPUT FILE! ! Created: Mon Jul 24 15:36:40 2023 ! Number of Load Cases: 2 ! Units: Mass = pound_mass ! Length = inch ! Force = pound_force ! Time = sec ! ************************************* ! ! Load Point Information (Global Reference Frame): ! Node ID Adams ID X Y Z Marker Label ! -------- -------- ------------ ------------ ------------ ------------ ! 1 1 1.50000e+00 0.00000e+00 0.00000e+00 MARKER_1 ! 2 3 1.65000e+01 2.50000e-01 0.00000e+00 MARKER_3 ! ! Load Point Information (FEA Reference Frame): ! Node ID Adams ID X Y Z Marker Label ! -------- -------- ------------ ------------ ------------ ------------ ! 1 1 1.50000e+00 0.00000e+00 0.00000e+00 MARKER_1 ! 2 3 1.65000e+01 2.50000e-01 0.00000e+00 MARKER_3 ! ! ! LOAD CASE = 1 ! TIME, 1.00000e+00 FDEL, ALL ACEL,-3.07068e-01, 3.86088e+02, 0.00000e+00 OMEGA, 0.00000e+00, 0.00000e+00, 0.00000e+00 DOMEGA, 0.00000e+00, 0.00000e+00, 0.00000e+00 F, 1, FX,-4.46899e-03 F, 1, FY, 5.61904e+00 F, 1, MZ, 4.21435e+01 LSWRITE ! ! LOAD CASE = 2 ! TIME, 5.00000e+00 FDEL, ALL ACEL, 1.37511e+01, 3.85845e+02, 1.06758e-04 OMEGA, 0.00000e+00, 0.00000e+00, 0.00000e+00 DOMEGA, 0.00000e+00, 0.00000e+00,-3.45181e-04 F, 1, FX,-3.36153e+00 F, 1, FY,-9.43211e+01 F, 1, MY, 4.03109e-04 F, 1, MZ,-1.45596e+03 F, 2, FX, 3.56166e+00 F, 2, FY, 9.99366e+01 LSWRITE [cid:image001.png@01D9BED8.E6B671B0] James J. Patterson, PhD. Principal Vehicle Systems Engineer Trailer Commercial Vehicle Systems 2070 Industrial Place S.E. Canton, OH 44707 ph. 330 489 0095 | fax 330 489 1961 jpatterson@hendrickson-intl.com<mailto:jpatterson@hendrickson-intl.com> www.hendrickson-intl.com [cid:image002.gif@01D9BED8.E6B671B0] The contents of this message may be privileged and confidential. Therefore, if this message has been received in error, please delete it without reading it. Your receipt of this message is not intended to waive any applicable privilege. Please do not disseminate this message without the permission of the author.

T

Tom

Wed, Jul 26, 2023 2:44 PM

Jim,

I would suggest you look at the external data documentation in workbench, there is an external data section in the workbench users guide in the documentation. External data allows you to read in text or ascii files and apply them as loads in a mechanical analysis.

Best Regards,
Tom Caltabellotta
Senior Mechanical Engineer
CACI

Sent from my iPhone

On Jul 25, 2023, at 9:42 AM, Patterson, James jpatterson@hendrickson-intl.com wrote:

Good Morning,

I’m an ANSYS Classic guy but have a project that wants to be in WB, so I’m trying to get it to work as I want. Prepare for a long (but interesting!) story…

I have a large structure where I’m interested in stresses/life at a small detail.
* Eventually I’ll get to a submodel.
The loading I’ll apply to this structure will come from an ADAMS multibody dynamics simulation.
* A full vehicle in various road events.

The workflow I’m trying is…
* Create a course model of the structure in WB.
* Use WB to create a flex body (modal neutral file) for use in ADAMS.

                                          i.     This is done in a “Modal” system in WB.

                                         ii.     Includes meshing and creation of required Remote Points.

*   Import and apply this flex body in my ADAMS model.
*   Make my run and export the loads on the flex body at several times of interest.

                                               i.     This is a really nice feature in ADAMS, as it makes a text file of ANSYS commands.

                                              ii.     It includes “LSWRITE” commands at each time point/loadstep.

                                             iii.     For this test, there are two loadsteps, t=1 and t=5, but it could be more in the future.

                                             iv.     See example file below.

*   Have the modal system above feed a new structural system on the project page.
*   Use a command object in the structural system to read the load file generated by ADAMS.

                                               i.     /input,FELoads,mac,C:\ADAMS_2023\MyTest

                                              ii.     time,1

                                             iii.     lssolve,1,2

This is where the trouble starts.

In the “Analysis Settings” details I specify “Number of steps” as 2.
* I have loads for t=1 and t=5.
When I hit solve, I get results at LS1 and LS5 as expected, but it then creates a repeat of LS5 twice for an LS6 and LS7 (???).

I’ve been trying different combinations of…

Using LSSOLVE or not
Setting TIME or not
Setting Number of Steps or not.

Have not stumbled onto the right combination. Thoughts…???

Thanks,

Jim

Example loads exported from ADAMS…

!
! ******** A N S Y S ********
! ****** LOADS DATA SET FRAGMENT ******
! Load File Created From Adams Analysis
! TO BE MERGED WITH ANSYS INPUT FILE!
! Created: Mon Jul 24 15:36:40 2023
! Number of Load Cases: 2
! Units: Mass = pound_mass
! Length = inch
! Force = pound_force
! Time = sec
! *************************************
!
! Load Point Information (Global Reference Frame):
! Node ID Adams ID X Y Z Marker Label
! -------- -------- ------------ ------------ ------------ ------------
! 1 1 1.50000e+00 0.00000e+00 0.00000e+00 MARKER_1
! 2 3 1.65000e+01 2.50000e-01 0.00000e+00 MARKER_3
!
! Load Point Information (FEA Reference Frame):
! Node ID Adams ID X Y Z Marker Label
! -------- -------- ------------ ------------ ------------ ------------
! 1 1 1.50000e+00 0.00000e+00 0.00000e+00 MARKER_1
! 2 3 1.65000e+01 2.50000e-01 0.00000e+00 MARKER_3
!
!
! LOAD CASE = 1
!
TIME, 1.00000e+00
FDEL, ALL
ACEL,-3.07068e-01, 3.86088e+02, 0.00000e+00
OMEGA, 0.00000e+00, 0.00000e+00, 0.00000e+00
DOMEGA, 0.00000e+00, 0.00000e+00, 0.00000e+00
F, 1, FX,-4.46899e-03
F, 1, FY, 5.61904e+00
F, 1, MZ, 4.21435e+01
LSWRITE
!
! LOAD CASE = 2
!
TIME, 5.00000e+00
FDEL, ALL
ACEL, 1.37511e+01, 3.85845e+02, 1.06758e-04
OMEGA, 0.00000e+00, 0.00000e+00, 0.00000e+00
DOMEGA, 0.00000e+00, 0.00000e+00,-3.45181e-04
F, 1, FX,-3.36153e+00
F, 1, FY,-9.43211e+01
F, 1, MY, 4.03109e-04
F, 1, MZ,-1.45596e+03
F, 2, FX, 3.56166e+00
F, 2, FY, 9.99366e+01
LSWRITE

[cid:image001.png@01D9BED8.E6B671B0]
James J. Patterson, PhD.
Principal Vehicle Systems Engineer
Trailer Commercial Vehicle Systems
2070 Industrial Place S.E. Canton, OH 44707
ph. 330 489 0095 | fax 330 489 1961
jpatterson@hendrickson-intl.com mailto:jpatterson@hendrickson-intl.com
www.hendrickson-intl.com
[cid:image002.gif@01D9BED8.E6B671B0]

The contents of this message may be privileged and confidential. Therefore, if this message has been received in error, please delete it without reading it. Your receipt of this message is not intended to waive any applicable privilege. Please do not disseminate this message without the permission of the author.

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Jim, I would suggest you look at the external data documentation in workbench, there is an external data section in the workbench users guide in the documentation. External data allows you to read in text or ascii files and apply them as loads in a mechanical analysis. Best Regards, Tom Caltabellotta Senior Mechanical Engineer CACI Sent from my iPhone On Jul 25, 2023, at 9:42 AM, Patterson, James <jpatterson@hendrickson-intl.com> wrote: Good Morning, I’m an ANSYS Classic guy but have a project that wants to be in WB, so I’m trying to get it to work as I want. Prepare for a long (but interesting!) story… 1. I have a large structure where I’m interested in stresses/life at a small detail. * Eventually I’ll get to a submodel. 2. The loading I’ll apply to this structure will come from an ADAMS multibody dynamics simulation. * A full vehicle in various road events. 3. The workflow I’m trying is… * Create a course model of the structure in WB. * Use WB to create a flex body (modal neutral file) for use in ADAMS. i. This is done in a “Modal” system in WB. ii. Includes meshing and creation of required Remote Points. * Import and apply this flex body in my ADAMS model. * Make my run and export the loads on the flex body at several times of interest. i. This is a really nice feature in ADAMS, as it makes a text file of ANSYS commands. ii. It includes “LSWRITE” commands at each time point/loadstep. iii. For this test, there are two loadsteps, t=1 and t=5, but it could be more in the future. iv. See example file below. * Have the modal system above feed a new structural system on the project page. * Use a command object in the structural system to read the load file generated by ADAMS. i. /input,FELoads,mac,C:\ADAMS_2023\MyTest ii. time,1 iii. lssolve,1,2 This is where the trouble starts. 1. In the “Analysis Settings” details I specify “Number of steps” as 2. * I have loads for t=1 and t=5. 2. When I hit solve, I get results at LS1 and LS5 as expected, but it then creates a repeat of LS5 twice for an LS6 and LS7 (???). I’ve been trying different combinations of… 1. Using LSSOLVE or not 2. Setting TIME or not 3. Setting Number of Steps or not. Have not stumbled onto the right combination. Thoughts…??? Thanks, Jim Example loads exported from ADAMS… ! ! ******** A N S Y S ******** ! ****** LOADS DATA SET FRAGMENT ****** ! Load File Created From Adams Analysis ! TO BE MERGED WITH ANSYS INPUT FILE! ! Created: Mon Jul 24 15:36:40 2023 ! Number of Load Cases: 2 ! Units: Mass = pound_mass ! Length = inch ! Force = pound_force ! Time = sec ! ************************************* ! ! Load Point Information (Global Reference Frame): ! Node ID Adams ID X Y Z Marker Label ! -------- -------- ------------ ------------ ------------ ------------ ! 1 1 1.50000e+00 0.00000e+00 0.00000e+00 MARKER_1 ! 2 3 1.65000e+01 2.50000e-01 0.00000e+00 MARKER_3 ! ! Load Point Information (FEA Reference Frame): ! Node ID Adams ID X Y Z Marker Label ! -------- -------- ------------ ------------ ------------ ------------ ! 1 1 1.50000e+00 0.00000e+00 0.00000e+00 MARKER_1 ! 2 3 1.65000e+01 2.50000e-01 0.00000e+00 MARKER_3 ! ! ! LOAD CASE = 1 ! TIME, 1.00000e+00 FDEL, ALL ACEL,-3.07068e-01, 3.86088e+02, 0.00000e+00 OMEGA, 0.00000e+00, 0.00000e+00, 0.00000e+00 DOMEGA, 0.00000e+00, 0.00000e+00, 0.00000e+00 F, 1, FX,-4.46899e-03 F, 1, FY, 5.61904e+00 F, 1, MZ, 4.21435e+01 LSWRITE ! ! LOAD CASE = 2 ! TIME, 5.00000e+00 FDEL, ALL ACEL, 1.37511e+01, 3.85845e+02, 1.06758e-04 OMEGA, 0.00000e+00, 0.00000e+00, 0.00000e+00 DOMEGA, 0.00000e+00, 0.00000e+00,-3.45181e-04 F, 1, FX,-3.36153e+00 F, 1, FY,-9.43211e+01 F, 1, MY, 4.03109e-04 F, 1, MZ,-1.45596e+03 F, 2, FX, 3.56166e+00 F, 2, FY, 9.99366e+01 LSWRITE [cid:image001.png@01D9BED8.E6B671B0] James J. Patterson, PhD. Principal Vehicle Systems Engineer Trailer Commercial Vehicle Systems 2070 Industrial Place S.E. Canton, OH 44707 ph. 330 489 0095 | fax 330 489 1961 jpatterson@hendrickson-intl.com<mailto:jpatterson@hendrickson-intl.com> www.hendrickson-intl.com [cid:image002.gif@01D9BED8.E6B671B0] The contents of this message may be privileged and confidential. Therefore, if this message has been received in error, please delete it without reading it. Your receipt of this message is not intended to waive any applicable privilege. Please do not disseminate this message without the permission of the author. _______________________________________________ Xansys mailing list -- xansys-temp@list.xansys.org To unsubscribe send an email to xansys-temp-leave@list.xansys.org If you are receiving too many emails from XANSYS please consider changing account settings to Digest mode which will send a single email per day. Please send administrative requests such as deletion from XANSYS to xansys-mod@tynecomp.co.uk and not to the list

CA

Caba, Aaron C (US)

Wed, Jul 26, 2023 4:18 PM

James,

My guess is after you manually run the solve with 'lssolve', the ds.dat file generated by Mechanical has another 'solve' command tacked on after your command snip. This is where you are getting 2 extra LS6 & LS7. If this is the case, you can just end your snip with the 'fini' command to prevent the 'solve' command from functioning. Other times I've used *abbr,solve,allsel to disable solve.

To find the ds.dat file: right-click on the 'Solution' branch and 'Open Solver Files Directory'

When I've hijacked Mechanical's solve process with command snips I found it necessary to ensure the # of steps and step times defined in Mechanical exactly matched those produced by my command snips. If not, Mechanical can get really confused when displaying results. If you aren't viewing the results in Mechanical you can ignore this requirement.

Aaron C. Caba, Ph.D.
Sr. Principal R&D Engineer
BAE Systems, Inc.
4050 Peppers Ferry Road, Radford VA 24143-0100
www.baesystems.com

-----Original Message-----
From: Patterson, James jpatterson@hendrickson-intl.com
Sent: Tuesday, July 25, 2023 9:42 AM
To: XANSYS Mailing List Home xansys-temp@list.xansys.org
Subject: [Xansys] Using LSSOLVE in WB...

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Good Morning,

I’m an ANSYS Classic guy but have a project that wants to be in WB, so I’m trying to get it to work as I want. Prepare for a long (but interesting!) story…

I have a large structure where I’m interested in stresses/life at a small detail.
* Eventually I’ll get to a submodel.
The loading I’ll apply to this structure will come from an ADAMS multibody dynamics simulation.
* A full vehicle in various road events.

The workflow I’m trying is…
* Create a course model of the structure in WB.
* Use WB to create a flex body (modal neutral file) for use in ADAMS.

                                          i.     This is done in a “Modal” system in WB.

                                         ii.     Includes meshing and creation of required Remote Points.

 *   Import and apply this flex body in my ADAMS model.
 *   Make my run and export the loads on the flex body at several times of interest.

                                                i.     This is a really nice feature in ADAMS, as it makes a text file of ANSYS commands.

                                               ii.     It includes “LSWRITE” commands at each time point/loadstep.

                                              iii.     For this test, there are two loadsteps, t=1 and t=5, but it could be more in the future.

                                              iv.     See example file below.

 *   Have the modal system above feed a new structural system on the project page.
 *   Use a command object in the structural system to read the load file generated by ADAMS.

                                                i.     /input,FELoads,mac,C:\ADAMS_2023\MyTest

                                               ii.     time,1

                                              iii.     lssolve,1,2

This is where the trouble starts.

In the “Analysis Settings” details I specify “Number of steps” as 2.
* I have loads for t=1 and t=5.
When I hit solve, I get results at LS1 and LS5 as expected, but it then creates a repeat of LS5 twice for an LS6 and LS7 (???).

I’ve been trying different combinations of…

Using LSSOLVE or not
Setting TIME or not
Setting Number of Steps or not.

Have not stumbled onto the right combination. Thoughts…???

Thanks,

Jim

Example loads exported from ADAMS…

!
! ******** A N S Y S ********
! ****** LOADS DATA SET FRAGMENT ******
! Load File Created From Adams Analysis
! TO BE MERGED WITH ANSYS INPUT FILE!
! Created: Mon Jul 24 15:36:40 2023
! Number of Load Cases: 2
! Units: Mass = pound_mass
! Length = inch
! Force = pound_force
! Time = sec
! *************************************
!
! Load Point Information (Global Reference Frame):
! Node ID Adams ID X Y Z Marker Label
! -------- -------- ------------ ------------ ------------ ------------
! 1 1 1.50000e+00 0.00000e+00 0.00000e+00 MARKER_1
! 2 3 1.65000e+01 2.50000e-01 0.00000e+00 MARKER_3
!
! Load Point Information (FEA Reference Frame):
! Node ID Adams ID X Y Z Marker Label
! -------- -------- ------------ ------------ ------------ ------------
! 1 1 1.50000e+00 0.00000e+00 0.00000e+00 MARKER_1
! 2 3 1.65000e+01 2.50000e-01 0.00000e+00 MARKER_3
!
!
! LOAD CASE = 1
!
TIME, 1.00000e+00
FDEL, ALL
ACEL,-3.07068e-01, 3.86088e+02, 0.00000e+00 OMEGA, 0.00000e+00, 0.00000e+00, 0.00000e+00 DOMEGA, 0.00000e+00, 0.00000e+00, 0.00000e+00 F, 1, FX,-4.46899e-03 F, 1, FY, 5.61904e+00 F, 1, MZ, 4.21435e+01 LSWRITE !
! LOAD CASE = 2
!
TIME, 5.00000e+00
FDEL, ALL
ACEL, 1.37511e+01, 3.85845e+02, 1.06758e-04 OMEGA, 0.00000e+00, 0.00000e+00, 0.00000e+00 DOMEGA, 0.00000e+00, 0.00000e+00,-3.45181e-04 F, 1, FX,-3.36153e+00 F, 1, FY,-9.43211e+01 F, 1, MY, 4.03109e-04 F, 1, MZ,-1.45596e+03 F, 2, FX, 3.56166e+00 F, 2, FY, 9.99366e+01 LSWRITE

[cid:image001.png@01D9BED8.E6B671B0]
James J. Patterson, PhD.
Principal Vehicle Systems Engineer
Trailer Commercial Vehicle Systems
2070 Industrial Place S.E. Canton, OH 44707
ph. 330 489 0095 | fax 330 489 1961
jpatterson@hendrickson-intl.com mailto:jpatterson@hendrickson-intl.com
www.hendrickson-intl.com
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James, My guess is after you manually run the solve with 'lssolve', the ds.dat file generated by Mechanical has another 'solve' command tacked on after your command snip. This is where you are getting 2 extra LS6 & LS7. If this is the case, you can just end your snip with the 'fini' command to prevent the 'solve' command from functioning. Other times I've used *abbr,solve,allsel to disable solve. To find the ds.dat file: right-click on the 'Solution' branch and 'Open Solver Files Directory' When I've hijacked Mechanical's solve process with command snips I found it necessary to ensure the # of steps and step times defined in Mechanical exactly matched those produced by my command snips. If not, Mechanical can get really confused when displaying results. If you aren't viewing the results in Mechanical you can ignore this requirement. Aaron C. Caba, Ph.D. Sr. Principal R&D Engineer BAE Systems, Inc. 4050 Peppers Ferry Road, Radford VA 24143-0100 www.baesystems.com -----Original Message----- From: Patterson, James <jpatterson@hendrickson-intl.com> Sent: Tuesday, July 25, 2023 9:42 AM To: XANSYS Mailing List Home <xansys-temp@list.xansys.org> Subject: [Xansys] Using LSSOLVE in WB... External Email Alert This email has been sent from an account outside of the BAE Systems network. Please treat the email with caution, especially if you are requested to click on a link, decrypt/open an attachment, or enable macros. For further information on how to spot phishing, access “Cybersecurity OneSpace Page” and report phishing by clicking the button “Report Phishing” on the Outlook toolbar. Good Morning, I’m an ANSYS Classic guy but have a project that wants to be in WB, so I’m trying to get it to work as I want. Prepare for a long (but interesting!) story… 1. I have a large structure where I’m interested in stresses/life at a small detail. * Eventually I’ll get to a submodel. 2. The loading I’ll apply to this structure will come from an ADAMS multibody dynamics simulation. * A full vehicle in various road events. 3. The workflow I’m trying is… * Create a course model of the structure in WB. * Use WB to create a flex body (modal neutral file) for use in ADAMS. i. This is done in a “Modal” system in WB. ii. Includes meshing and creation of required Remote Points. * Import and apply this flex body in my ADAMS model. * Make my run and export the loads on the flex body at several times of interest. i. This is a really nice feature in ADAMS, as it makes a text file of ANSYS commands. ii. It includes “LSWRITE” commands at each time point/loadstep. iii. For this test, there are two loadsteps, t=1 and t=5, but it could be more in the future. iv. See example file below. * Have the modal system above feed a new structural system on the project page. * Use a command object in the structural system to read the load file generated by ADAMS. i. /input,FELoads,mac,C:\ADAMS_2023\MyTest ii. time,1 iii. lssolve,1,2 This is where the trouble starts. 1. In the “Analysis Settings” details I specify “Number of steps” as 2. * I have loads for t=1 and t=5. 2. When I hit solve, I get results at LS1 and LS5 as expected, but it then creates a repeat of LS5 twice for an LS6 and LS7 (???). I’ve been trying different combinations of… 1. Using LSSOLVE or not 2. Setting TIME or not 3. Setting Number of Steps or not. Have not stumbled onto the right combination. Thoughts…??? Thanks, Jim Example loads exported from ADAMS… ! ! ******** A N S Y S ******** ! ****** LOADS DATA SET FRAGMENT ****** ! Load File Created From Adams Analysis ! TO BE MERGED WITH ANSYS INPUT FILE! ! Created: Mon Jul 24 15:36:40 2023 ! Number of Load Cases: 2 ! Units: Mass = pound_mass ! Length = inch ! Force = pound_force ! Time = sec ! ************************************* ! ! Load Point Information (Global Reference Frame): ! Node ID Adams ID X Y Z Marker Label ! -------- -------- ------------ ------------ ------------ ------------ ! 1 1 1.50000e+00 0.00000e+00 0.00000e+00 MARKER_1 ! 2 3 1.65000e+01 2.50000e-01 0.00000e+00 MARKER_3 ! ! Load Point Information (FEA Reference Frame): ! Node ID Adams ID X Y Z Marker Label ! -------- -------- ------------ ------------ ------------ ------------ ! 1 1 1.50000e+00 0.00000e+00 0.00000e+00 MARKER_1 ! 2 3 1.65000e+01 2.50000e-01 0.00000e+00 MARKER_3 ! ! ! LOAD CASE = 1 ! TIME, 1.00000e+00 FDEL, ALL ACEL,-3.07068e-01, 3.86088e+02, 0.00000e+00 OMEGA, 0.00000e+00, 0.00000e+00, 0.00000e+00 DOMEGA, 0.00000e+00, 0.00000e+00, 0.00000e+00 F, 1, FX,-4.46899e-03 F, 1, FY, 5.61904e+00 F, 1, MZ, 4.21435e+01 LSWRITE ! ! LOAD CASE = 2 ! TIME, 5.00000e+00 FDEL, ALL ACEL, 1.37511e+01, 3.85845e+02, 1.06758e-04 OMEGA, 0.00000e+00, 0.00000e+00, 0.00000e+00 DOMEGA, 0.00000e+00, 0.00000e+00,-3.45181e-04 F, 1, FX,-3.36153e+00 F, 1, FY,-9.43211e+01 F, 1, MY, 4.03109e-04 F, 1, MZ,-1.45596e+03 F, 2, FX, 3.56166e+00 F, 2, FY, 9.99366e+01 LSWRITE [cid:image001.png@01D9BED8.E6B671B0] James J. Patterson, PhD. Principal Vehicle Systems Engineer Trailer Commercial Vehicle Systems 2070 Industrial Place S.E. Canton, OH 44707 ph. 330 489 0095 | fax 330 489 1961 jpatterson@hendrickson-intl.com<mailto:jpatterson@hendrickson-intl.com> www.hendrickson-intl.com [cid:image002.gif@01D9BED8.E6B671B0] The contents of this message may be privileged and confidential. Therefore, if this message has been received in error, please delete it without reading it. Your receipt of this message is not intended to waive any applicable privilege. Please do not disseminate this message without the permission of the author.