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[Xansys] Importing a parasolid file into ansys apdl
 
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santosh.kadikuntla
User


Joined: 31 Jul 2015
Posts: 2

PostPosted: Sun Aug 02, 2015 2:02 pm  Reply with quote

Hello All,

I imported a parasolid file from solidworks into ANSYS.I also scaled it
into inches but I don't know why all the dimensions have not been scaled
accordingly.Can anyone throw some light into this?


Thanks and Regards,
Santosh Kumar Kadikuntla
Clemson University
Graduate Student
Mechanical Engineering Department.
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bogdan.balasa
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Joined: 21 Oct 2008
Posts: 38

PostPosted: Mon Aug 03, 2015 2:50 pm  Reply with quote

Santoshkumar,

I have seen cases where Parasolid imports with dimensions in Meters. Now depending on your model characteristics converting Meters to Inches in MAPDL might be trivial or not. If you have only solids, it is easy. If you have a mixture of Solids, separate surfaces, lines and / or Keypoints, it is a bit more involved.
I have not seen this problem with STEP files though/

Sincerely.

Bogdan Balasa | Director, Analysis Technologies, IHM | Tata Technologies | 555 East Broadway, Suite 300, Salt Lake City, UT 84102 | T: 801.994.9108 | C: 801.358.0499 | Email: bogdan.balasa@tatatechnologies.com | Web: www.tatatechnologies.com

-----Original Message-----
From: Xansys [mailto:xansys-bounces@xansys.org] On Behalf Of David Stevens
Sent: Monday, August 03, 2015 8:26 AM
To: xansys@xansys.org
Subject: [Xansys] Importing a parasolid file into ansys apdl

Santoshkumar,
Remember, APDL does not care about units. I.E. your units must be consistent throughout any analysis. It sounds like you may have a conversion issue outside of ANSYS.

David Stevens
Peregrine Turbine Technologies, LLC
96 Chewonki Neck Rd |  Wiscasset, ME  04578 dstevens@peregrineturbine.com  |  www.peregrineturbine.com

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Today's Topics:

1. Importing a parasolid file into ansys apdl
(Santoshkumar Kadikuntla)


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Message: 1
Date: Sun, 2 Aug 2015 10:03:04 -0400
From: Santoshkumar Kadikuntla <skadiku@g.clemson.edu>
To: xansys@xansys.org
Subject: [Xansys] Importing a parasolid file into ansys apdl
Message-ID:
<CADf9b4ea1njSHCUd6Uo3+0f+1dyGPn6dSvr9NA46MdPuJYcUpg@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8

Hello All,

I imported a parasolid file from solidworks into ANSYS.I also scaled it into inches but I don't know why all the dimensions have not been scaled accordingly.Can anyone throw some light into this?


Thanks and Regards,
Santosh Kumar Kadikuntla
Clemson University
Graduate Student
Mechanical Engineering Department.


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kaushik.mukherjee
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Joined: 10 Dec 2013
Posts: 15
Location: India

PostPosted: Mon Aug 03, 2015 5:05 pm  Reply with quote

Dear Santosh Kumar Kadikuntla,

Although in APDL your model might not be scaled properly due to some issues, you can always fix it. Find the co-ordinate of two known nodes (representing two known points in your model), calculate the distance between them in the FE Mesh and compare this with the one in your real model. You will find out the proper scale factor. After this apply this new scale factor to scale your FE model up or down in order to represent the required model you built in SolidWorks. I think, this will remove any scaling issues which might be associated with the conversion.

With Regards,
Kaushik Mukherjee


--------------------------------------------------
Kaushik Mukherjee
Research Fellow
Department of Mechanical Engineering
Indian Institute of Technology Kharagpur
Kharagpur - 721302
India
--------------------------------------------------


----- Original Message -----
From: "Santoshkumar Kadikuntla" <skadiku@g.clemson.edu>
To: xansys@xansys.org
Sent: Sunday, August 2, 2015 7:33:04 PM
Subject: [Xansys] Importing a parasolid file into ansys apdl

Hello All,

I imported a parasolid file from solidworks into ANSYS.I also scaled it
into inches but I don't know why all the dimensions have not been scaled
accordingly.Can anyone throw some light into this?


Thanks and Regards,
Santosh Kumar Kadikuntla
Clemson University
Graduate Student
Mechanical Engineering Department.
+-------------------------------------------------------------+
| XANSYS web - www.xansys.org/forum |
| The Online Community for users of ANSYS, Inc. Software |
| Hosted by PADT - www.padtinc.com |
| Send administrative requests to xansys-mod@tynecomp.co.uk |
+-------------------------------------------------------------+
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| Send administrative requests to xansys-mod@tynecomp.co.uk |
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santosh.kadikuntla
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Joined: 31 Jul 2015
Posts: 2

PostPosted: Mon Aug 03, 2015 8:52 pm  Reply with quote

I figured when parasolid files are imported into Ansys their default units
are in 'meters'.So I scaled with a factor of 39.3701 to convert the
geometry into inches.Although few dimensions have been scaled appropriately
but few of them are not.I'm not able to figure out why?

Thanks and Regards,
Santosh Kumar Kadikuntla
C99163198
Graduate Student
Mechanical Engineering Department.


On Mon, Aug 3, 2015 at 10:59 AM, Levine, Danny <
Danny.Levine@zimmerbiomet.com> wrote:

Quote:
When you say "not been scaled accordingly" do you mean that it was scaled
but by the wrong amount? What scale factor did you use?

Danny L. Levine, Ph.D., P.E.
Principal Engineer
Zimmer Biomet

http://www.zimmerbiomet.com/
(574)372-4669 - Office
(574)298-4799 - Cell



-----Original Message-----
From: Xansys [mailto:xansys-bounces@xansys.org] On Behalf Of Santoshkumar
Kadikuntla
Sent: Sunday, August 02, 2015 10:03 AM
To: xansys@xansys.org
Subject: [Xansys] Importing a parasolid file into ansys apdl

Hello All,

I imported a parasolid file from solidworks into ANSYS.I also scaled it
into inches but I don't know why all the dimensions have not been scaled
accordingly.Can anyone throw some light into this?


Thanks and Regards,
Santosh Kumar Kadikuntla
Clemson University
Graduate Student
Mechanical Engineering Department.
+-------------------------------------------------------------+
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| The Online Community for users of ANSYS, Inc. Software |
| Hosted by PADT - www.padtinc.com |
| Send administrative requests to xansys-mod@tynecomp.co.uk |
+-------------------------------------------------------------+
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| Hosted by PADT - www.padtinc.com |
| Send administrative requests to xansys-mod@tynecomp.co.uk |
+-------------------------------------------------------------+

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keith.gallagher
User


Joined: 04 Aug 2014
Posts: 55
Location: Evendale, Ohio

PostPosted: Mon Aug 03, 2015 9:36 pm  Reply with quote

Use 39.3700787402 if you want more accuracy.

Keith Gallagher
GE Aviation



-----Original Message-----
From: Xansys [mailto:xansys-bounces@xansys.org] On Behalf Of Santoshkumar Kadikuntla
Sent: Monday, August 03, 2015 4:53 PM
To: ANSYS User Discussion List
Subject: Re: [Xansys] Importing a parasolid file into ansys apdl

I figured when parasolid files are imported into Ansys their default units
are in 'meters'.So I scaled with a factor of 39.3701 to convert the
geometry into inches.Although few dimensions have been scaled appropriately
but few of them are not.I'm not able to figure out why?

Thanks and Regards,
Santosh Kumar Kadikuntla
C99163198
Graduate Student
Mechanical Engineering Department.


On Mon, Aug 3, 2015 at 10:59 AM, Levine, Danny <
Danny.Levine@zimmerbiomet.com> wrote:

Quote:
When you say "not been scaled accordingly" do you mean that it was scaled
but by the wrong amount? What scale factor did you use?

Danny L. Levine, Ph.D., P.E.
Principal Engineer
Zimmer Biomet

http://www.zimmerbiomet.com/
(574)372-4669 - Office
(574)298-4799 - Cell



-----Original Message-----
From: Xansys [mailto:xansys-bounces@xansys.org] On Behalf Of Santoshkumar
Kadikuntla
Sent: Sunday, August 02, 2015 10:03 AM
To: xansys@xansys.org
Subject: [Xansys] Importing a parasolid file into ansys apdl

Hello All,

I imported a parasolid file from solidworks into ANSYS.I also scaled it
into inches but I don't know why all the dimensions have not been scaled
accordingly.Can anyone throw some light into this?


Thanks and Regards,
Santosh Kumar Kadikuntla
Clemson University
Graduate Student
Mechanical Engineering Department.
+-------------------------------------------------------------+
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| The Online Community for users of ANSYS, Inc. Software |
| Hosted by PADT - www.padtinc.com |
| Send administrative requests to xansys-mod@tynecomp.co.uk |
+-------------------------------------------------------------+
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james.johnson
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Joined: 27 Apr 2012
Posts: 48

PostPosted: Tue Aug 04, 2015 10:52 am  Reply with quote

Scaling by 1000/25.4 is exactly correct to whatever number of significant
digits Ansys Classic uses internally. You can type the expression
"1000/25.4" directly into the Ansys GUI or a macro file and Ansys will do
the division for you. It is easier to remember for me than 39.37....etc.

James Johnson
Parker Hannifin Corporation

"Xansys" <xansys-bounces@xansys.org> wrote on 08/03/2015 05:36:17 PM:

Quote:
From: "Gallagher, Keith (GE Aviation, US)" <Keith.Gallagher@ge.com>
To: ANSYS User Discussion List <xansys@xansys.org>
Date: 08/03/2015 05:37 PM
Subject: Re: [Xansys] Importing a parasolid file into ansys apdl
Sent by: "Xansys" <xansys-bounces@xansys.org>

Use 39.3700787402 if you want more accuracy.

Keith Gallagher
GE Aviation



-----Original Message-----
From: Xansys [mailto:xansys-bounces@xansys.org] On Behalf Of
Santoshkumar Kadikuntla
Sent: Monday, August 03, 2015 4:53 PM
To: ANSYS User Discussion List
Subject: Re: [Xansys] Importing a parasolid file into ansys apdl

I figured when parasolid files are imported into Ansys their default
units
Quote:
are in 'meters'.So I scaled with a factor of 39.3701 to convert the
geometry into inches.Although few dimensions have been scaled
appropriately
Quote:
but few of them are not.I'm not able to figure out why?

Thanks and Regards,
Santosh Kumar Kadikuntla
C99163198
Graduate Student
Mechanical Engineering Department.



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| The Online Community for users of ANSYS, Inc. Software |
| Hosted by PADT - www.padtinc.com |
| Send administrative requests to xansys-mod@tynecomp.co.uk |
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