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Subject: Re: corrupt database
Author: Dan Bohlen
Date: 2008-10-15 20:53:40


Ted,

Oh, you mentioned using anf format so I figured you knew about that
undocumented command.

Just type ANFWRIT and Ansys will dump out a .anf file. Clear the db and
read back it back in and see it if filters out some of the garbage.

I feel your pain. I have struggled through models with flaky db before.
Sometimes I dump it and start from scratch too :-(.

Dan

-----Original Message-----
From: xansys-bounces_at_xansys.org [mailto:xansys-bounces_at_xansys.org] On
Behalf Of Ted Janzen
Sent: Wednesday, October 15, 2008 4:46 PM
To: ANSYS User Discussion List
Subject: Re: [Xansys] corrupt database

Hi Dan,

I'm not familiar with the ANFWRIT command, and it doesn't show up in my
Ansys help, although it's been a long day of debugging the model, so I
may have missed it.

Ted Janzen
Janzen Engineering
Winnipeg, MB

ph: 204-284-5817





Bohlen, Dan (GE Infra, Aviation, US) wrote:
>
>
> -----Original Message-----
> From: xansys-bounces_at_xansys.org [mailto:xansys-bounces_at_xansys.org] On
> Behalf Of Bohlen, Dan (GE Infra, Aviation, US)
> Sent: Wednesday, October 15, 2008 4:33 PM
> To: ANSYS User Discussion List
> Subject: Re: [Xansys] corrupt database
>
>
> Yeah, IGES import is NOT the most reliable.
>
> Have you tried to ANFWRIT and read in the combined geometry to
> exorcise the demons?
>
> Just brain drizzling here: read it into UG or something, clean it up,

> and bring it back into Ansys. Or do the same in WORKBENCH?
>
> Good Luck,
>
> Dan Bohlen
> GE Aircraft Engines
> 1 Neumann Way, Evendale, OH
> M/D E22 513-243-4645
> Dial Comm 8-332-4645
>
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> -----Original Message-----
> From: xansys-bounces_at_xansys.org [mailto:xansys-bounces_at_xansys.org] On
> Behalf Of Ted Janzen
> Sent: Wednesday, October 15, 2008 1:35 PM
> To: ANSYS User Discussion List
> Subject: Re: [Xansys] corrupt database
>
> The existing model is a V11 model. I forgot to mention earlier, that
> the geometry in question was created by combining 2 existing FEA
> models by importing a .cdb file. I used the 'anf' option, and let
> Ansys automatically offset the input values, as well as trying to
> manually offset the values prior to importing.
>
> The problem is that the error doesn't occur consistently. I worked on
> the model for a few days until I got the first error message, but was
> still able to create areas in other parts of the model. I've deleted
> & recreated the lines which originally were causing the problem, only
> to have the same error occur in another portion of the model.
>
>
> Ted Janzen
> Janzen Engineering
> Winnipeg, MB
>
> ph: 204-284-5817
>
>
>
>
>
>
>
>
>
>
> Altidis, Paraschos C. wrote:
>
>> Ted,
>> I've seen this error everytime the IGES part of the CDB is
>> (re)imported and corrupts the underlying geometry.
>> One other - remote - possibility is the lines and the kps not being
>> in
>>
>
>
>> the same plane and the resulting area to be warped.
>>
>> What ansys version was used to create the existing model ?? If it is
>> an older version and you have it available try to resume in that
>> version and create the same entities. Are you still getting the same
>>
> error ?
>
>> Regards,
>> Paris Altidis
>> BELCAN Engineering Group
>> Adv. Engineering & Technology Division
>> 630-786-0008
>> ==============================
>> The human bio neural net excels because of:
>> -Planning ; -Perseverance ; -Passion ; -Pictures!
>> Alex. H. Slocum - MIT
>> -It is the privilege of knowledge to speak and it is the privilege of

>> wisdom to listen.
>> Oliver Wendell Holmes
>>
>>
>>
>>
>> -----Original Message-----
>> From: xansys-bounces_at_xansys.org [mailto:xansys-bounces_at_xansys.org] On

>> Behalf Of Ted Janzen
>> Sent: Wednesday, October 15, 2008 11:23 AM
>> To: ANSYS User Discussion List
>> Subject: [Xansys] corrupt database
>>
>> Hi Ansys users.
>>
>> I'm receiving a strange error message for which I can't seem to find
>> any info on in the Ansys help file. I'm trying to simply create a new

>> area in an existing FEA model, and I get the error message 'lines
>> cross each other'. I've tried to create the area via lines &
>> keypoints. There are
>> 4 lines which simply create a 'box'. I've tried to create the area
>> with all 4 lines, or the 4 keypoints, but all result in the same
>>
> error.
>
>> I tried to archive out the model, and re-import, but the error
>>
> persists.
>
>> The Ansys ASD suspects it's a corrupt database. Is there any way to
>> find the corrupt portion within the .cdb file, or any other way to
>> diagnose the problem?
>>
>> I'm using Ansys version 11 sp1, on Windows x64.
>>
>> thanks,
>>
>> Ted Janzen
>> Janzen Engineering
>> Winnipeg, MB
>>
>>
>> --
>> Ted Janzen, P.Eng.
>> Janzen Engineering
>>
>> Tel: 204 284 5817
>> Fax: 204 453 5225
>> Email: tjanzen_at_mts.net
>>
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>
>
> --
> Ted Janzen, P.Eng.
> Janzen Engineering
>
> Tel: 204 284 5817
> Fax: 204 453 5225
> Email: tjanzen_at_mts.net
>
> ^----------------------------------------------------
> | XANSYS web - www.xansys.org |
> | XANSYS blog - xansys.blogspot.com |
> | The Online Community for users |
> | of ANSYS, Inc. Software |
> | Hosted by PADT - www.padtinc.com |
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> | The Online Community for users |
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> | XANSYS web - www.xansys.org |
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--
Ted Janzen, P.Eng.
Janzen Engineering

Tel: 204 284 5817
Fax: 204 453 5225
Email: tjanzen_at_mts.net

^----------------------------------------------------
| XANSYS web - www.xansys.org |
| XANSYS blog - xansys.blogspot.com |
| The Online Community for users |
| of ANSYS, Inc. Software |
| Hosted by PADT - www.padtinc.com |
^----------------------------------------------------
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95480Re: corrupt databaseDan Bohlen2008/10/15 
95482Re: corrupt databaseTed Janzen 2008/10/15 
95483Re: corrupt databaseTed Janzen 2008/10/15 
95484Re: corrupt databaseKrishna Raichur 2008/10/15 
95494Re: corrupt databaseDan Bohlen2008/10/165