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#72813 - 02/08/19 09:26 AM isogen: lost dimensions at rigids elements?
Lido (TCS) Offline
Member

Registered: 03/23/05
Posts: 51
Loc: livorno - italy
this issue seems a new problem (I realized it because a customer pointed it out to me): many missing dimention values in the iso drawings in case of rigid elements.
i try in CaesarII 2018 10.00.02.0400 build 180918.

someone can help me with this problem?
is it a bug of the software?

in attach a test file.
in the image, what the software gives me in case of default isogen settings (but i test it with other isogen settings, same issue)



Attachments
isogen problems.png

TEST.C2 (324 downloads)



Edited by Lido (TCS) (02/08/19 09:40 AM)
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#72830 - 02/11/19 11:31 AM Re: isogen: lost dimensions at rigids elements? [Re: Lido (TCS)]
Vannella Offline
Member

Registered: 10/24/10
Posts: 39
Loc: IT
I had the same result by using the default isogen settings.
I made a little try by setting I-configure and I managed to get just a little bettere result(see the attached file).

Corrado Vannella
www.vannella.com


Attachments
Cattura.JPG



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#72840 - 02/15/19 08:32 AM Re: isogen: lost dimensions at rigids elements? [Re: Vannella]
Lido (TCS) Offline
Member

Registered: 03/23/05
Posts: 51
Loc: livorno - italy
thank you Corrado
I see the attached image, that, I think, confirm problems in isogen (little rigids/flanges seem to be skipped, angle valve/psv seems to be wrongly measured).

Hoping someone (or Intergraph) has a final solution...


Edited by Lido (TCS) (02/15/19 08:35 AM)
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#72841 - 02/15/19 02:41 PM Re: isogen: lost dimensions at rigids elements? [Re: Lido (TCS)]
Dave Diehl Offline
Member

Registered: 12/14/99
Posts: 2382
Loc: Houston, TX, USA
Lido,

When CAESAR II provides the PCF, click Edit PCF. Replace all occurrences of FLBL with FLWN , and replace all occurrances of VVBW with VVFL.

This should get you what you want. Those blank flanges will appear as weld neck flanges and the flanges on the valves (now flanged valves as opposed to the original welded valves) will be properly oriented.

I believe you will find this to be the default settings in the next version of CAESAR II (2019 - in beta testing now).
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#72842 - 02/16/19 02:41 AM Re: isogen: lost dimensions at rigids elements? [Re: Lido (TCS)]
danb Offline
Member

Registered: 04/22/05
Posts: 1453
Loc: ...
Eight years ago I was asking this to be implemented. Good to have finally.
I guess next thing to do is to associate a small database with the tees / bends correct dimensions.
Thank you
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#72844 - 02/18/19 03:20 AM Re: isogen: lost dimensions at rigids elements? [Re: Dave Diehl]
Lido (TCS) Offline
Member

Registered: 03/23/05
Posts: 51
Loc: livorno - italy
really, thank you vm.
the proposed temperary patch solve 90% of the problems of rigids dimentions.

the only remaining issue seems not solved about angle valve (psv), where the vertical and horizontal pieces seems to be splitted in two parts also in pcf (in the example vertical 135-->12+123 and horizontal 123-->12+111, i don't know from where 12mm is coming ... ).

then... hoping complete solution for CII2019


Attachments
problem on angle valve.png




Edited by Lido (TCS) (02/18/19 03:21 AM)
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Lido
TCS Eng.

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#76050 - 12/01/21 10:13 AM Re: isogen: lost dimensions at rigids elements? [Re: Lido (TCS)]
Lido (TCS) Offline
Member

Registered: 03/23/05
Posts: 51
Loc: livorno - italy
unfortunately the problem seems not to be solved, neither in 2019 nor in the latest v12.
I need to work manually in pcf also now, dec 2021...

the problem, I think, is that the information about type of rigid element defined in the CaesarII input interface is not passed to/readed from C2isogen! than, C2Isogen includes wrong VALVE/FLANGE element tags and FLWN, FLSO, FFBL, VVFL, VVBW skeys in the .PCF file.

please, someone has found a patch?


Edited by Lido (TCS) (12/01/21 10:19 AM)
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Lido
TCS Eng.

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#76051 - 12/01/21 12:11 PM Re: isogen: lost dimensions at rigids elements? [Re: Lido (TCS)]
danb Offline
Member

Registered: 04/22/05
Posts: 1453
Loc: ...
I like when Coade actually get my advices (example: replace FLBL with FLWN , and replace all occurrences of VVBW with VVFL) and implemented.
Good to know that actually they have done this automatically in the newer versions. smile
I also was the only one to point out that hot sustain theory is wrong because of the friction and that appendix P use still require the SUS evaluation.
I am glad to know I am a great contributor to Caesar II success.
Regards,



Edited by danb (12/01/21 12:23 PM)
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