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Internal head location in Compress

Internal head location in Compress

Internal head location in Compress

(OP)
Is there a way to place an internal head anywhere other than at the end of a shell section? I need to place an internal head about halfway in the shell course but cannot find anywhere to specify a distance from datum. Is it possible at all?

RE: Internal head location in Compress

I would like the answer to this question also..

RE: Internal head location in Compress

Make two (2) shell sections

one for the top
the internal head
one for the bottom

RE: Internal head location in Compress

I would have answered sooner as vesselfab above but I thought it was a trick question. ;)

 

RE: Internal head location in Compress

No trick question. I guess I'm not getting it. I want to know if there is a way to insert an intermediate head per UW-13.1(e) without getting lots of deficiencies. that may not be what sixeightnick is asking.

RE: Internal head location in Compress

OK  LET'S TALK

compress  sees a long shell section as one design element.

an internal head is normally...for compress to care about it...is a pressure component that separates two pressure chambers.

the top shell...above the head is one shell section for one pressure chamber.

the lower shell....below the head is another pressure chamber.

each pressure chamber should have it's own shell so you can assign different pressure/temperature requirements to either or both of them.

this way the program can assign internal pressure and external pressure, two corrosion allowances etc.

is that any better

RE: Internal head location in Compress

vesselfab, Thank you for the perfect explanation. I have been out of the loop for a couple weeks and haven't been following this forum.

You point out the obvious fact (that I had never thought about before) that because the pressure and temperature conditions in the two chambers may be different, it is then necessary to model two separate cylindrical shell courses to represent the two different chambers.
 

   "Although this forum is monitored by Codeware it is not intended as a venue for technical support and should not be used as the primary means of technical support."

  Tom Barsh
  Codeware Technical Support
  www.codeware.com
   

RE: Internal head location in Compress

got it, thank you vesselfab, I'm on a learning curve here..

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