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  • Users: plantguyjj
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  1. plantguyjj

    horizontal vessels on saddles

    Tom, Is thermal expansion/contraction of the vessel shell between two fixed saddles considered in any of the load cases - or is one end always assumed to float? Is it possible to turn off the friction coeficient to model both saddles as fixed/anchored? thanks
  2. plantguyjj

    Compress and UG-45(b)(1)

    Tom, When performing UG-45(b)(1), why does the program sometimes use the Appendix 1-1 formula for tr and other times the UG-27(c)(1) formula is applied?
  3. plantguyjj

    dumb question on nozzle output report

    What exactly is the dimension referenced by the following output in the nozzle report? Projection available outside vessel, Lpr: The dimension that I'm getting in this output is not the distance from the outside vessel surface to the nozzle flange face,and yes I've backed out the dimension for...
  4. plantguyjj

    Flange Rigidity Index - Appendix S

    Is it possible to turn off the flange rigidity index calculation when designing an Appendix 2 flange?
  5. plantguyjj

    Interference between stiffener rings and saddles

    Can someone please offer guidance on the installation of external stiffening rings that would intersect with either nozzles or support saddles? Section UG (VIII-1) states that the rings shall extend completely around the circumference of the cylinder. But, as long as the required moment of...
  6. plantguyjj

    nozzle neck thickness output

    Tom, Can you please comment on the methodology behind the output for the nozzle neck thickness calcs? Ignore external pressure and area reinforcement calcs and just consider a small bore nozzle subject to internal pressure (in rating mode). It looks like to me that Compress is using the...
  7. plantguyjj

    external loads combined with wind

    When external lateral loads are applied to a tall tower in combination with wind loading, does the software take into consideration the worst load case of wind acting in the same plane/direction as the external lateral load?
  8. plantguyjj

    vacuum rating and stiffener rings

    Can someone please explain why the results for a stiffener ring give a different external pressure than the MAEP allowed for the cylindrical shell that it is attached to? I am modelling different scenarious for a standard cylindrical shell with stiffener rings. For some courses of the shell...

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