Strengthening calculation for large openings on the head
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May I ask, how is the calculation carried out using the analytical design method for large openings on the head of a pressure vessel? In GB150, the range is “cylinder”; in SW, the calculations related to it are shown in gray and cannot be selected. What’s going on?
The equal-area method specified in GB150 allows a maximum diameter Di/2 for openings in convex end caps, which is generally sufficient...
The client wants to use analytical design methods to verify the large openings on the head – what are your suggestions?
I haven’t calculated it; I just checked JB4732...
The analysis method is not applicable to head openings. If it is an oval head with a large opening, it is recommended to switch to a conical section design
The GB150 analysis method cannot be used for openings in heads; if analysis is required for such openings, JB4732 must be employed for localized analysis and calculation.
I’ve learned from it; it is recommended to use the approach from floor 5. We have a design that does the same thing.
Local stress analysis does not require any special qualifications; it is sufficient to use the allowable stress values specified in GB/T150 for evaluation
Which chapter in 4732 can be used for calculation?