How is such an opening reinforcement calculated?
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I would like to ask the experts: how is the reinforcement for openings on such end caps calculated?
It cannot be calculated using conventional methods; local stress analysis can be employed.
There are many standard guidelines for reinforcing openings; these can generally be found in American standards, while such guidelines are not yet available in Chinese standards. Reinforcement calculations essentially involve checking the structure and dimensions to ensure that they fall within the specified standard values. I have only seen calculations related to the reinforcement of water pump casings (based on French nuclear power standards RCC-M); you can use those as a reference, or search for papers on \"pump casing reinforcement\" for additional information
I’ve never seen this type of opening method before; it’s definitely not feasible under GB150 standards. Even in ASME VIII-1 and VIII-II, I haven’t come across a structure like this. One can only try to use local stress analysis in accordance with Appendix E of GB150.1.