Stress analysis method for cylindrical shells with openings under internal pressure and external loads – How to calculate when the opening ratio ρ < 0.1

2020-09-26View Original

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The technical document CSCBPV-TD001-2013, \"Method for Stress Analysis of Cylindrical Shells with Holes under Internal Pressure and External Loads,\" specifies that the applicable range is: hole ratio ρ ≤ 0.9. However, when the porosity ρ < 0.1, no corresponding dimensionless stress curve can be found in the document. When using SW6-4.0 for calculations, it also alerts that the opening ratio ρ is out of limit, preventing calculation. I would like to ask the teachers: is this analysis method only applicable when the porosity ranges from 0.1 to 0.9? If it applies to ρ＜0.1, how should the correlation coefficient be determined? Thank you! :)

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Stress analysis method for cylindrical shells with openings under internal pressure and external loads – How to calculate when the opening ratio ρ < 0.1

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