Is My Approach to Calculating Weld Stress Correct?

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SUMMARY

The discussion centers on the calculation of weld stress in a pressure vessel, specifically regarding a cylindrical plug welded into a wall. The initial inquiry seeks validation of the approach taken to determine the stress on the welds. Feedback confirms that the calculation of stress in the weld appears correct, providing reassurance to the inquirer about their methodology.

PREREQUISITES
  • Understanding of weld stress analysis
  • Familiarity with pressure vessel design principles
  • Knowledge of materials science related to welding
  • Proficiency in engineering drawing interpretation
NEXT STEPS
  • Research "Weld stress calculation methods" for deeper insights
  • Study "Pressure vessel design codes" such as ASME BPVC
  • Explore "Finite Element Analysis (FEA) for welds" to enhance accuracy
  • Learn about "Material properties affecting weld integrity" for better assessments
USEFUL FOR

Mechanical engineers, students in engineering disciplines, and professionals involved in pressure vessel design and welding analysis will benefit from this discussion.

delsloww88
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I need someone to tell me if I am approaching this in the right way. In my diagram I tried to show a section view of a wall of a pressure vessel with a cylindrical plug welded into a hole in that wall. I am trying find the stress on the welds in question. This is a small part of a larger project I am working on for school, I am just trying to figure out if my approach is right. See my attempt below. Thank you.
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delsloww88 said:
I need someone to tell me if I am approaching this in the right way. In my diagram I tried to show a section view of a wall of a pressure vessel with a cylindrical plug welded into a hole in that wall. I am trying find the stress on the welds in question. This is a small part of a larger project I am working on for school, I am just trying to figure out if my approach is right. See my attempt below. Thank you.
View attachment 83388
Your calculation of the stress in the weld looks OK.
 
Thanks
 

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