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  1. Raul Villalba

    Mistake Identified in ASME BPVC.VIII.1-2023 Appendix 41 Example

    Hello Engineers! I've noticed a mistake in ASME BPVC.VIII.1-2023 Appendix 41 that might cause confusion affecting results in Example 41-10 Step 2 (h/p calculation) and subsequently impacting: Step 2: Correct h/p is 1.62/0.98425 = 1.6459 psi, but due to the error, it's 1.519. Step 11: Correct...
  2. Raul Villalba

    Fillet weld fatigue assessment acc. to VIII-2 5.5.5

    Hello, I have some doubts about weld modelling and stress evaluation for weld fatigue assessment of a non-symmetric loaded fillet weld acc. to ASME BPVC.VIII.2-2021 5.5.5. I have created a sub-model (weld included) meshed with solid elements. I have used a stress classification line (SCL)...
  3. Raul Villalba

    ASME VIII-2 Part 5 - Use of bilinear material models for plastic verifications

    Dear All I am assessing a component following ASME VIII-2 Part 5. I have a region (rounded well meshed corner) with high stress concentrations leading to localized plastification. Material model of each verification: - Plastic collapse: limit load 5.2.3 elastic perfectly plastic bilinear...
  4. Raul Villalba

    ASME VIII-1 Appendix-46 Materials

    Dear All I am assessing a component following ASME VIII-2 Part 5 according to ASME VIII-1 Appendix 46 as it can not be verified with design by rule procedures of ASME VIII-1. For this component, do I need to consider only the allowed materials in ASME VIII-2 or can I use other allowed...

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