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ASME BPVC | Ansys Mechanical

Adhering to ASME Boiler & Pressure Vessel Code (BPVC) regulation is crucial for engineers in the industry.  Learn the settings in Ansys Mechanical Workbench to ensure compliance.

Using Ansys Workbench for ASME BPVC Stress Linearization Compatibility

Stress linearization is a technique used to decompose a through-thickness elastic stress field into equivalent membrane, bending, and peak stresses for comparison with appropriate allowable limits.  Adhering to ASME Boiler & Pressure Vessel Code (BPVC) regulation is crucial for engineers in the industry.

  • Membrane stress is the average stress through the thickness (P/A)
  • Bending stress is the linearly varying stress through the thickness (Mc/I)
  • Peak stress is the total stress minus the membrane plus bending stress

Stress linearization was developed in the pressure vessel industry by Kroenke and Gordon in the 1970s. It was first implemented in Section III (nuclear vessels) and Section VIII, Division 2 (commercial vessels) of the ASME Boiler and Pressure Code. Although widely used in industry thereafter, specific guidance was not included in ASME Boiler & Pressure Vessel Code (BPVC) Section VIII Div. 2 until 2007.

While Ansys Workbench can be used to validate designs, care must be taken in how the stresses and their locations are handled.

To learn about this topic, view our free, one-hour webinar recording that discusses stress linearization and how to use Ansys Workbench to model and validate your designs compatible with ASME BPVC.

Note that you cannot use Internet Explorer (IE) browser to view webinar recordings.

Besides the webinar recording, there is a helpful ACT (Ansys Customization Toolkit) app – Pressure Vessels Automatic Path Creation – available on the Ansys ACT Store.

Lastly, SimuTech Group has several engineers who are well-versed in ASME BPVC. If you are having issues in this area, please contact us to discuss how we can help.

The ASME Boiler & Pressure Vessel Code (BPVC) is an American Society of Mechanical Engineers (ASME) standard that regulates the design and construction of engineering projects across the country

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