![Certain Joint Configurations for the Attachment of Welded Unstayed Flat Heads](https://i0.wp.com/keydesigneng.com/wp-content/uploads/2018/10/FEA-joint-heads.jpg?resize=348%2C326&ssl=1)
Finite Element Analysis (FEA) is used to investigate reasons why ASME VIII-1, FIG.UW-13.2, does not permit certain joint configurations for the attachment of welded unstayed flat heads:
- Joint Orientation: The eccentrically attached weld allows the joint to open under pressure.
- Fatigue Life: The peak stress created at the weld root limits the fatigue life.
- Weld size: The weld size is insufficient to satisfy the Code’s geometric requirements
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