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ASME Section VIII, Division 1 Stress and Buckling Analysis on a Decanter

A stress and buckling analysis was performed on a decanter, which is used to transfer microscopic materials from one vessel to another. The buckling analysis was performed in accordance with Section VIII, Division 1 of the ASME Boiler and Pressure Vessel Code. The stress analysis was performed using ANSYS finite element software, using ten-node structural tetrahedral solid (Solid 187) elements. For other features, such as the bolts, two-node beam elements were modelled. The model had approximately 99,000 nodes and 53,000 elements. Various loading conditions (bolt preload, deadweight, and vacuum pressure) were used to verify the structural integrity of the vessel.

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