Abstract
Any defect in a cylindrical pressure vessel may conservatively be inscribed within a rectangular slot. Plastic collapse pressures for the cylindrical vessels with part-through rectangular slots are computed employing elastic-plastic finite element analysis. The results are represented for a wide range of dimensions of the vessels and slots using appropriate non-dimensional parameters, as well as being compared with the limited data available in the literature. In the limit when the width or length of the slot approaches zero, the part-through slot approximates a part-through longitudinal or circumferential crack, respectively. Therefore, the results of the present work may conservatively be used as part of assessing the integrity of cracked, eroded or corroded cylindrical vessels, tubes, and pipes.
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