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In this video tutorial, we provide a detailed, step-by-step guide to simulating an elliptical crack in a pressure vessel subjected to both internal and external pressures using ABAQUS software. While the internal pressure remains constant, the external pressure varies over time and location. To compute the external pressure, we employ the DLOAD subroutine, which is defined as a function of time and spatial coordinates.

The primary objective of this tutorial is to determine the J Integral at the crack tip. Additionally, to enhance the performance of the finite element analysis near the crack, we utilize singular elements at the crack tip.