Abstract
In the present work we are interested on the analysis of the severity of crack defects created by a disc cutter and to study the behavior of a high density polyethylene pipe (HDPE pipe) when subjected to an internal pressure, either in the absence or presence of a pre-crack. In order to do this, experimental tests was performed to measure the toughness and to determine the mechanical behavior of HDPE. These features were used to perform numerical simulations using ABAQUS on pipe solicited by an increase in internal pressure. This allows to compare with burst tests of cracked pipes and to determine the fracture energy that will be compared to the toughness.
The results show that the crack is initiated in the radial direction. And the size of the crack has a great influence on the energy of rupture and consequently on the ultimate pressure. There is a good agreement between experimental and numerical results.
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Guidara, M.A. et al. (2015). Burst Test and J-Integral Crack Growth Criterion in High Density Poly-Ethylene Pipe Subjected to Internal Pressure. In: Haddar, M., et al. Multiphysics Modelling and Simulation for Systems Design and Monitoring. MMSSD 2014. Applied Condition Monitoring, vol 2. Springer, Cham. https://doi.org/10.1007/978-3-319-14532-7_40
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DOI: https://doi.org/10.1007/978-3-319-14532-7_40
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-14531-0
Online ISBN: 978-3-319-14532-7
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