LAUSR

In the present study, the progressive failure analysis of an industrial (± 55°)9 filament-wound glass fiber reinforced epoxy (GRE) pipe is performed to determine its ultimate hoop strength. In practice, according to ASTM D-2290 standard, performing the tests on the rings cut from the pipe is a method for determining its ultimate hoop strength. Hence, in this paper, the finite element modeling concentrates on the ring cut from the pipe instead of the entire pipe. A VUSDFLD subroutine in the ABAQUS software based on the Hashin failure criteria along with the sudden material property degradation rules is used to identify the mode of failure. The numerical convergence problem including the selection of an appropriate time period and mesh size is studied. The predicted ultimate hoop strength of the pipe using finite element analysis is also compared with that by the experiment.