Abstract
The dynamic motion of a longitudinal through-crack along a pressurized pipe or shell structure was studied. The endochronic theory of viscoplasticity were used for the description of inelastic material behavior. Numerical examples were given for a suddenly introduced axial through-crack in the wall of a pressurized pipe which is allowed to propagate according to Weiss-Sengupta notch-strength theory of ductile static fracture. Crack tip position and crack opening displacement profile were obtained at various times. No crack arrest was observed in the example due to the assumption of a constant internal pressure.
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