Eur. Phys. J. AP
Volume 4, Number 3, December 1998
|Page(s)||257 - 267|
|Published online||15 December 1998|
Numerical simulation of ductile fracture during high strain rate deformation
Department of Mechanical Engineering,
University of Waterloo
Waterloo, Ontario, Canada N2L 3G1
2 SNC Industrial Technologies Ltd. 5 Montée des Arsenaux Le Gardeur, Québec, Canada J5Z 2P4
Corresponding author: email@example.com
Accepted: 10 August 1998
Published online: 15 December 1998
A numerical integration scheme is presented for integration of the pressure-sensitive yield criterion due to Gurson, suitable for explicit dynamic finite element calculations. This scheme utilizes a sub-increment approach to Mayntain stability for the large strain increments and intense triaxiality that can occur under high strain rate loading. A number of validation problems are presented after which two laboratory-scale high strain experiments are simulated. The integration scheme is shown to be stable and to capture the onset of tensile fracture under high strain rate loading conditions.
PACS: 83.10.Ff – Continuum mechanics / 46.30.Nz – Fracture mechanics, fatigue, and cracks
© EDP Sciences, 1998
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