NASA NTRS · 19870048061
The NT-criterion for predicting crack growth increments
Abstract
A new approach is presented to determine the crack propagation increment after the direction of crack propagation has been predicted. The maximum dilatational strain energy density (NT-criterion) is employed in the derivation for predicting both direction and increment of the propagating crack. The crack propagation path predicted by the NT-criterion is compared to the one predicted by the S-criterion and to some available experimental data.
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Yehia, Nabil A. B., Shephard, Mark S.. 1987-01-01. The NT-criterion for predicting crack growth increments. https://ntrs.nasa.gov/citations/19870048061
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