Mathematics – Logic
Scientific paper
Jun 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993georl..20.1091d&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 20, no. 11, p. 1091-1094.
Mathematics
Logic
16
Crack Propagation, Crustal Fractures, Geological Faults, Shear Stress, Propagation Velocity, Rock Mechanics, Strain Energy Methods
Scientific paper
The use of the present maximum distortional strain energy density criterion for shear fracture propagation under mixed-mode loading conditions shows that while an isolated mode-II shear fracture would tend to propagate in its own plane, the growth path of two en echelon shear fractures deviate from straight lines due to crack interaction. Using a displacement-continuity boundary-element method, the shear fracture propagation paths of two en echelon mode-II faults are shown to converge toward each other irrespective of the sense of shear and fault step.
Aydin Atilla
Du Yijun
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