Phys. Rev. Lett. 92, 245510 (2004) [4 pages]Unsteady Crack Motion and Branching in a Phase-Field Model of Brittle FractureReceived 7 January 2004; published 18 June 2004 Crack propagation is studied numerically using a continuum phase-field approach to mode III brittle fracture. The results shed light on the physics that controls the speed of accelerating cracks and the characteristic branching instability at a fraction of the wave speed. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.92.245510
DOI:
10.1103/PhysRevLett.92.245510
PACS:
62.20.Mk, 46.50.+a, 46.15.–x
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