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Two-dimensional nonplanar spontaneous rupture in heterogeneous medium

Dynamic rupture simulation by finite differences of an arbitrarily nonplanar fault crossing a circular low velocity zone (LVZ). Rupture propagation is governed by a linear slip-weakening constitutive relation. Snapshot of the horizontal particle velocity (left) four seconds after rupture nucleation. The nonplanar fault (black curved line) crosses a circular Low Velocity Zone (LVZ, dotted line). The spontaneous rupture propagates rightward in a super-shear regime (see Cruz-Atienza and Virieux, 2004).


Fault Solutions