Is it possible to generate a spontaneous rupture by loading the crust through the boundary conditions without prescribing a time step between ruptures?
I am thinking of something similar to step6 in 2d subduction but without determining the timing of ruptures. Meaning, the rupture would nucleate when the fault is loaded to the yield stress by the boundary conditions, not at a fixed time interval. I am not interested in simulating several earthquake cycles, just in nucleating one or two ruptures to see how different loading conditions affect the nucleation time. I should also note I am using slip weakening friction, not a rate and state ageing law.