Stress Drop Avalanches
Amorphous plasticity — power-law avalanche statistics, mean-field exponent τ ≈ 1.5
P(s) ~ s
−τ
, τ ≈ 1.5 (mean-field, d≥d_c) | Stress: σ(γ) with drops Δσ
Kaagan-Bhatt model: blocks with random thresholds, stress redistribution
Strain rate ε̇ (loading speed) =
0.5
Number of blocks N =
200
Stress redistribution α =
0.6
Run / Reset
Step
—
Avalanches
—
Max size
~1.5
Exponent τ