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Table 1 Parameters used in the DEM simulation

From: Evolution of the geological structure and mechanical properties due to the collision of multiple basement topographic highs in a forearc accretionary wedge: insights from numerical simulations

Parameter (unit) Particle A Particle B
Radius (m) 12–30 6–10
Density (kg/m3) 2,650 2,650
Contact model Linear Linear
Young’s modulus (Pa) 4.90 × 109 4.90 × 109
Normal-to-shear stiffness ratio 2.46 2.46
Friction coefficient between particles 30 0.5
Damping factor 0.7 0.7
Macroscopic internal friction angle (°) 39 27