Research Article

Influence of Seismic Source Parameters on the Excitation Wavelet in Seismic Explorations Based on Numerical Simulation

Table 3

Parameters of the fine sand model.

ρ (g·cm−3)G (GPa)Ka0 (GPa)a1 (GPa)a2 (GPa)Pc (GPa)CVCRp2 (GPa)p3 (GPa)p4 (GPa)p5 (GPa)p6 (GPa)p7 (GPa)p8 (GPa)p9 (GPa)p10 (GPa)

1.86.385 × 10−40.33.4 × 10−137.033 × 10−70.30−6.90 × 10−80−0.104−0.016−0.192−0.22−0.246−0.271−0.283−0.29−0.42.0 × 10−44.0 × 10−46.0 × 10−31.2 × 10−32.0 × 10−34.0 × 10−36.0 × 10−38.0 × 10−34.0 × 10−2

ρ, density; G, shear modulus; K, bulk modulus; a, constant for the plastic yield function; Pc, pressure cutoff for tensile fracture; CVCR, volumetric crushing option; , volumetric strain value (natural logarithmic value); p, pressure.