Table 2 Elastic and thermal parameters of the medium of the simulation used in Code_Aster and SPECFEM2D to reproduce the mechanical and acoustic behavior of the cored sample used in the experiments

Wave speed (measured at ambient temperature)

v_P (km s⁻¹)

4.89

v_S (km s⁻¹)

2.70

Thermal properties (at 20 °C)

Isotropic thermal conductivity λ (W/m K)

2.2

Isotropic thermal expansion coefficient α (K⁻¹)

12 × 10⁻⁶

Specific heat capacity at constant pressure c (J/kg K)

790

Elastic properties

Young modulus E (GPa)

52

Poisson’s ratio ν

0.28

Density ρ (kg/m³)

2800