Table 3 JH-2 model parameters of common brittle materials for solid phase.

Material basic parameters

  Reference density, ρ₀ (kg/m³)

2460

2660

  Shear modulus, G (GPa)

7.84

21.9

JH-2 strength parameters

  Hugoniot elastic limit, HEL (GPa)

2.5

4.5

  Pressure at HEL, P_HEL (GPa)

1.45

2.93

  Equivalent stress at HEL, σ_HEL (GPa)

1.58

2.36

  Intact strength coefficient, A

0.88

1.248

  Intact strength coefficient, N

0.64

0.676

  Fractured strength coefficient, B

0.293

0.68

  Fractured strength coefficient, M

0.64

0.83

  Strain rate coefficient, C

0.00337

0.0051

  Normalized maximum tensile strength, T*

0.0103

0.0195

  Normalized maximum fractured strength,\(\:\:{\sigma}_{\text{fmax}}^{\ast}\)

0.25

0.16

JH-2 failure parameters

  Damage coefficient, D₁

0.05

0.008

  Damage coefficient, D₂

1.5

0.435

Polynomial EOS parameters

  Bulk modulus, K₁(GPa)

10.45

25.7

  Pressure coefficient, K₂(GPa)

20.78

-386

  Pressure coefficient, K₃(GPa)

22.69

12,800

  Energy conversion coefficient, β

1.0

1.0