Research Article

Experimental and Numerical Research on Cylindrical Tubes under Outer Cylindrical Explosive Waves

Table 3

Material model of tube.

Linear state equation

Bulk modulus (GPa)159.8
Reference temperature (K)300
Specific heat (J/kgK)477.0

Strength model (J-C)

Shear modulus (GPa)770
Yield stress (MPa)790
Hardening constant (MPa)510
Hardening exponent0.26
Strain rate constant0.014
Thermal softening exponent1.03
Melting temperature (K)1793

Failure model (Grady spall mode)

Grady spall model0.15