Research Article
Research on Numerical Simulation of Tantalum Explosively Formed Projectile Forming Driven by Detonation
Table 1
Parameters of each material model in numerical simulation [
27,
28].
| | JH-2 | ρ/(g·cm−3) | D/(m·s−1) | P CJ/(GPa) | A/(GPa) | B/(GPa) | R 1 | R 2 | ω | E 0/(GPa) | V 0 | | 1.701 | 8212 | 29.6 | 854.5 | 20.493 | 4.6 | 1.35 | 0.25 | 10.0 | 1.0 |
| | Tantalum | ρ/(g·cm−3) | G/(GPa) | C/(m·s−1) | S 1 | S 2 | S 3 | γ 0 | a | E 0/(GPa) | V 0 | | 16.69 | 69.9 | 3414 | 1.2 | 0 | 0 | 1.6 | 0.0 | 0.0 | 1.0 |
| | Air | ρ/(g·cm−3) | | C 1 | C 2 | C 3 | C 4 | C 5 | C 6 | E 0/(GPa) | V 0 | | 0.001293 | | 0 | 0 | 0 | 0.4 | 0.4 | 0 | 0.00025 | 1.0 |
|
|
