📐 Unit System: mm-s-tonne-N-MPa (MPa for pressure/stress, ton/mm³ for density)
Ren G-M, Wu H, Fang Q, Kong X-Z. Parameters of Holmquist–Johnson–Cook model for high-strength concrete-like materials under projectile impact. International Journal of Protective Structures. 2017;8(3):352-367.
🔗 https://doi.org/10.1177/2041419617721552
This study provides empirical correlations for HJC model parameters based on extensive testing of high-strength concrete materials (67.5-157 MPa) under projectile impact conditions, enabling automatic parameter generation from basic material properties.