An improved computational constitutive model for brittle materials

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Field‐gradient partitioning for fracture and frictional contact in the material point method (2017, background): “The need for simulating dynamic fracture and frictional contact arises in diverse applications including modeling of hypervelocity penetration [2–4], ballistic protection [1, 5, 6], planetary defense [7–11], machining [12], traumatic injury [13], and geotechnical applications [14].”
A Review of Dynamic Experimental Techniques and Mechanical Behaviour of Rock Materials (2014, methodology): “The JH-2 model (Johnson and Holmquist 1994) assumed that the material strength was dependent on the strain rate, pressure and damage, and incorporated a damage evolution rule.”
Finite element simulation of ceramic/composite armor under ballistic impact (2011, methodology): “The associated material parameters for the Johnson–Holmquist [17] material behavior used in LS-Dyna FE code are given in Table 2 [18].”
Ballistic impact simulation of an armour-piercing projectile on hybrid ceramic/fiber reinforced composite armours (2012, methodology): “The ballistic impact simulations were carried out using three different material models: (i) Johnson-Cook model [1] to predict the material behavior of the projectile; (ii) JH-2 model [2] to predict the material behavior of the ceramic.”