Based on the principle of plastic work temperature rise,the temperature term in Johnson Cook material model is simplified,and the chemical reaction mechanism of impact reaction materials is added.Based on the secondary development function under LS-DYNA platform,the constitutive model suitable for impact reaction materials is written.The simulation model of projectile impact on single-layer protective structure is established and the damage characteristics of ordinary materials and impact reaction materials are studied respectively.
关键词
LS-DYNA二次开发/冲击反应材料/本构模型/单层靶毁伤/数值计算
Key words
secondary development of LS-DYNA/impact reactive material/constitutive model/single-layer target damage/numerical calculation
维普
万方数据