Evaluation of Blast Mitigation Effects of Cylindrical Explosion Containment Vessels Based on Foam

In order to evaluate the blast mitigation effect of polyurethane foam in cylindrical explosion containment vessels (CECVs), a three-dimensional numerical simulation model was established. The Structured Arbitrary Lagrange-Euler (S-ALE) algorithm applied current simulations define coupling contact between TNT and Lagrange algorithm. verified by comparing dynamic deformation permanent experiments. Based on after verification, influence filling inside CECVs investigated. results revealed that compared with ALE algorithm, based S-ALE were good agreement experiments without leakage. fully covered had slight negative CECV, which may be caused reduction space [1]. However, bulk specific size can effectively reduce deformation, due shadow formed wave diffraction [2,3]. There significant positive correlation thickness mitigation. conclusion provides reference for improvement methods subjected internal loading.