Explicit Dynamic Finite Element Method for Predicting Implosion/Explosion Induced Failure of Shell Structures

Figure 8

Snapshots of numerical results of IMP26 experiment: (a) initial configuration and the mesh, (b) deformed configuration at time 𝑡=1.48 ms; the center of the cylinder begins to collapse, (c) deformed configuration at time 𝑡=1.78 ms; buckling region enlarges toward the two ends, and (d) final deformed configuration; the cylinder buckles in mode 2.

(a)

(b)

(c)

(d)