Aim\ To analyze the action of shaped charge jet formation. Methods\ The numerical simulation on the process of shaped charge jet formation for the structure of a kind of cluster warhead is carried out by means of the ANSYS/LS DYNA. Results\ On the basis of the numerical simulation model
the velocity gradient
diameter
length
and penetration depth of the jet for the vaulted liner cluster warhead at any moment are calculated. Conclusion\ According to the comparison with experimental results
the correctness of numerical simulation model is proved. It provides new design method on the development of new products.