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- W2384682380 abstract "To study the scattering characteristics of the prefabricated multilayer fragment,the numerical simulation and the detonation drive characteristics of a certain stracture were studied for prefabricated multilayer fragment warhead.A contrast was made among the FSI model,the monolayer mesh model and the small angle model.Using the automatic contact method of eroding single surface,a logical FE model was set up.Key technical problems such as propagation of detonation wave,prefabricated multilayer fragment,deforming driven by detonation,and scattering characteristics of fragment were numerically simulated by the LS-DYNA software.The results show that the friction and extrusion between fragments can be considered,that the fragment maximum velocity and the average velocity can be increased by two-initiation-point and three-initiation-point explosion,and that the scattering angle of the intensive fragments region expands with the increase of the initiation points." @default.
- W2384682380 created "2016-06-24" @default.
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- W2384682380 date "2009-01-01" @default.
- W2384682380 modified "2023-09-23" @default.
- W2384682380 title "Numerical simulation method and different initiation modes for prefabricated multilayer fragment warhead" @default.
- W2384682380 hasPublicationYear "2009" @default.
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