Two dimensional numerical simulation on shock initiation and detonation behavior of impact damaged pbx material

Z. Y. Liang, F. L. Huang, Z. Y. Zhang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Impact damage can influence PBX initiation and detonation behavior. A new reaction rate function model is built up based on KIM model. Parameter of the new model is acquired by genetic algorithms. And validation of model is verified by compared simulation results with Forest-Fire model. Two dimensions numerical simulation of PBX is executed to explosive's initiation and detonation process by embedded the new model into finite element analysis program. Numerical simulation results are good agreement with experiment results. The new reaction model can be used to analysis detonation mechanism of damaged explosive while porosity and grains size is changed by impact load.

Original languageEnglish
Title of host publicationAdvances in Heterogeneous Material Mechanics 2008 - 2nd International Conference on Heterogeneous Material Mechanics, ICHMM 2008
Pages1455-1458
Number of pages4
Publication statusPublished - 2008
EventAdvances in Heterogeneous Material Mechanics 2008 - 2nd International Conference on Heterogeneous Material Mechanics, ICHMM 2008 - Huangshan, China
Duration: 3 Jun 20088 Jun 2008

Publication series

NameAdvances in Heterogeneous Material Mechanics 2008 - Proceedings of the 2nd International Conference on Heterogeneous Material Mechanics, ICHMM 2008

Conference

ConferenceAdvances in Heterogeneous Material Mechanics 2008 - 2nd International Conference on Heterogeneous Material Mechanics, ICHMM 2008
Country/TerritoryChina
CityHuangshan
Period3/06/088/06/08

Keywords

  • Explosive
  • Numerical simulation
  • Reaction rate function
  • SDT

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