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High explosive simulation using multi-material formulations

type de publication      article dans une revue internationale avec comité de lecture
date de publication 2006
auteur(s) Alia Ahlem; Souli Mhamed
journal (abréviation) Applied Thermal Engineering (Appl Therm Eng)
volume (numéro) 26 (10)
  
pages 1032 – 1042
résumé The accurate numerical simulation of air-blast is an industrial concern. Because the experimental investigation of these fast transient events is expensive and time-consuming, several numerical approaches of air explosion are carried out. In this paper, an air-blast simulation is described using Eulerian multi-material formulation. In order to validate the numerical approach and prove its ability for high pressure wave propagation, comparison of two examples with experimental results is performed. Both simulations lead to the same prediction for the pressure time history. Good agreement between the test results and the predicted pressure response is achieved.
mots clés ALE multi-material formulation; High explosive; Shock wave propagation
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