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Air blast reflecting on a rigid cylinder: simulation and reduced scale experiments

type de publication      article dans une revue internationale avec comité de lecture
date de publication 2015
auteur(s) Langlet André; Souli Mhamed; Aquelet Nicolas; Pennetier Olivier; Girault G.
journal (abréviation) Shock Waves (Shock Waves)
volume (numéro) 25 (1)
  
pages 47 – 61
résumé In this paper, the Multi-Material ALE formulation is applied to simulate the propagation of an air blast through the atmosphere, and its reflection on an assumed rigid cylindrical obstacle. The mathematical and numerical implementations of this formulation are presented. In order to validate the formulation and prove its ability to capture the propagation and reflection of high pressure waves, comparisons of the simulations with the experimental blast pressure measured on an assumed rigid cylinder are performed. The simulation conducted via the presented models and methods gives good predictions for pressure time histories recorded on the rigid cylinder.
mots clés Multi-Material ALE formulation · Shock wave propagation · Cylindrical obstacle · Experimental detonation · Reduced scale experiments
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