Modelling Explosions Using ALE Meshes: The
Influence Of Mesh Refinement In Pressures And
In Efforts Induced By Blast/structure Interaction
Author(s)
D. A. Cendón, V. Sánchez Gálvez & F. Gálvez
Abstract
Hydrocodes are becoming a very important tool for simulation of explosive loads
and the interaction between the shock wave and possible structures stroked.
Landmine explosions and the damage induced when they explode under an
armoured vehicle are good examples of this. However this type of simulation
usually requires very complex meshes, which must also be able to reproduce a
large number of elements involved in the simulation, such as the explosive, the
air, the wheels, the transmission…etc. Furthermore, the problem worsens if we
take into account that very small size element meshes are required if we are
looking for a good accuracy of the calculations, especially when we want a good
approximation for the sharp pressure peaks that a
Keywords
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