We present a high performance computing simulation of the 2020 Beirut explosion. Specific tools have been developed to model the blast interaction with the buildings of the whole city. A specific meshing strategy is presented to achieve an acceptable accuracy while keeping the computational cost under control. The data-driven modeling of the explosive charge is introduced, and some other numerical aspects are discussed. The predicted numerical results are then extensively compared with different kinds of observations.

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Numerical Simulation of Blast Wave Propagation in a Large Urban Environment: The 2020 Beirut Explosion

  • S. Terrana,
  • S. Jaouen,
  • F. Duboc

摘要

We present a high performance computing simulation of the 2020 Beirut explosion. Specific tools have been developed to model the blast interaction with the buildings of the whole city. A specific meshing strategy is presented to achieve an acceptable accuracy while keeping the computational cost under control. The data-driven modeling of the explosive charge is introduced, and some other numerical aspects are discussed. The predicted numerical results are then extensively compared with different kinds of observations.