Application of the Modified Reactive SPH Method for Simulating Explosions

  • Sirotkin, Fedir V. (School of Mechanical and Aerospace Engineering, Seoul National University) ;
  • Yoh, Jai-Ick (School of Mechanical and Aerospace Engineering, Seoul National University)
  • Published : 2011.11.24

Abstract

Smoothed Particle Hydrodynamics (SPH) is a Lagrangian method widely used for the modeling fluid flows. Simulations of explosions require, besides the hydrodynamic equations, a realistic equation of state, an energy source term, and a set of chemical kinetic equations to follow the composition changes of the gas during the explosion. The performance of the hydrodynamic equations is investigated in the framework of the Sedov-Taylor blast-wave. The implementation of chemical kinetic equations and equation of state is studied with 1D detonation of TNT slab. Our results are compared to those from analytical and experimental studies.

Keywords