Journal of Mechanical Science and Technology

The Korean Society of Mechanical Engineers (대한기계학회)
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Numerical Analysis of a Weak Shock Wave Propagating in a Medium Using Lattice Boltzmann Method (LBM)

  • Kang, Ho-Keun ;
  • Michihisa Tsutahara (Graduate School of Science and Technology, Kobe University) ;
  • Ro, Ki-Deok (School of Mechanical and Aerospace Engineering·Institute of Marine Industry, Gyeongsang National University) ;
  • Lee, Young-Ho (Division of Mechanical & Information Engineering, Korea Maritime University)
  • Published : 2003.12.01
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Abstract

This study introduced a lattice Boltzmann computational scheme capable of modeling thermo hydrodynamic flows with simpler equilibrium particle distribution function compared with other models. The equilibrium particle distribution function is the local Maxwelian equilibrium function in this model, with all the constants uniquely determined. The characteristics of the proposed model is verified by calculation of the sound speeds, and the shock tube problem. In the lattice Boltzmann method, a thermal fluid or compressible fluid model simulates the reflection of a weak shock wave colliding with a sharp wedge having various angles $\theta$$\sub$w/. Theoretical results using LBM are satisfactory compared with the experimental result or the TVD.

Keywords

References

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