Journal of Mechanical Science and Technology

The Korean Society of Mechanical Engineers (대한기계학회)
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Numerical Simulation of Shock Wave Propagation using the Finite Difference Lattice Boltzmann Method

  • Kang, Ho-Keun (School of Transport vehicle engineering, Institute of Marine Industry, Gyeongsang National University) ;
  • Michihisa Tsutahara (Graduate School of Science and Technology, Kobe University) ;
  • Ro, Ki-Deok (School of Transport vehicle engineering, Institute of Marine Industry, Gyeongsang National University) ;
  • Lee, Young-Ho (Division of Mechanical & Information engineering, Korea Maritime University)
  • Published : 2002.10.01
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Abstract

The shock wave process represents an abrupt change in fluid properties, in which finite variations in pressure, temperature, and density occur over the shock thickness which is comparable to the mean free path of the gas molecules involved. This shock wave fluid phenomenon is simulated by using the finite difference lattice Boltzmann method (FDLBM). In this paper, a new model is proposed using the lattice BGK compressible fluid model in FDLBM for the purpose of speeding up the calculation as well as stabilizing the numerical scheme. The numerical results of the proposed model show good agreement with the theoretical predictions.

Keywords

References

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