Hydrodynamics, Grad’s Moments Method and the Structure Of Shock Waves

  • F. J. Uribe
  • R. M. Velasco
  • Leopoldo S. Garcia-Colin


The propagation of a plane shock wave through a monatomic gas is considered. A study based on Grad's thirteen moment approximation to the solution of Boltzmann's equation is performed for a stationary shock. Comparison of the results obtained with two different sets of dynamical variables leads to some inconsistencies. In fact, what we exemplify is that Grad's method does not uniquely determines the underlying dynamical systems of equations for each choice of dynamical variables. The consequences of this incosistency are seen in the shock wave problem.


Boltzmann Equation Chapman-Enskog Method Grad's Moments Method Kinetic Theory Shock Waves 


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Copyright information

© Springer Science+Business Media New York 2003

Authors and Affiliations

  • F. J. Uribe
    • 1
  • R. M. Velasco
    • 1
  • Leopoldo S. Garcia-Colin
    • 1
    • 2
  1. 1.Departamento de FísicaUniversidad Autónoma Metropolitana - IztapalapaMéxico D. F.México
  2. 2.El Colegio NationalMéxico D. F.México

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