In this paper, we use a kind of singular perturbation method to find the normal solution of the Boltzmann equation with small Knudsen number. It is proved that the secular terms may be removed by improving the Hilbert expansion and Enskog expansion.

 
  • 本文用奇異擾動(dòng)方法討論了具有小Knudsen數的Boltzmann方程的正規解,證明把Hil-bert展開(kāi)和Enskog展開(kāi)加以改進(jìn)可以消除久期項。
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