本文应用多重尺度约化微扰方法研究了充满流体的圆形弹性管壁上应力波的弱非线性调制问题。
The reductive perturbation method of multiple-scales is used to investigate the weak nonlinear modulation of the stress wave on the wall of a fluid-filled elastic circular tube.
本文运用约化摄动法分别研究了冷尘埃等离子体、热尘埃等离子体、磁化尘埃等离子体和尘埃等离子体晶体中的尘埃声孤波现象，着重考虑尘埃颗粒大小分布对尘埃声波的影响。
In this paper, the effect of dust size distribution for the dust acoustic solitary wave (DASW) in the cold dusty plasma, the hot dusty plasma, the magnetized dusty plasmas and the dusty pl.
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