The reductive perturbation method of multiple-scales is used to investigate the weak nonlinearmodulation of the stress wave on the wall of a fluid-filled elastic circular tube.
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。
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The method of multiple scales was used to solve directly the nonlinear differential equations and to derive the nonlinearmodulation equation for the principal parametric resonance.