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Solution of the stochastic generalized shallow-water wave equation using RVT technique

机译:用RVT技术求解随机广义浅水波动方程

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摘要

In this paper, some exact solutions of the stochastic generalized nonlinear shallow-water wave (SGNSWW) equation are obtained. This equation is an important equation in fluid mechanics field. Opposite to what is usually assumed in the literature, the coefficients of the nonlinear terms in this stochastic nonlinear partial differential equation (SNLPDE) are considered to be random quantities. The random variable transformation (RVT) technique is combined with the modified extended-tanh function method (METFM) to get the stochastic solutions represented by the probability density functions (PDFs) of the solution processes in terms of the PDFs of the random coefficients. These solutions are illustrated graphically along the spacial and time dimensions at a certain wave speed.
机译:本文获得了随机广义非线性浅水波(SGNSWW)方程的一些精确解。该方程是流体力学领域的重要方程。与文献中通常假设的相反,该随机非线性偏微分方程(SNLPDE)中的非线性项的系数被认为是随机量。将随机变量变换(RVT)技术与改进的扩展tanh函数方法(METFM)结合,以随机系数的PDF形式获得求解过程的概率密度函数(PDF)表示的随机解。这些解决方案以一定的波速沿空间和时间维度以图形方式说明。

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