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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >Group invariant solutions of (2+1)-dimensional rdDym equation using optimal system of Lie subalgebra
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Group invariant solutions of (2+1)-dimensional rdDym equation using optimal system of Lie subalgebra

机译:使用LieS子晶代优化系统(2 + 1) - 二维RDDYM等式的组不变解

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摘要

We use the Lie group method to investigate a one-dimensional optimal system of Lie subalgebra for a (2+1)-dimensional rdDym equation. The new closed form solutions of the rdDym equation are constructed. The rdDym equation has been changed into a new partial differential equation which has fewer independent variables. To explain the physical significance of invariant solutions, 3D, 2D and contour plots are exploited by numerical simulation. Some of the results are new as compared with previously established outcomes (Baran et al 2016 Theor. Math. Phys. 188 1273-1295; Morozov 2012 SIGMA 8 051; Lelito and Morozov 2018 J. Geom. Phys. 131 89-100). Interestingly, one lump-type solution, kink waves and a parabolic profile of the group invariant solutions are shown to make this research more valuable.
机译:我们使用Lie Group方法来研究A(2 + 1)-dimensional RDDYM等式的Lie子晶晶态的一维优化系统。 构建了RDDYM方程的新封闭式解决方案。 RDDYM等式已被改变为具有较少独立变量的新偏微分方程。 为了解释不变解决方案的物理意义,通过数值模拟利用3D,2D和轮廓图。 一些结果与先前建立的结果相比是新的(巴伦等,你是Math。数学。物理。188 1273-1295; Morozov 2012 Sigma 8 051; Lelito和Morozov 2018 J. Geom。物理。131 89-100)。 有趣的是,一个块状型解决方案,扭结波浪和群体不变解决方案的抛物面简介被证明使这项研究更有价值。

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