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首页> 外文期刊>Applied Mathematical Modelling >Haar wavelet approximation for magnetohydrodynamic flow equations
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Haar wavelet approximation for magnetohydrodynamic flow equations

机译:磁流体动力方程的Haar小波逼近

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This study proposes Haar wavelet (HW) approximation method for solving magnetohydrodynamic flow equations in a rectangular duct in presence of transverse external oblique magnetic field. The method is based on approximating the truncated double Haar wavelets series. Numerical solution of velocity and induced magnetic field is obtained for steady-state, fully developed, incompressible flow for a conducting fluid inside the duct. The calculations show that the accuracy of the Haar wavelet solutions is quite good even in the case of a small number of grid points. The HW approximation method may be used in a wide variety of high-order linear partial differential equations. Application of the HW approximation method showed that it is reliable, simple, fast, least computation at costs and flexible.
机译:这项研究提出了Haar小波(HW)近似方法,用于在存在横向外部倾斜磁场的情况下求解矩形管道中的磁流体动力方程。该方法基于近似截短的双Haar小波序列。对于管道内的导电流体,稳态,完全展开,不可压缩的流动可获得速度和感应磁场的数值解。计算表明,即使在网格点数量较少的情况下,Haar小波解的精度也相当好。 HW逼近方法可用于各种高阶线性偏微分方程。硬件逼近法的应用表明,该方法可靠,简单,快速,计算最少,成本高且具有灵活性。

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