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Analysis of Unsteady Axisymmetric Squeezing Fluid Flow with Slip and No-Slip Boundaries Using OHAM

机译:滑动和无滑动边界的非恒定轴对称挤压流体的OHAM分析

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摘要

In this manuscript, An unsteady axisymmetric flow of nonconducting, Newtonian fluid squeezed between two circular plates is studied with slip and no-slip boundaries. Using similarity transformation, the system of nonlinear partial differential equations is reduced to a single fourth order ordinary differential equation. The resulting boundary value problems are solved by optimal homotopy asymptotic method (OHAM) and fourth order explicit Runge-Kutta method (RK4). It is observed that the results obtained from OHAM are in good agreement with numerical results by means of residuals. Furthermore, the effects of various dimensionless parameters on the velocity profiles are investigated graphically.
机译:在这份手稿中,研究了滑移和无滑移边界的非稳态牛顿流体在两个圆形板之间挤压的非恒定轴对称流。使用相似变换,将非线性偏微分方程组简化为单个四阶常微分方程。由此产生的边值问题通过最优同伦渐近方法(OHAM)和四阶显式Runge-Kutta方法(RK4)得以解决。可以看出,从OHAM获得的结果与通过残差得到的数值结果非常吻合。此外,以图形方式研究了各种无量纲参数对速度分布的影响。

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  • 来源
    《Mathematical Problems in Engineering》 |2015年第2期|860857.1-860857.11|共11页
  • 作者单位

    Natl Univ Comp & Emerging Sci, Dept Math, Peshawar 25000, Pakistan.;

    Natl Univ Comp & Emerging Sci, Dept Math, Peshawar 25000, Pakistan.;

    Natl Univ Comp & Emerging Sci, Dept Math, Peshawar 25000, Pakistan.;

    Natl Univ Comp & Emerging Sci, Dept Math, Peshawar 25000, Pakistan.;

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