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Novel insights into the computational techniques in unsteady MHD second-grade fluid dynamics with oscillatory boundary conditions

机译：具有振荡边界条件的非稳态MHD二级流体动力学计算技术的新颖见解

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摘要

This study presents mechanisms for the investigation of an unsteady magnetohydrodynamic second-grade fluid flow between two periodically oscillating plates. The flow characterization is given in three forms, that is, Couette flow, Poiseuille flow, and a combination flow of both of them. A mathematical system is generated to design the problems, which are solved in an analytical way with two novel procedures, namely Adomian decomposition method (ADM) and optimal homotopy asymptotic method (OHAM). The numerical comparison, absolute errors, and residuals of OHAM and ADM solutions are evaluated. Results obtained from these two methods are studied comparatively in the form of numbers and graphs. A good agreement between the respective data is obtained. The influences of flow parameters like frequency parameter, non-Newtonian fluid parameter, magnetic field parameter, pressure gradient parameter, and time variable on velocity v(y, t) have been analyzed.
机译：该研究提出了在两个周期性振荡板之间研究了不稳定的磁性动力学二级流体流动的机制。 流动表征以三种形式给出，即豆流量，Poiseuille流，以及它们两者的组合流动。 产生数学系统来设计问题，这些问题是以两种新程序的分析方式解决，即Adomian分解方法（ADM）和最佳同型渐近法（Oham）。 评估了奥地姆和ADM解决方案的数值比较，绝对误差和残差。 从这两种方法获得的结果以数字和图形的形式进行了相对研究。 获得各个数据之间的良好一致性。 已经分析了频率参数，非牛顿流体参数，磁场参数，压梯度参数和速度V（y，t）上的时间变量等流量参数的影响。

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  • 来源
    《Heat transfer》 |2021年第3期|2502-2524|共23页
  • 作者

    Liaqat Ali; Noor S. Khan; Rohail Ali; Saeed Islam; Poom Kumam; Phatiphat Thounthong;

  • 作者单位

    Department of Business Administration IQRA National University Peshawar Khyber Pakhtunkhwa Pakistan;

    Department of Mathematics Faculty of Science King Mongkut's University of Technology Thonburi (KMUTT) Bangkok Thailand KMUTT Fixed Point Research Laboratory Department of Mathematics Faculty of Science King Mongkut's University of Technology Thonburi (KMUTT) Bangkok Thailand Center of Excellence in Theoretical and Computational Science (TaCS-CoE) Faculty of Science King Mongkut's University of Technology Thonburi (KMUTT) Bangkok Thailand Department of Mathematics Division of Science and Technology University of Education Lahore Pakistan;

    Department of Mechanical Engineering CECOS University Peshawar Khyber Pakhtunkhwa Pakistan;

    Department of Mathematics Abdul Wali Khan University Mardan Khyber Pukhtunkhwa Pakistan Faculty of Mathematics and Statistics Ton Duc Thang University Ho Chi Minh City Vietnam Information Research Group Ton Duc Thang University Ho Chi Minh City Vietnam;

    Department of Business Administration IQRA National University Peshawar Khyber Pakhtunkhwa Pakistan Department of Mathematics Faculty of Science King Mongkut's University of Technology Thonburi (KMUTT) Bangkok Thailand KMUTT Fixed Point Research Laboratory Department of Mathematics Faculty of Science King Mongkut's University of Technology Thonburi (KMUTT) Bangkok Thailand Department of Medical Research China Medical University Hospital Taichung Taiwan;

    Renewable Energy Research Centre Department of Teacher Training in Electrical Engineering Faculty of Technical Education King Mongkut's University of Technology North Bangkok Bangkok Thailand;

  • 收录信息 美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    ADM; MHD; OHAM; parallel horizontal plates; second-grade fluid;

    机译：ADM;MHD;哦;Paralel水平板材;二级液体;

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