Exact Solutions for Unsteady Magnetohydrodynamic Oscillatory Flow of a Maxwell Fluid in a Porous Medium

被引:38
作者
Khan, Ilyas [1 ]
Ali, Farhad [1 ]
Samiulhaq [1 ]
Shafie, Sharidan [1 ]
机构
[1] Univ Technol Malaysia, Fac Sci, Dept Math Sci, Utm Skudai 81310, Malaysia
来源
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES | 2013年 / 68卷 / 10-11期
关键词
Exact Solutions; MHD Flow; Maxwell Fluid; Porous Medium; STOKES 1ST PROBLEM; OLDROYD-B FLUID; 2ND-GRADE FLUID; 2ND PROBLEM; HALF-SPACE; MOTION;
D O I
10.5560/ZNA.2013-0040
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
In this paper, exact solutions of velocity and stresses are obtained for the magnetohydrodynamic (MHD) flow of a Maxwell fluid in a porous half space by the Laplace transform method. The flows are caused by the cosine and sine oscillations of a plate. The derived steady and transient solutions satisfy the involved differential equations and the given conditions. Graphs for steady-state and transient velocities are plotted and discussed. It is found that for a large value of the time t, the transient solutions disappear, and the motion is described by the corresponding steady-state solutions.
引用
收藏
页码:635 / 645
页数:11
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