الفهرس 
Long Wave TheoryOnly 14 pages are availabe for public view
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Abstract
The thesis is mainly concerned with study of the dynamics of incompressible viscous uids. The considered uids are leaky dielectric that owing over wavy substrate in the presence of electric eld. In other side, we studied uids that owing over slippery wavy substrate. The mathematical modeling and simulation of the ow of uid in the presence of the wavy wall elect are important in many areas, including petroleum engineering, soil science and environmental engineering and in many other processes as well.