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2篇 您的检索式:作者名="D.VIERU"
    题名 作者 年代 出处 被引量
1Exact solutions for unsteady flow of second grade fluid generated by oscillating wall with transpiration显示文摘A problem of unsteady flow of a second grade fluid over flat plates with the impulsive and oscillating motion, starting from rest, and with the wall transpiration is considered. The exact solutions are derived by the Laplace transform, the perturbation techniques, and an extension of the variable separation technique together with similarity arguments. These solutions are written as the sum between the permanent solutions and the transient solutions. The variations of fluid behaviors with various physical parameters are shown graphically and analyzed. The results are validated by comparing the limiting cases of the present paper with the results of the related published articles.M.ABDULHAMEED I.KHAN D.VIERU S.SHAFIE 2014Applied Mathematics and Mechanics(English Edition)2014,35,7:0
2Exact solution for the rotational flow of a generalized second grade fluid in a circular cylinder显示文摘This paper deals with the rotational flow of a generalizedsecond grade fluid, within a circular cylinder, due toa torsional shear stress. The fractional calculus approach inthe constitutive relationship model of a second grade fluid isintroduced. The velocity field and the resulting shear stressare determined by means of the Laplace and finite Hankeltransforms to satisfy all imposed initial and boundary conditions.The solutions corresponding to second grade fluids aswell as those for Newtonian fluids are obtained as limitingcases of our general solutions. The influence of the fractionalcoefficient on the velocity of the fluid is also analyzed bygraphical illustrations.I.Siddique D.vieru 2009Acta Mechanica Sinica2009,25,6:0
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