Lie-group analysis of Newtonian/non-Newtonian fluids flow - Hamad, Mohammad;Ibrahim, Fouad;Mansour, Mohamed
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In this book, group methods are presented for finding the similarity solutions for some systems of partial differential equations, which govern the problems of convective flow in the boundary layer of Newtonian and non-Newtonian fluid. We will use three methods for finding the similarity representations (i) Scaling transformations, (ii) Infinitesimal Lie group analysis and (iii) Suitable similarity transformations. Lie groups, and hence their infinitesimal generators, can be naturally extended or "prolonged" to act on the space of independent variables, dependent variables and derivatives of…mehr

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Produktbeschreibung
In this book, group methods are presented for finding the similarity solutions for some systems of partial differential equations, which govern the problems of convective flow in the boundary layer of Newtonian and non-Newtonian fluid. We will use three methods for finding the similarity representations (i) Scaling transformations, (ii) Infinitesimal Lie group analysis and (iii) Suitable similarity transformations. Lie groups, and hence their infinitesimal generators, can be naturally extended or "prolonged" to act on the space of independent variables, dependent variables and derivatives of the dependent variables up to any finite order. As a consequence, the seemingly intractable nonlinear conditions of group invariance of a given system of differential equations reduce to linear homogeneous equations determining the infinitesimal generators of the group. Since these determining equations form an over determined system of linear homogeneous partial differential equations. If a system of partial differential equations is invariant under a Lie group of point transformations, one can find, constructively, special solutions, called similarity solutions or invariant solutions.
Autorenporträt
Dr. Hamad got his Ph.D. June 2006,Post Doctor- Faculty of Engineering and Physical Sciences, Surrey University, England 2007. He also joined to Faculty of Mathematical Sciences, USM,Penang, Malaysia as a post doctor, then visiting researcher from 2009 to 2011. He published his formulations ( Hamad Formulations) in WASJ 2011.