This paper presents a formal analysis of the asimptotic behaviour of solutions of type III for the Berman equation
where describes a laminar flow in a channel with porous walls. A solution has a nonlinear turning point , i.e.\ for some . It is shown that
, for where satisfies
Published July 10, 2000.
Math Subject Classifications: 34B15, 34E05, 34E20.
Key Words: singular perturbations, turning point, laminar flow, transcendental terms.
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