UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS

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2024-11-21 21:01

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Conference: Bucharest University Faculty of Physics 2008 Meeting


Section: Theoretical Physics and Applied Mathematics Seminar


Title:
On the Deduction of the Lifting Surface Equation


Authors:
Adrian Stoica


Affiliation:
University of Bucharest

Faculty of Physics


E-mail
adst21@yahoo.com


Keywords:
lifting surface equation, distribution theory, singular integral


Abstract:
The lifting surface equation is obtained after a limit of the z-component of the fluid velocity . The difficulty occurs because the integrand becomes singular.Many authors use in their proofs interchanges of limit and integral or derivatives which are mathematically incorrect.In this paper we proof rigorously the validity of the limit by the aid of the singular distribution theory.The integration is carried out by transforming the singular integrals into regular integrals and simple singular integrals which are integrated analytically.