• Sujit K Bose

      Articles written in Proceedings – Mathematical Sciences

    • Finite part representations of hyper singular integral equation of acoustic scattering and radiation by open smooth surfaces

      Sujit K Bose

      More Details Abstract Fulltext PDF

      The Green’s function solution of the Helmholtz's equation for acoustic scattering by hard surfaces and radiation by vibrating surfaces, lead in both the cases, to a hyper singular surface boundary integral equation. Considering a general open surface, a simple proof has been given to show that the integral is to be interpreted like the Hadmard finite part of a divergent integral in one variable. The equation is reformulated as a Cauchy principal value integral equation, but also containing the potential at the control point. It is amenable to numerical treatment by conventional methods. An alternative formulation in the better known form, containing the tangential derivative of the potential is also given. The two dimensional problem for an open arc is separately treated for its simpler feature.

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