Cubature rules based on bivariate spline quasi-interpolation for weakly singular integrals
A. Falini,
T. Kanduč,
M. L. Sampoli
et al.
Abstract:In this paper we present a new class of cubature rules with the aim of accurately integrating weakly singular double integrals. In particular we focus on those integrals coming from the discretization of Boundary Integral Equations for 3D Laplace boundary value problems, using a collocation method within the Isogeometric Analysis paradigm. In such setting the regular part of the integrand can be defined as the product of a tensor product B-spline and a general function. The rules are derived by using first the… Show more
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