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Geometric multipole expansion and its application to semi-neutral inclusions of general shape (1808.02446v7)
Published 2 Aug 2018 in math.NA and cs.NA
Abstract: This paper presents a new concept of geometric multipole expansion for the conductivity or anti-plane elasticity problem in two dimensions by using the Faber polynomials. As an application, we construct semi-neutral inclusions of general shape that show relatively negligible field perturbations for low-order polynomial loadings. These inclusions are of the multilayer structure whose material parameters are determined such that some coefficients of geometric multipole expansion vanish.
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