Journal
LOBACHEVSKII JOURNAL OF MATHEMATICS
Volume 41, Issue 10, Pages 2083-2089Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S1995080220100169
Keywords
gradient elasticity; Eshelby problem; fundamental solutions; Laplace and Helmholtz equations; Gauss representation; radial multipliers; exact solutions; asymptotic homogenization
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Funding
- Russian Government Foundation [AAAA-A19-119012290177-0]
- Russian Foundation for Basic Research [18-29-10085]
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A generalized Eshelby problem of arbitrary order in the gradient elasticity for a multilayer inclusions of spherical shape with a polynomial strain field at infinity is considered. For this problem we propose a constructive method of solution in a closed finite form, using generalized Papkovich-Neuber representation and the system of canonical potentials based on harmonic polynomials. We use also the Gauss theorem on the decomposition of an arbitrary homogeneous polynomials. The solutions of the generalized Eshelby problem are applied in the method of asymptotic homogenization of the gradient elasticity to accurately calculation of the effective characteristics of composite materials with scale effects.
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