For a second-order symmetric uniformly elliptic differential operator with rapidly oscillating coefficients, we study the asymptotic behavior of solutions of a mixed inhomogeneous boundary-value problem and a spectral Neumann problem in a thin perforated domain with rapidly varying thickness. We obtain asymptotic estimates for the differences between solutions of the original problems and the corresponding homogenized problems. These results were announced in Dopovidi Akademii Nauk Ukrainy, No. 10, 15–19 (1991). The new results obtained in the present paper are related to the construction of an asymptotic expansion of a solution of a mixed homogeneous boundary-value problem under additional assumptions of symmetry for the coefficients of the operator and for the thin perforated domain.
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Translated from Neliniini Kolyvannya, Vol. 13, No. 1, pp. 50–74, January–March, 2010.
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Mel’nyk, T.A., Popov, A.V. Asymptotic analysis of boundary-value problems in thin perforated domains with rapidly varying thickness. Nonlinear Oscill 13, 57–84 (2010). https://doi.org/10.1007/s11072-010-0101-5
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DOI: https://doi.org/10.1007/s11072-010-0101-5