We study the homogenization problem for the Poisson equation in a domain perforated along a manifold with the dynamic Signorini boundary condition on the boundary of perforations (particles), with a parameter ε−γ. We focus on the case where the perforations (particles) are of an arbitrary shape and all the parameters of the problem take the critical value. The main result is the derivation and justification of a homogenized model containing a new nonlocal nonlinear operator, called the strange operator.
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Translated from Problemy Matematicheskogo Analiza 126, 2024, pp. 65-86.
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Podolskiy, A.V., Shaposhnikova, T.A. Strange Operator in Homogenization of the Diffusion Equation in a Domain Perforated Along of a Manifold with Dynamic Signorini Condition on Perforation Boundary. Critical Case. J Math Sci 279, 525–549 (2024). https://doi.org/10.1007/s10958-024-07030-2
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DOI: https://doi.org/10.1007/s10958-024-07030-2