The p-Laplacian in thin channels with locally periodic roughness and different scales (CROSBI ID 310636)
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Nakasato, Jean Carlos ; Pereira, Marcone Correa
engleski
The p-Laplacian in thin channels with locally periodic roughness and different scales
In this work we analyse the asymptotic behaviour of the solutions of the p-Laplacian equation with homogeneous Neumann boundary conditions posed in bounded thin domains as Rε = {;(x, y) ∈ R2 : x ∈ (0, 1) and 0 < y < εG(x, x/ε^α)}; for some α > 0. We take a smooth function G : (0, 1) × R→R, L- periodic in the second variable, which allows us to consider locally periodic oscillations at the upper boundary. The thin domain situation is established passing to the limit in the solutions as the positive parameter ε goes to zero and we determine the limit regime for three case: α < 1, α = 1 and α > 1.
p-Laplacian ; Neumann conditions ; thin domains ; rough boundary ; homogenization
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