What is it about?
A thin domain coinciding with two thin rectangles connected through a joint of small diameter is considered. A rigorous procedure is developed to construct the complete asymptotic expansion for the solution of a boundary-value problem in this thin domain as the thin domain is degenerated into an interval.
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Why is it important?
Energetic and uniform pointwise estimates for the difference between the solution of the starting problem and the solution of the corresponding limit problem, which we proved, show the influence of the geometric irregularity of the joint on the asymptotic behavior of the solution.
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This page is a summary of: Asymptotic expansion for the solution to a boundary-value problem in a thin cascade domain with a local joint, Asymptotic Analysis, April 2016, IOS Press,
DOI: 10.3233/asy-151352.
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