Generalized Chessboard Structures Whose Effective Conductivities Are Integer Valued
Journal article, Peer reviewed
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OriginalversjonJournal of Applied Mathematics. 2012, 2012 Artikkel ID-874239. 10.1155/2012/874239
We consider generalized chessboard structures where the local conductivity takes two values 𝑎� and 𝑏�. All integer combinations of 𝑎� and 𝑏� which make the components of effective conductivity matrix integer valued are found. Moreover, we discuss the problem of estimating the effective conductivity matrix by using the finite-element method.