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Two-dimensional steady heat conduction in functionally gradient materials by triple-reciprocity boundary element method. (English) Zbl 1151.80328
The word “gradient” should be replaced by “graded”, at least in 6 places in the paper including the title. The paper provides an attempt to discretize the inhomogeneous partial differential equation \[ \nabla\cdot(k(x,y)\nabla T(x,y))= 0. \] It still involves domain interpolation and it seems so complicated that one may use a straightforward finite element method instead.

80M15 Boundary element methods applied to problems in thermodynamics and heat transfer
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