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As a combination of the traditional finite element method and boundary element method, the n-sided polygonal hybrid finite element method with fundamental solution kernels, named as HFS-FEM, is thoroughly studied in this work for two-dimensional heat conduction in fully anisotropic media. In this approach, the unknown temperature field within the polygon is represented by the linear combination of...
Using the rigorous acoustic scattering theory, we analyze the two-dimensional acoustic superscatterer, which is constructed by coating acoustic double-negative material on the rigid cylinder in the pressure field, and numerically confirm it by full-wave simulations. Furthermore, we propose the multilayer realization approach with isotropic material and finding the realization might be unsuccessful...
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