421 citations
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Showing 2021 · math.NAShow all
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math.NA2021★ 5 cited
Spectral and norm estimates for matrix sequences arising from a finite difference approximation of elliptic operators
Armando Coco, Sven-Erik Ekström, Giovanni Russo +2
When approximating elliptic problems by using specialized approximation techniques, we obtain large structured matrices whose analysis provides information on the stability of the…
math.NA2021★ 4 cited
Circumferential Crack Modeling of Thin Cylindrical Shells in Modal Deformation
Ali Alijani, Olga Barrera, Stephane P. A. Bordas
An innovative technique, called conversion, is introduced to model circumferential cracks in thin cylindrical shells. The semi-analytical finite element method is applied to invest…