Geodesic
Mathematical modeling of eigenvibrations of the shallow shell with an attached oscillator
Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, Tome 165 (2023) no. 2, pp. 153-166 Cet article a éte moissonné depuis la source Math-Net.Ru

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For the problem of eigenvibrations of the shallow shell with an attached oscillator, a new symmetric variational statement in the Hilbert space was proposed. It was established that there exist a sequence of positive eigenvalues of finite multiplicity with a limit point at infinity and the corresponding complete orthonormal system of eigenvectors. The problem was approximated by the mesh scheme of the finite element method with Hermite finite elements. Theoretical error estimates for the approximate solutions were proved. The theoretical findings were verified by the results of numerical experiments.
Keywords: eigenvibration, shallow shell, oscillator, eigenvalue, eigenvector, eigenvalue problem, finite element method, Hermite finite element. 
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D. M. Korosteleva; S. I. Solov'ev. Mathematical modeling of eigenvibrations of the shallow shell with an attached oscillator. Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, Tome 165 (2023) no. 2, pp. 153-166. http://geodesic.mathdoc.fr/item/UZKU_2023_165_2_a4/

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