On the determination of loading and fixing for one end of a rod according to its natural frequencies of oscillation

A. M. Akhtyamov   ; A. V. Muftakhov   ; A. A. Akhtyamova

Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki, no. 3 (2013), pp. 114-129

Résumé

The identification problem of fixing conditions for a beam according to five natural frequencies of its vibrations is considered. On the basis of Plucker's conditions arising at the restoration of a matrix according to its minors of the maximal order, the set of well-posedness of the problem is constructed and the correctness according to A. N. Tikhonov is proved. We have found an explicit solution to the problem of the identification matrix of the boundary conditions, the above solution is written out in terms of the characteristic determinant for the corresponding spectral problem. The corresponding examples are provided.

Détail

Keywords: eigenvalues, inverse problem, natural frequencies, beam, concentrated inertial element.

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