journal article·2012-05

Determination of the position and volume of a cavity in an elastic rod from its two vibration eigenfrequencies

A. M. Akhtyamov, E. I. Satyev

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Abstract

The direct and inverse problems of the longitudinal vibrations of a cylindrical rod with a flaw in the form of a cavity with a small characteristic size are considered. An approach to the determination of the location and volume of a small cavity of an arbitrary shape, which is based on the representation of the cavity by a negative mass, is proposed. The results of numerical experiments and their analysis are presented.
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Research context

OpenAlex topics: Numerical methods in inverse problems · Elasticity and Wave Propagation · Engineering Diagnostics and Reliability

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References (14)

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1. Vatulyan, A.O., Obratnye zadachi v mekhanike deformiruemogo tverdogo tela (Inverse Problems in the Mechanics of a Deformed Solid), Moscow: Fizmatlit, 2007.
2. Gladwell, G.M.L., Obratnye zadachi teorii kolebanii (Inverse Problems of the Vibration Theory), Moscow: Izhevsk, Res. Center “Reg. Chaotic Dynamics,” Inst. Comp. Res., 2008.
3. Van’kov, Yu.V., Kazakov, R.B., and Yakovleva, E.R., http://www/ejta.org, 2003, no. 5, pp. 1–7.
4. Ilgamov, M.A. and Khakimov, A.G., Diagnostics of Damage of a Cantilever Beam with a Notch, Defektoskopiya, 2009, no. 6, pp. 83–89 [Rus. J. Nondestr. Test. (Engl. Transl.), 2009, vol. 45, no. 6, pp. 410–415].10.1134/S1061830909060072 ↗
5. Ilgamov, M.A., Diagnostics of Damage of a Vertical Bar, Trudy Inst. Mekhaniki UNTs RAN (Proc. of Inst. of Mechanics, Ural Research Center, Russ. Acad. Of Sciences), Ufa: Gilem, 2007, pp. 201–211.
6. Akhatov, I.Sh. and Akhtyamov, A.M., Determining the Type of Rod Fastening by the Eigenfrequencies of Its Bending Vibrations, Prikl. Matem. Mekhan., 2001, vol. 65, no. 2, pp. 290–298.
7. Akhtyamov, A.M. and Mouftakhov, A.V., Identification of Boundary Conditions Using Natural Frequencies, Inv. Probl. Sci. Engin., 2004, vol. 12, no. 4, pp. 393–408.10.1080/10682760310001626786 ↗
8. Akhtyamov, A.M., Teoriya identifikatsii kraevykh uslovii i ee prilozheniya (Theory of Identification of Boundary Conditions and Its Applications), Moscow: Fizmatlit, 2009.
9. Akhtyamov, A.M. and Ayupova, A.R., Diagnostics of a Cavity in a Rod using the Negative Mass Method, Defektoskopiya, 2010, no. 5, pp. 29–35 [Rus. J. Nondestr. Test. (Engl. Transl.), 2010, vol. 46, no. 5, pp. 310–315].10.1134/S1061830910050049 ↗
10. Vatulyan, A.O. and Soluyanov, N.O., Ob Opredelenii Mestopolozheniya I Razmera Polosti V Uprugom Sterzhne. Defektoskopiya, 2005, no. 9, pp. 44–56 [Rus. J. Nondestr. Test. (Engl. Transl.), 2005, vol. 41, no. 9, pp. 604–614].
11. Bocharova, O.V., Vatulyan, A.O., and Zharkov, R.S., Reconstruction of a Cavity in an Elastic Rod, Izv. Vuzov. Sev.-Kavk. Regiona. Estestv. Nauki, 2006, no. 2, pp. 28–32.
12. Vibratsii v tekhnike: Spravochnik. V 6 t. T. 1. Kolebaniya lineinykh sistem (Vibrations in Technology: Handbook in 6 vols. Vibrations of Linear Systems) Chelomei, V.N. and Bolotin, V.V., Eds., Moscow: Mashinostroenie, 1978, vol. 1.
13. Prochnost’, ustoichivost’, kolebaniya: Spravochnik. V 3 t. T. 3 (Strength, Stability, Vibrations; Handbook in 3 vols.) Birger, I.A. and Panovko, Ya.G., Eds., Moscow: Mashinostroenie, 1968, vol. 3, pp. 294–301.
14. Morassi, A. and Dilena, M., On Point Mass Identification in Rods and Beams from Minimal Frequency Measurements, Inverse Problems in Engineering, 2002, vol. 10, no. 3, pp. 183–201.10.1080/10682760290010378 ↗