Geodesic
Calculated and experimental analysis of natural frequencies and elements frame for tram car
Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematika, mehanika, fizika, Tome 6 (2014) no. 2, pp. 29-34 Cet article a éte moissonné depuis la source Math-Net.Ru

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Method for evaluation of the stiffness of the frame body for tram car is shown with experimentally determination of the spectrum of its natural frequencies. The application of this method to determine changes in the stiffness of frame is estimated at poor welded seam.
Keywords: stiffness control, weld connection, metal frame, roof of a tram car, natural frequencies, experimental modal analysis. 
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     title = {Calculated and experimental analysis of natural frequencies and elements frame for tram car},
     journal = {Vestnik \^U\v{z}no-Uralʹskogo gosudarstvennogo universiteta. Seri\^a, Matematika, mehanika, fizika},
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P. A. Taranenko; V. N. Shahrinov; O. A. Kudryavtsev; D. A. Kolkotin; S. A. Khrulev; A. V. Erpalov. Calculated and experimental analysis of natural frequencies and elements frame for tram car. Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematika, mehanika, fizika, Tome 6 (2014) no. 2, pp. 29-34. http://geodesic.mathdoc.fr/item/VYURM_2014_6_2_a4/

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[2] Frolov K. V., Mechanical engineering, Encyclopedia in 40 volumes, v. 2, Dynamics and strength of machines. Theory of mechanisms and machines, Mashinostroenie Publ., M., 1995, 624 pp. (in Russ.)