A. M. Akhtyamov, E. V. Salyakhova, “Diagnosing cavity in the rod”, Zhurnal SVMO, 2011, Volume 13, Number 2,Pages <nobr>47

Diagnosing cavity in the rod

A. M. Akhtyamov^a, E. V. Salyakhova^b

^a Institute of Mechanics, Ufa Centre of the Russian Academy of Sciences
^b Ufa State Aviation Technical University

Abstract: The article deals with diagnosing the location and size of the local cavity in the rod on the natural frequencies of its flexural vibrations. For cavity identification two spectra of flexural vibrations (around different axes) are suggested to use.

Keywords: beam, natural frequencies, diagnostics.

UDC: 519.6

Received: 24.06.2011