V.T.Grinchenko, N.S.Gorodetskaya
A resonance on the non-propagating waves at bending vibration of a half-strip

Acoustic bulletin, Vol. 13 ¹ 4, (2010) p.15-22
The paper deals with analyzing of specifics of resonant behavior of non-propagating waves for antisymmetric vibration of a half-strip with free lateral surfaces and free edge at changing of the Poisson's ratio. The resonant increasing of the amplitude of the first non-propagating wave has been found in frequency range where two propagating modes exist. After crossing of resonant frequency, the phase of a complex amplitude of the first non-propagating wave changes its sign. The resonant behavior of the first non-propagating wave is observed not for all Poisson's ratios.
KEY WORDS:
elactic half-strip, non-propagating waves, edge resonance, Poisson’s ratio
TEXT LANGUAGE: Russian